NPPES file of Aug 9, 2026

Maryam Sharif-Hassanabadi, M.D.

Nephrology Physician · Vallejo, CA

Maryam Sharif-Hassanabadi, M.D. is a nephrology physician with a practice address in Vallejo, California, and NPI 1811287394, issued on Apr 18, 2011. Check the license (California A116460, 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
1811287394
Name
Maryam Sharif-Hassanabadi
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
A116460 CA
Self-reported in NPPES; status is on the state search
Practice location
975 Sereno Dr, Vallejo, CA 94589
Phone
(707) 651-2570
Enumerated
Apr 18, 2011
Record last updated
Sep 16, 2023
Medicare enrollment
Enrolled (PECOS I20221020002634); 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.
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Also registered at 975 Sereno Dr

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

  1. Joel Aandahl, NPAdult Health Nurse Practitioner1891423653
  2. Noman Absar, MDCritical Care Medicine (Internal Medicine) Physician1205908951
  3. Anthony Acquaviva, MDUrology Physician1457439283
  4. Jhonnard James Acuna, CRNACertified Registered Nurse Anesthetist1205997327
  5. Omid AfshariPharmacist1184165391
  6. Eesha AftabStudent in an Organized Health Care Education/Training Program1770421687

Verify Maryam Sharif-Hassanabadi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A116460
    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

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17% fewer Medicare Part D claims than the average nephrology physician in 2024

1,210 Medicare Part D claims for 294 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Maryam Sharif-Hassanabadi1,210
  2. Specialty average1,465

Most prescribed

  1. Calcitriol184 claims
  2. Jardiance90 claims
  3. Furosemide82 claims
  4. Amlodipine Besylate77 claims
  5. Sevelamer Carbonate70 claims
  6. Losartan Potassium65 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

  1. Permanente Medical Group IncVallejo, CA

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

Maryam Sharif-Hassanabadi among 1,468 nephrology physician records in California

Maryam Sharif-Hassanabadi, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 76% of them.

  • NPI issued2011 · 76% of these records are older, 20% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2002 · median 2001 among the 1,128 with a school on file
  • Record last updated2023 · 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 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in California

There are 1,468 nephrology physician records in California.

The 8 nephrology physician records with the nearest ZIP codes

  1. Waseem Ahmad, MDVallejo, CA 945891366520108
  2. Hashem Dajani, MDVallejo, CA 945891174601918
  3. Julia Krasner, MDVallejo, CA 945891225116056
  4. Maung Myint, MDVallejo, CA 945891841378676
  5. Kar Own, MDVallejo, CA 945891558449454
  6. Keyur Patel, MDVallejo, CA 945891942388772
  7. Caitlin Richardson-Royer, M.D.Vallejo, CA 945891922351881
  8. Eric Lai, M.D.Pleasanton, CA 945881942592522

Common questions

What is Maryam Sharif-Hassanabadi, M.D.'s NPI number?

Maryam Sharif-Hassanabadi, M.D.'s National Provider Identifier (NPI) is 1811287394, issued on Apr 18, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Maryam Sharif-Hassanabadi, M.D. located?

The NPPES record lists a practice address at 975 Sereno Dr, Vallejo, CA, 94589. Phone: (707) 651-2570. Providers update this record themselves, so call before visiting.

How can I verify Maryam Sharif-Hassanabadi, M.D.'s license?

NPPES lists California license number A116460, 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 Maryam Sharif-Hassanabadi, M.D. prescribe under Medicare Part D?

In 2024, Maryam Sharif-Hassanabadi, M.D. had 1,210 Medicare Part D claims for 294 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.