Dr. Loren K. Mell, MD

  • San Diego, CA
  • Radiation oncologist
NPI1316119704PAC ID1557438041
Medicare services, 2024
1,533
Medicare patients, 2024
225
Part D claims, 2024
98
Publications
209
Clinical trials
18
Practice address
200 W Arbor Dr, San Diego, CA 92103
Practice phone
Call (619) 543-6222
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

UCSD Hillcrest Medical Center

San Diego, California

See all 6 affiliations

Find Dr. Mell's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Loren K. Mell is a radiation oncologist in San Diego, California

Dr. Mell practices at UCSD Hillcrest Medical Center in San Diego, California.

Dr. Mell's NPI, 1316119704, was assigned on March 26, 2008. Dr. Mell graduated from Pritzker School of Medicine in 2003. Dr. Mell holds California license A104704.

NPI and contact details
Medicare PAC ID
1557438041
NPI enumeration date
March 26, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(619) 543-6222
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
49
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Loren K. Mell practices at UCSD Hillcrest Medical Center in San Diego, California

Dr. Mell's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.

  • UCSD Hillcrest Medical Center
    200 W Arbor Dr, San Diego, CA 92103 · San Diego CountyPhone(619) 543-6222

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Loren K. Mell is affiliated with 2 sites of care and 4 medical groups

Dr. Mell's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Mell is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health. Dmand AI also links Dr. Mell to 3 more medical groups, each named with a free account.

See all 6 affiliations for Dr. Mell

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Loren K. Mell's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mell practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCSD Hillcrest Medical CenterAvailable with a free account
+1 more site and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Mell practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Loren K. Mell is one of 685 radiation oncologists in California

Radiation oncology is Dr. Mell's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Mell is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Mell's licenses on file in 2 states: California and Illinois.

Specialties and state licenses

  • Radiation oncology, CaliforniaPrimaryLicense A104704 · 2008 to 2026 · taxonomy 2085R0001X
  • Illinois license2003 to 2008

Clinical focus

Dmand AI lists bladder cancer radiation, breast cancer radiation and head & neck cancer radiation among the conditions Dr. Mell treats.

Radiation oncologists near Dr. Mell

Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Loren K. Mell billed Medicare for 1,533 services in 2024

CMS data shows 1,533 Medicare services from Dr. Mell across 19 procedure codes in 2024, for 225 Medicare patients. Medicare paid $134,861 for them.

Medicare services, 20241,533
Medicare patients225
Paid by Medicare$134,861
Procedure codes19

Dr. Mell's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Imaging
2023: 1,0902024: 1,1637%
Other services
2023: 1132024: 16243%
Office and hospital visits
2023: 1502024: 1532%
Surgery
2023: 562024: 552%

Where Dr. Mell's Medicare services took place, 2024

  • In an office16511%
  • In a facility1,36889%

Dr. Mell compared with the California median for radiation oncologists, 2024

  • Dr. Mell
  • California median
Medicare services
1,533vs 1,4446% above
Medicare patients
225vs 16437% above
Part D claims
77vs 322.4 times

Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.

Dr. Mell's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Mell

Need commercial claims for Dr. Mell?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mell and other radiation oncologists in California.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Loren K. Mell treated 225 Medicare patients in 2024, average age 75

CMS counts 225 Medicare patients who saw Dr. Mell in 2024. The largest group is 65 to 74, with 109 patients. 71% of them have high blood pressure, and 68% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.04, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Mell's median patient age at 65, with 46% women.

Medicare patients, 2024225
Average age75
Average risk score2.04
Also on Medicaid28%

Dr. Mell's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Mell's Medicare patients by sex, 2024

  • Women7232%
  • Men15368%

Chronic conditions among Dr. Mell's Medicare patients, 2024

  1. High blood pressure71%
  2. High cholesterol68%
  3. Cancer48%
  4. Arthritis42%
  5. Ischemic heart disease33%
  6. Anxiety26%
  7. Mood disorders26%
  8. Chronic kidney disease24%

Share of Medicare patients with each condition. A patient can have several.

