Elmera Peyman, DO
Internal Medicine Physician · Oceanside, CA
Elmera Peyman, DO is an internal medicine physician with a practice address in Oceanside, California, and NPI 1457093163, issued on Apr 12, 2022. Check the license (California 20A23917, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Elmera Peyman
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A23917 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4002 Vista Way, Oceanside, CA 92056
- Phone
- (760) 724-8411
- Enumerated
- Apr 12, 2022
- Record last updated
- Nov 21, 2025
- Medicare enrollment
- Enrolled (PECOS I20251108000697); accepts Medicare assignment
- Medical or professional school
- Pacific Nw Un Of Hs, Col Of Osteopathic Medicine, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 4002 Vista Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Alaynick, M.D.Emergency Medicine Physician1073507174
- Matthew Allen, PA-CMedical Physician Assistant1770963589
- David Antoun, MDInternal Medicine Physician1043573785
- Hermineh AraminCytopathology Physician1821451444
- Allison Auchter, MD, PHDEmergency Medical Services (Emergency Medicine) Physician1013595248
- Romana Bailey, M.D.Neonatal-Perinatal Medicine Physician1396023685
Verify Elmera Peyman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A23917Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
275 Medicare Part D claims for 47 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Atorvastatin Calcium26 claims
- Levothyroxine Sodium21 claims
- Losartan Potassium21 claims
- Amlodipine Besylate14 claims
- Metoprolol Succinate14 claims
- Omeprazole11 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
- Hospitalist Medicine Physicians OF California IncOceanside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elmera Peyman among 17,696 internal medicine physician records in California
Elmera Peyman, DO is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 95% of them.
- NPI issued2022 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2022 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 61% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Oceanside → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Antoun, MDOceanside, CA 920561043573785
- Nancy Chang, M.D.Oceanside, CA 920561386635621
- Paul Dang, MDOceanside, CA 920561801882592
- Richard Day, MDOceanside, CA 920561386716959
- Kaveh Farhoomand, DOOceanside, CA 920561447249040
- Catherine Lawson, M.D.Oceanside, CA 920561649279043
- Robert Lee, MDOceanside, CA 920561528081155
- Matthew Long, DO, MPHOceanside, CA 920561740863273
Common questions
What is Elmera Peyman, DO's NPI number?
Elmera Peyman, DO's National Provider Identifier (NPI) is 1457093163, issued on Apr 12, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Elmera Peyman, DO located?
The NPPES record lists a practice address at 4002 Vista Way, Oceanside, CA, 92056. Phone: (760) 724-8411. Providers update this record themselves, so call before visiting.
How can I verify Elmera Peyman, DO's license?
NPPES lists California license number 20A23917, 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 Elmera Peyman, DO prescribe under Medicare Part D?
In 2024, Elmera Peyman, DO had 275 Medicare Part D claims for 47 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.