Dr. Marcelle O. Mahan, MD

  • Anaheim, CA
  • General practice physician
NPI1245292085PAC ID6608824453
Medicare services, 2024
2,663
Medicare patients, 2024
517
Part D claims, 2024
7,144
Hospital affiliations
3
Industry payments
$932
Practice address
200 W Center Street Promenade, Anaheim, CA 92805
Practice phone
Call (657) 640-8090
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Providence at Home With Compassus Home Health Orange County

Home Health Agency - Main Office · Anaheim, California

See all 8 affiliations

Find Dr. Mahan'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. Marcelle O. Mahan is a general practice physician in Anaheim, California

Dr. Mahan practices at Providence at Home With Compassus Home Health Orange County in Anaheim, California.

Dr. Mahan's NPI, 1245292085, was assigned on April 5, 2006. Dr. Mahan graduated from Loma Linda University School Of Medicine in 1990. Dr. Mahan holds California license G078160.

NPI and contact details
Medicare PAC ID
6608824453
NPI enumeration date
April 5, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(657) 640-8090
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
62
Medical school graduation
1990

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

Dr. Marcelle O. Mahan practices at Providence at Home With Compassus Home Health Orange County in Anaheim, California

Dr. Mahan's primary practice is Providence at Home With Compassus Home Health Orange County, at 200 W Center Street Promenade, Anaheim, CA 92805. The practice phone is (657) 640-8090.

  • Providence at Home With Compassus Home Health Orange County
    200 W Center Street Promenade, Anaheim, CA 92805Phone(657) 640-8090

Source: Dmand AI Affiliation Data

Dr. Marcelle O. Mahan is affiliated with 7 sites of care and 1 medical group

Dr. Mahan's primary practice is Providence at Home With Compassus Home Health Orange County in Anaheim, California. Dr. Mahan is also affiliated with Providence Santa Rosa Memorial Hospital. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Dr. Mahan to 2 more hospitals, 1 physician office, 1 home health agency and 1 hospice, each named with a free account. Dr. Mahan's employer is on file too: a home health agency.

See all 8 affiliations for Dr. Mahan

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Marcelle O. Mahan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mahan practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Providence at Home With Compassus Home Health Orange CountyAvailable with a free account
+6 more affiliated sitesAvailable 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. Mahan 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. Marcelle O. Mahan is one of 1,526 general practice physicians in California

General practice is Dr. Mahan's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Mahan is licensed in California.

Specialties and state licenses

  • General practice, CaliforniaPrimaryLicense G71860 · 1991 to 2026 · taxonomy 208D00000X

Clinical focus

Dmand AI lists acid reflux, acute gastroduodenitis, acute sinusitis, acute skin infection, adjustment disease, alzheimer's disease, aneurysm and anxiety among the conditions Dr. Mahan treats.

General practice physicians near Dr. Mahan

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

1,526general practice physicians in California
9general practice physicians in Anaheim

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

Dr. Marcelle O. Mahan billed Medicare for 2,663 services in 2024

CMS data shows 2,663 Medicare services from Dr. Mahan across 20 procedure codes in 2024, for 517 Medicare patients. Medicare paid $174,201 for them. Every service was in an office.

Medicare services, 20242,663
Medicare patients517
Paid by Medicare$174,201
Procedure codes20

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

  • 2023
  • 2024
Office and hospital visits
2023: 1,6262024: 1,46910%
Other services
2023: 3602024: 875143%
Lab and pathology
2023: 02024: 131
Tests and treatments
2023: 2022024: 11742%
Surgery
2023: 742024: 714%
Drugs given in the office
2023: 242024: 0100%

Dr. Mahan compared with the California median for general practice physicians, 2024

  • Dr. Mahan
  • California median
Medicare services
2,663vs 26210.2 times
Medicare patients
517vs 1363.8 times
Part D claims
6,422vs 19233.4 times

Medians across 1,114 general practice physicians in California with Dmand AI profiles that report each measure.

Dr. Mahan'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. Mahan

Need commercial claims for Dr. Mahan?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mahan and other general practice physicians in California.

Book a meeting

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

Dr. Marcelle O. Mahan treated 517 Medicare patients in 2024, average age 75

CMS counts 517 Medicare patients who saw Dr. Mahan in 2024. The largest group is 65 to 74, with 227 patients. 64% of them have high cholesterol, and 61% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.00, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Mahan's median patient age at 72, with 72% women.

Medicare patients, 2024517
Average age75
Average risk score1.00
Also on Medicaid8%

Dr. Mahan's Medicare patients by age, 2024

Dr. Mahan's Medicare patients by sex, 2024

  • Women32763%
  • Men19037%

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

  1. High cholesterol64%
  2. High blood pressure61%
  3. Arthritis44%
  4. Diabetes23%
  5. Anxiety21%
  6. Mood disorders21%
  7. Atrial fibrillation19%
  8. Depression19%

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

Dr. Mahan's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women72%
  • Men28%

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

Dr. Marcelle O. Mahan wrote 7,144 Medicare Part D claims in 2024

In 2024, Dr. Mahan wrote 7,144 Medicare Part D claims for 535 patients. 87% of them were for generic drugs. CMS names the drug for 6,422 of them, across 132 drugs with 11 or more claims each, at $550,075 in total drug cost. In 2023, CMS named 5,855 claims across 129 drugs.

