James Mar, DO
Internal Medicine Physician · Sierra Vista, AZ
James Mar, DO is an internal medicine physician with a practice address in Sierra Vista, Arizona, and NPI 1982267449, issued on Apr 19, 2019. Check the license (Arizona 009700, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- James Mar
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 009700 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 5700 AZ-90, Sierra Vista, AZ 85635
- Phone
- (520) 263-2000
- Enumerated
- Apr 19, 2019
- Record last updated
- Sep 7, 2022
- Medicare enrollment
- Enrolled (PECOS I20221124000030); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2018
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 5700 AZ-90
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Mar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 009700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
74 Medicare Part D claims for 33 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $128.29
2 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Providence Healthcare Partners IncRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Mar among 2,853 internal medicine physician records in Arizona
James Mar, DO is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 79% of them.
- NPI issued2019 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2018 · median 2003 among the 1,643 with a school on file
- Record last updated2022 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 internal medicine physician records list a practice address in Sierra Vista
They are 45 of the 801 NPPES records with a practice address in Sierra Vista, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Sierra Vista → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Archana Bansal, M.D.Sierra Vista, AZ 856351881663615
- Eduardo Brown, M.D.Sierra Vista, AZ 856351376584359
- Seyed Sohail Habibi Pasdar, M.D.Sierra Vista, AZ 856351205241270
- John Herrod, MDSierra Vista, AZ 856351821022484
- Mohammad Hudeeb, M.D.Sierra Vista, AZ 856351164863569
- Nusrum Iqbal, MDSierra Vista, AZ 856351538191929
- James Keane, D.O.Sierra Vista, AZ 856351740442201
- David Knapp, M.D.Sierra Vista, AZ 856351376735613
Common questions
What is James Mar, DO's NPI number?
James Mar, DO's National Provider Identifier (NPI) is 1982267449, issued on Apr 19, 2019. An NPI identifies a provider in billing; it is not a license.
Where is James Mar, DO located?
The NPPES record lists a practice address at 5700 AZ-90, Sierra Vista, AZ, 85635. Phone: (520) 263-2000. Providers update this record themselves, so call before visiting.
How can I verify James Mar, DO's license?
NPPES lists Arizona license number 009700, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James Mar, DO prescribe under Medicare Part D?
In 2024, James Mar, DO had 74 Medicare Part D claims for 33 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.