Arnold G. Markman, MD
Occupational Medicine Physician · San Diego, CA
Arnold G. Markman, MD is an occupational medicine physician with a practice address in San Diego, California, and NPI 1669520466, issued on Jan 8, 2007. Check the license (California G32833, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Arnold G. Markman
- Credential
- MD
- Primary taxonomy
- Occupational Medicine Physician 2083X0100X
- License number
- G32833 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4647 Zion Ave, San Diego, CA 92120
- Phone
- (619) 528-5000
- Enumerated
- Jan 8, 2007
- Record last updated
- Nov 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110103000577); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 1975
- Entity
- Type 1 · individual
8 nearest occupational medicine physician records → All 415 in California → Look up another NPI →
Also registered at 4647 Zion Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Arnold G. Markman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G32833Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average occupational medicine physician in 2024
420 Medicare Part D claims for 300 beneficiaries, against an average of 794 among the 463 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone59 claims
- Naproxen42 claims
- Amoxicillin-Clavulanate Potass35 claims
- Doxycycline Monohydrate27 claims
- Ofloxacin25 claims
- Cefpodoxime Proxetil24 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupSan Marcos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arnold G. Markman among 415 occupational medicine physician records in California
Arnold G. Markman, MD is one of 415 occupational medicine physician records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 43% of them.
- NPI issued2007 · 43% of these records are older, 31% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 12% of these records are
- Graduated1975 · median 1995 among the 51 with a school on file
- Record last updated2021 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083X0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Occupational Medicine Physician providers in California
There are 415 occupational medicine physician records in California.
All 415 in California → Every provider in San Diego → Occupational Medicine Physician nationwide →
The 8 occupational medicine physician records with the nearest ZIP codes
- Lydia Grypma, MDSan Diego, CA 921201235206160
- Lindy O'Leary, MDSan Diego, CA 921201831247808
- Antra Priede Berger, MDSan Diego, CA 921201356466866
- Thomas Wang, MDSan Diego, CA 921201649342122
- Ganna Breland, D.O.San Diego, CA 921211316141898
- Ashley Ennedy, DOSan Diego, CA 921211861908386
- Brian Hoang, PASan Diego, CA 921211073239646
- Daniel Rhodes, MDSan Diego, CA 921211780673012
Common questions
What is Arnold G. Markman, MD's NPI number?
Arnold G. Markman, MD's National Provider Identifier (NPI) is 1669520466, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Arnold G. Markman, MD located?
The NPPES record lists a practice address at 4647 Zion Ave, San Diego, CA, 92120. Phone: (619) 528-5000. Providers update this record themselves, so call before visiting.
How can I verify Arnold G. Markman, MD's license?
NPPES lists California license number G32833, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Arnold G. Markman, MD prescribe under Medicare Part D?
In 2024, Arnold G. Markman, MD had 420 Medicare Part D claims for 300 beneficiaries; the average among occupational medicine physician prescribers was 794. 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.