Dr. Mell's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women46%
  • Men53%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Loren K. Mell wrote 98 Medicare Part D claims in 2024

In 2024, Dr. Mell wrote 98 Medicare Part D claims for 50 patients. 91% of them were for generic drugs. CMS names the drug for 77 of them, across 3 drugs with 11 or more claims each, at $3,415 in total drug cost. In 2023, CMS named 45 claims across 3 drugs.

Part D claims, 202498
Drugs named by CMS3
Total drug cost$3,415
Part D patients50

Dr. Mell's Part D claims by kind of drug, 2024

  • Generic89 claims91%
  • Brand-name and other9 claims9%

Dr. Mell's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 452024: 7771%

Drugs named by CMS: 3 in 2024, 3 in 2023.

See all prescribing by Dr. Mell

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Loren K. Mell scored 91 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Mell for performance year 2024, reported as part of a group. Dr. Mell accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mell as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Mell's MIPS scores, performance year 2024

  • 91of 100Final score
  • 84.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find radiation oncologists like Dr. Mell by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Loren K. Mell has 209 publications on record

Dmand AI links 209 papers to Dr. Mell, published from 2006 to 2025. 2021 was the busiest year, with 19. The most frequent topics are Head and Neck Neoplasms, Uterine Cervical Neoplasms and Radiotherapy, Intensity-Modulated. Dr. Mell has published most often in Int J Radiat Oncol Biol Phys. Dr. Mell's most frequent co-authors are Catheryn M. Yashar, MD, Brent Shane Rose, MD and Quynh-Thu Xuan Le, MD.

Papers209
Years published2006 to 2025

Dr. Mell's papers by year, 2016 to 2025

Topics Dr. Mell writes about most

  • Head and Neck Neoplasms
  • Uterine Cervical Neoplasms
  • Radiotherapy, Intensity-Modulated
  • Radiotherapy Dosage
  • Radiotherapy Planning, Computer-Assisted
  • Chemoradiotherapy
  • Cisplatin
  • Carcinoma, Squamous Cell

Dr. Mell's most frequent co-authors

Recent publications by Dr. Mell

See all 209 publications and co-authors

See who Dr. Mell researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mell works with, so you can find a warm path to the right radiation oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Loren K. Mell has worked on 18 clinical trials

Dmand AI links Dr. Mell to 18 clinical trials, 6 of them phase 2 studies. 11 are still active or recruiting. Conditions studied include Hypopharyngeal Neoplasms, Prostatic Neoplasms and Uterine Cervical Neoplasms. National Cancer Institute (NCI) sponsors the most, 5.

Clinical trials with Dr. Mell by phase

  1. 3Phase 1: 3 trials
  2. 6Phase 2: 6 trials
  3. 3Phase 2/3: 3 trials
  4. 6Phase 3: 6 trials
  5. NonePhase 4: no trials

Conditions in Dr. Mell's trials

  • Hypopharyngeal Neoplasms
  • Prostatic Neoplasms
  • Uterine Cervical Neoplasms
  • Prostatic Diseases
  • Uterine Cervical Diseases

Investigators on the most trials with Dr. Mell

Recent clinical trials with Dr. Mell

See all 18 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Loren K. Mell received $59,721 in industry payments from 2016 to 2025

CMS Open Payments shows 84 general payments to Dr. Mell from 10 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 48% of the total. Varian Medical Systems, Inc. paid the most, $16,033.

General payments to Dr. Mell by program year, 2016 to 2025

General payments to Dr. Mell by kind, 2016 to 2025

$59.7Kin total
  • Consulting fees$28,85048%
  • Travel and lodging$20,73335%
  • Honoraria$8,00013%
  • Food and beverage$2,1334%
  • Speaker and faculty fees$50%

Companies that paid Dr. Mell the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Mell

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Loren K. Mell graduated from Pritzker School of Medicine

Dr. Mell graduated from Pritzker School of Medicine in 2003. Dr. Mell is a member of ASCO.

