Dr. James K. Mangan, MD

  • San Diego, CA
  • Hematologist and oncologist
NPI1720107121PAC ID2365610698
Medicare services, 2024
616
Medicare patients, 2024
132
Part D claims, 2024
1,225
Publications
36
Clinical trials
2
Practice address
200 W Arbor Dr, San Diego, CA 92103
Practice phone
Call (619) 543-6222
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCSD Hillcrest Medical Center

San Diego, California

See all 4 affiliations

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Dr. James K. Mangan is a hematologist and oncologist in San Diego, California

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

Dr. Mangan's NPI, 1720107121, was assigned on March 28, 2007. Dr. Mangan graduated from Lewis Katz School of Medicine in 2005. Dr. Mangan holds California license C163310.

NPI and contact details
Medicare PAC ID
2365610698
NPI enumeration date
March 28, 2007
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
47
Medical school graduation
2005

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

Dr. James K. Mangan practices at UCSD Hillcrest Medical Center in San Diego, California

Dr. Mangan'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. James K. Mangan is affiliated with 2 sites of care and 2 medical groups

Dr. Mangan's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Mangan is also affiliated with Hillcrest Medical Center. The medical group on file is Penn Medicine Lancaster General Health. Dmand AI also links Dr. Mangan to 1 more medical group, named with a free account.

See all 4 affiliations for Dr. Mangan

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. James K. Mangan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mangan 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 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. James K. Mangan is one of 1,502 hematologists and oncologists in California

Hematology and oncology is Dr. Mangan's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Mangan is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Mangan's licenses on file in 3 states: California, Pennsylvania and Michigan.

Specialties and state licenses

  • Hematology and oncology, CaliforniaPrimaryLicense C163310 · 2019 to 2027 · taxonomy 207RH0003X
  • Pennsylvania license2008 to 2021
  • Michigan license2005 to 2011

Clinical focus

Dmand AI lists chronic anemia, chronic leukemia, colorectal cancer, lymphoma and multiple myeloma among the conditions Dr. Mangan treats.

Hematologists and oncologists near Dr. Mangan

Counts of hematologists and 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. James K. Mangan billed Medicare for 616 services in 2024

CMS data shows 616 Medicare services from Dr. Mangan across 4 procedure codes in 2024, for 132 Medicare patients. Medicare paid $61,554 for them.

Medicare services, 2024616
Medicare patients132
Paid by Medicare$61,554
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 5952024: 6164%

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

  • In an office549%
  • In a facility56291%

Dr. Mangan compared with the California median for hematologists and oncologists, 2024

  • Dr. Mangan
  • California median
Medicare services
616vs 93234% below
Medicare patients
132vs 22541% below
Part D claims
885vs 3942.2 times

Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.

Dr. Mangan'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. Mangan

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

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

Dr. James K. Mangan treated 132 Medicare patients in 2024, average age 71

CMS counts 132 Medicare patients who saw Dr. Mangan in 2024. The largest group is 65 to 74, with 60 patients. 70% of them have high blood pressure, and 67% have high cholesterol. 32% are also on Medicaid. Their average risk score is 2.86, 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. Mangan's median patient age at 63, with 47% women.

Medicare patients, 2024132
Average age71
Average risk score2.86
Also on Medicaid32%

Dr. Mangan's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Mangan's Medicare patients by sex, 2024

  • Women4937%
  • Men8363%

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

  1. High blood pressure70%
  2. High cholesterol67%
  3. Arthritis38%
  4. Chronic kidney disease31%
  5. Diabetes30%
  6. Ischemic heart disease30%
  7. Anxiety28%
  8. Mood disorders28%

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

Dr. Mangan's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women47%
  • Men52%

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

Dr. James K. Mangan wrote 1,225 Medicare Part D claims in 2024

In 2024, Dr. Mangan wrote 1,225 Medicare Part D claims for 75 patients. 74% of them were for generic drugs. CMS names the drug for 885 of them, across 36 drugs with 11 or more claims each, at $2,832,423 in total drug cost. In 2023, CMS named 1,005 claims across 42 drugs.

Part D claims, 20241,225
Drugs named by CMS36
Total drug cost$2.8M
Part D patients75

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

  • Generic903 claims74%
  • Brand-name and other322 claims26%

Dr. Mangan'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.

Drug classes CMS tracks in Dr. Mangan's Part D claims, 2024

  • Opioids8%93 of 1,225 claims
  • Antibiotics7%90 of 1,225 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,0052024: 88512%

Drugs named by CMS: 36 in 2024, 42 in 2023.

See all prescribing by Dr. Mangan

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. James K. Mangan 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. Mangan for performance year 2024, reported as part of a group. Dr. Mangan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mangan as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Mangan'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

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Dr. James K. Mangan has 36 publications on record

Dmand AI links 36 papers to Dr. Mangan, published from 2004 to 2024. 2016 was the busiest year, with 4. The most frequent topics are Hematopoietic Stem Cell Transplantation, Graft vs Host Disease and Leukemia, Myeloid, Acute. Dr. Mangan has published most often in Leuk Lymphoma. Dr. Mangan's most frequent co-authors are Selina Luger, MD, Alison W. Loren, MD and Elizabeth O. Hexner, MD.

