NPPES file of Aug 9, 2026

Aboo Nasar, M.D.

Geriatric Medicine (Internal Medicine) Physician · San Diego, CA

Aboo Nasar, M.D. is a geriatric medicine (internal medicine) physician with a practice address in San Diego, California, and NPI 1871533380, issued on Jun 7, 2006. Check the license (California C51954, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871533380
Name
Aboo Nasar
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
C51954 CA
Self-reported in NPPES; status is on the state search
Practice location
2810 Camino Del Rio S, San Diego, CA 92108
Phone
(858) 385-1419
Enumerated
Jun 7, 2006
Record last updated
Sep 4, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(858) 461-6008
Medicare enrollment
Enrolled (PECOS I20060317000550); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →

Also registered at 2810 Camino Del Rio S

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Gregory Antkowiak, MDGeriatric Medicine (Internal Medicine) Physician1154307775
  2. Steven BohnaCounselor1336093798
  3. Jason Keri, MDGeriatric Psychiatry Physician1811915812
  4. Richard Nguyen, M.D.Geriatric Medicine (Internal Medicine) Physician1275724361

Verify Aboo Nasar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C51954    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

71% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

1,239 Medicare Part D claims for 195 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.

  1. Aboo Nasar1,239
  2. Specialty average4,246

Most prescribed

  1. Atorvastatin Calcium53 claims
  2. Levothyroxine Sodium50 claims
  3. Furosemide49 claims
  4. Gabapentin45 claims
  5. Sertraline Hcl45 claims
  6. Pantoprazole Sodium40 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 3 group practices

  1. Brenton D. Wynn, MD IncNational City, CA
  2. Del Sur HealthcareEl Cajon, CA
  3. Talami Health And Wellness IncEl Cajon, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Aboo Nasar among 532 geriatric medicine (internal medicine) physician records in California

Aboo Nasar, M.D. is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 46% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated1996 · median 1999 among the 271 with a school on file
  • Record last updated2014 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in California

There are 532 geriatric medicine (internal medicine) physician records in California.

All 532 in California → Every provider in San Diego → Geriatric Medicine (Internal Medicine) Physician nationwide →

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Pouya Afshar, M.D.San Diego, CA 921081184958977
  2. Gregory Antkowiak, MDSan Diego, CA 921081154307775
  3. Cary Bayne, MDSan Diego, CA 921081366463218
  4. Eric Emont, M.D.San Diego, CA 921081376626754
  5. Winston Mina, MDSan Diego, CA 921081174582001
  6. Richard Nguyen, M.D.San Diego, CA 921081275724361
  7. Danilo Tan, M.D.San Diego, CA 921081073648200
  8. Derek Hauser, D.O.San Diego, CA 921101093961757

Common questions

What is Aboo Nasar, M.D.'s NPI number?

Aboo Nasar, M.D.'s National Provider Identifier (NPI) is 1871533380, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Aboo Nasar, M.D. located?

The NPPES record lists a practice address at 2810 Camino Del Rio S, San Diego, CA, 92108. Phone: (858) 385-1419. Providers update this record themselves, so call before visiting.

How can I verify Aboo Nasar, M.D.'s license?

NPPES lists California license number C51954, 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 Aboo Nasar, M.D. prescribe under Medicare Part D?

In 2024, Aboo Nasar, M.D. had 1,239 Medicare Part D claims for 195 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.