Part D claims, 20247,144
Drugs named by CMS132
Total drug cost$550,075
Part D patients535

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

  • Generic6,223 claims87%
  • Brand-name883 claims12%
  • Other38 claims1%

Dr. Mahan'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. Mahan's Part D claims, 2024

  • Opioids6%444 of 7,144 claims
  • Antibiotics2%169 of 7,144 claims
  • Antipsychotics, patients 65 and over1%59 of 7,144 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: 5,8552024: 6,42210%

Drugs named by CMS: 132 in 2024, 129 in 2023.

See all prescribing by Dr. Mahan

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. Marcelle O. Mahan ranks in the 70th percentile for removal of skin lesions in Medicare

Dr. Mahan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mahan as offering telehealth. CMS counts 38 procedures of removal of skin lesions by Dr. Mahan, more than 70% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Mahan ranks in Medicare procedure volume

Removal of skin lesions
70th percentile38 procedures
Removal or shaving of skin growth
66th percentile13 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find general practice physicians like Dr. Mahan 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. Marcelle O. Mahan received $932 in industry payments from 2016 to 2024

CMS Open Payments shows 34 general payments to Dr. Mahan from 12 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $430.

General payments to Dr. Mahan by program year, 2016 to 2024

Companies that paid Dr. Mahan the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Mahan

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

Dr. Marcelle O. Mahan has 1 award and honors on record

Dmand AI lists 1 award for Dr. Mahan, most recently CMS Stage 1 2012 in 2012.

Awards and honors for Dr. Mahan

  1. 2012
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Marcelle O. Mahan graduated from Loma Linda University School Of Medicine

Dr. Mahan graduated from Loma Linda University School Of Medicine in 1990.

  1. Medical schoolLoma Linda University School Of Medicine

Source: Dmand AI Professional Profile Data

Dr. Marcelle O. Mahan accepts plans from 12 insurance carriers

Dr. Mahan is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +4 more carriersWith a free account

Plan types Dr. Mahan accepts, by number of carriers

  1. Medicare8
  2. PPO8
  3. HMO6
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Marcelle O. Mahan'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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)Doctors and Clinicians Utilization Data (CMS) (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. Marcelle O. Mahan

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. Marcelle O. Mahan's NPI number?

Dr. Marcelle O. Mahan's NPI number is 1245292085. It was assigned on April 5, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Marcelle O. Mahan?

Dr. Marcelle O. Mahan is a general practice physician in Anaheim, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).

Where does Dr. Marcelle O. Mahan practice?

Dr. Mahan practices at 200 W Center Street Promenade, Anaheim, CA 92805. Dr. Mahan's primary practice is Providence at Home With Compassus Home Health Orange County in Anaheim, California. Dmand AI also links Dr. Mahan to 2 hospitals, 1 physician office, 1 home health agency and 1 hospice.

What is Dr. Marcelle O. Mahan's office phone number?

The practice phone on file for Dr. Mahan is (657) 640-8090.

What is Dr. Marcelle O. Mahan's medical license number?

Dr. Mahan holds California license G078160.

Which hospitals is Dr. Marcelle O. Mahan affiliated with?

Dr. Mahan is affiliated with Providence Santa Rosa Memorial Hospital. Dmand AI links Dr. Mahan to 2 more hospitals.

What medical group is Dr. Marcelle O. Mahan part of?

Dr. Mahan is linked to St. Jude Heritage Medical Group.

Does Dr. Marcelle O. Mahan accept Medicare?

Yes. CMS data shows Dr. Mahan billed Medicare for 2,663 services in 2024, and Dr. Mahan accepts Medicare assignment.

Does Dr. Marcelle O. Mahan offer telehealth?

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

How many Medicare patients does Dr. Marcelle O. Mahan see?

CMS counts 517 Medicare patients who saw Dr. Mahan in 2024, with an average age of 75.

Show 6 more questionsShow fewer questions

What services does Dr. Marcelle O. Mahan bill to Medicare?

In 2024, Dr. Mahan's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99213).

Where did Dr. Marcelle O. Mahan go to medical school?

Dr. Mahan graduated from Loma Linda University School Of Medicine in 1990.

What drugs does Dr. Marcelle O. Mahan prescribe most?

In 2024 Medicare Part D data, Dr. Mahan's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Levothyroxine Sodium.

Has Dr. Marcelle O. Mahan received payments from drug or device companies?

CMS Open Payments shows $932 in general payments to Dr. Mahan from 12 companies from 2016 to 2024. The largest total came from Pfizer Inc.

How long has Dr. Marcelle O. Mahan been practicing?

Dr. Mahan graduated from medical school in 1990, 36 years ago.

What insurance does Dr. Marcelle O. Mahan accept?

Dr. Mahan is in network with 12 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

Selling to general practice practices?

See general practice physicians 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)