Papers36
Years published2004 to 2024

Dr. Mangan's papers by year, 2014 to 2024

Topics Dr. Mangan writes about most

  • Hematopoietic Stem Cell Transplantation
  • Graft vs Host Disease
  • Leukemia, Myeloid, Acute
  • Transplantation, Homologous
  • Hematologic Neoplasms
  • Transplantation Conditioning
  • Unrelated Donors
  • Cell Differentiation

Dr. Mangan's most frequent co-authors

Recent publications by Dr. Mangan

See all 36 publications and co-authors

See who Dr. Mangan researches with

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

How network discovery works

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

Dr. James K. Mangan has worked on 2 clinical trials

Dmand AI links Dr. Mangan to 2 clinical trials. Conditions studied include Preleukemia and Thrombocythemia, Essential.

Clinical trials with Dr. Mangan by phase

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

Conditions in Dr. Mangan's trials

  • Preleukemia
  • Thrombocythemia, Essential

Investigators on the most trials with Dr. Mangan

Recent clinical trials with Dr. Mangan

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

Dr. James K. Mangan received $67,455 in industry payments from 2016 to 2025

CMS Open Payments shows 82 general payments to Dr. Mangan from 18 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 42% of the total. Astellas Pharma US Inc paid the most, $21,746.

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

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

$67.5Kin total
  • Consulting fees$28,01242%
  • Speaker and faculty fees$17,72426%
  • Travel and lodging$9,15214%
  • Honoraria$7,79012%
  • Other$4,7777%

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

Share is of all general payments to this clinician.

See all payments to Dr. Mangan

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

Dr. James K. Mangan has 1 award and honors on record

Dmand AI lists 1 award for Dr. Mangan, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Mangan

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. James K. Mangan graduated from Lewis Katz School of Medicine

Dr. Mangan graduated from Lewis Katz School of Medicine in 2005. Dr. Mangan is a member of ASCO and ASH.

  1. Medical schoolLewis Katz School of Medicine
  2. Board certified in hematologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. James K. Mangan accepts plans from 15 insurance carriers

Dr. Mangan is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

Plan types Dr. Mangan accepts, by number of carriers

  1. Medicare8
  2. PPO8
  3. HMO6
  4. EPO5
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. James K. Mangan'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)
Awards and committee rolesDmand AI Professional Profile Data
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. James K. Mangan

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. James K. Mangan's NPI number?

Dr. James K. Mangan's NPI number is 1720107121. It was assigned on March 28, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. James K. Mangan?

Dr. James K. Mangan is a hematologist and oncologist in San Diego, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. James K. Mangan practice?

Dr. Mangan practices at 200 W Arbor Dr, San Diego, CA 92103. Dr. Mangan's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dmand AI also links Dr. Mangan to 1 medical group.

What is Dr. James K. Mangan's office phone number?

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

What is Dr. James K. Mangan's medical license number?

Dr. Mangan holds California license C163310, one of the licenses on file in 3 states.

Which states has Dr. James K. Mangan been licensed in?

Dmand AI has state licenses on file for Dr. Mangan in California (2019 to 2027), Pennsylvania (2008 to 2021) and Michigan (2005 to 2011).

Which hospitals is Dr. James K. Mangan affiliated with?

Dr. Mangan is affiliated with Hillcrest Medical Center.

What medical group is Dr. James K. Mangan part of?

Dr. Mangan is linked to Penn Medicine Lancaster General Health. Dmand AI links Dr. Mangan to 1 more medical group.

Does Dr. James K. Mangan accept Medicare?

Yes. CMS data shows Dr. Mangan billed Medicare for 616 services in 2024, and Dr. Mangan accepts Medicare assignment.

Does Dr. James K. Mangan offer telehealth?

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

Show 11 more questionsShow fewer questions

What is Dr. James K. Mangan's MIPS score?

Dr. Mangan'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. James K. Mangan see?

CMS counts 132 Medicare patients who saw Dr. Mangan in 2024, with an average age of 71.

Is Dr. James K. Mangan board certified?

Yes. Dr. Mangan is board certified in hematology by the American Board of Internal Medicine.

What services does Dr. James K. Mangan bill to Medicare?

In 2024, Dr. Mangan's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99215) and care management and other visits (99497).

Where did Dr. James K. Mangan go to medical school?

Dr. Mangan graduated from Lewis Katz School of Medicine in 2005.

What drugs does Dr. James K. Mangan prescribe most?

In 2024 Medicare Part D data, Dr. Mangan's most prescribed drugs by claims were Acyclovir, Oxycodone HCl and Jakafi.

Has Dr. James K. Mangan received payments from drug or device companies?

CMS Open Payments shows $67,455 in general payments to Dr. Mangan from 18 companies from 2016 to 2025. The largest total came from Astellas Pharma US Inc.

How long has Dr. James K. Mangan been practicing?

Dr. Mangan graduated from medical school in 2005, 21 years ago.

Does Dr. James K. Mangan do research?

Dmand AI links 36 publications to Dr. Mangan, published from 2004 to 2024. Dr. Mangan has worked on 2 clinical trials.

Who does Dr. James K. Mangan publish with?

Dr. Mangan's most frequent co-authors are Selina Luger, MD (17 shared papers), Alison W. Loren, MD (15 shared papers) and Elizabeth O. Hexner, MD (10 shared papers).

What insurance does Dr. James K. Mangan accept?

Dr. Mangan is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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