  1. Medical schoolPritzker School of Medicine
  2. Board certified in radiation oncologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Loren K. Mell accepts plans from 16 insurance carriers

Dr. Mell is in network with 16 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Humana
  • Blue Cross Blue Shield of Massachusetts
  • Excellus BlueCross BlueShield
  • +8 more carriersWith a free account

Plan types Dr. Mell accepts, by number of carriers

  1. PPO11
  2. Medicare10
  3. HMO8
  4. EPO5
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Loren K. Mell's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Loren K. Mell

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Loren K. Mell's NPI number?

Dr. Loren K. Mell's NPI number is 1316119704. It was assigned on March 26, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Loren K. Mell?

Dr. Loren K. Mell is a radiation oncologist in San Diego, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Loren K. Mell practice?

Dr. Mell practices at 200 W Arbor Dr, San Diego, CA 92103. Dr. Mell's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dmand AI also links Dr. Mell to 3 medical groups.

What is Dr. Loren K. Mell's office phone number?

The practice phone on file for Dr. Mell is (619) 543-6222.

What is Dr. Loren K. Mell's medical license number?

Dr. Mell holds California license A104704, one of the licenses on file in 2 states.

Which states has Dr. Loren K. Mell been licensed in?

Dmand AI has state licenses on file for Dr. Mell in California (2008 to 2026) and Illinois (2003 to 2008).

Which hospitals is Dr. Loren K. Mell affiliated with?

Dr. Mell is affiliated with Hillcrest Medical Center.

What medical group is Dr. Loren K. Mell part of?

Dr. Mell is linked to UC San Diego Health. Dmand AI links Dr. Mell to 3 more medical groups.

Does Dr. Loren K. Mell accept Medicare?

Yes. CMS data shows Dr. Mell billed Medicare for 1,533 services in 2024, and Dr. Mell accepts Medicare assignment.

Does Dr. Loren K. Mell offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Mell as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Loren K. Mell's MIPS score?

Dr. Mell's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.

How many Medicare patients does Dr. Loren K. Mell see?

CMS counts 225 Medicare patients who saw Dr. Mell in 2024, with an average age of 75.

Is Dr. Loren K. Mell board certified?

Yes. Dr. Mell is board certified in radiation oncology by the American Board of Radiology.

What services does Dr. Loren K. Mell bill to Medicare?

In 2024, Dr. Mell's most billed Medicare services were radiation oncology (77014), radiation oncology (77427) and radiation oncology (77300).

Where did Dr. Loren K. Mell go to medical school?

Dr. Mell graduated from Pritzker School of Medicine in 2003.

What drugs does Dr. Loren K. Mell prescribe most?

In 2024 Medicare Part D data, Dr. Mell's most prescribed drugs by claims were Mometasone Furoate, Pilocarpine HCl and Lidocaine HCl Viscous.

Has Dr. Loren K. Mell received payments from drug or device companies?

CMS Open Payments shows $59,721 in general payments to Dr. Mell from 10 companies from 2016 to 2025. The largest total came from Varian Medical Systems, Inc.

How long has Dr. Loren K. Mell been practicing?

Dr. Mell graduated from medical school in 2003, 23 years ago.

Does Dr. Loren K. Mell do research?

Dmand AI links 209 publications to Dr. Mell, published from 2006 to 2025. Dr. Mell has worked on 18 clinical trials.

Who does Dr. Loren K. Mell publish with?

Dr. Mell's most frequent co-authors are Catheryn M. Yashar, MD (34 shared papers), Brent Shane Rose, MD (24 shared papers) and Quynh-Thu Xuan Le, MD (23 shared papers).

What insurance does Dr. Loren K. Mell accept?

Dr. Mell is in network with 16 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Selling to radiation oncology practices?

See radiation oncologists in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)