NPPES file of Aug 9, 2026

Aaron M. Levy, MD

Gastroenterology Physician · Vallejo, CA

Aaron M. Levy, MD is a gastroenterology physician with a practice address in Vallejo, California, and NPI 1891873790, issued on Nov 1, 2006. Check the license (California G68797, 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
1891873790
Name
Aaron M. Levy
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
G68797 CA
Self-reported in NPPES; status is on the state search
Practice location
975 Sereno Dr, Vallejo, CA 94589
Phone
(707) 651-1000
Enumerated
Nov 1, 2006
Record last updated
Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00G687970 CA
Medicare enrollment
Enrolled (PECOS I20101115001200); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 1988
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 Aaron M. Levy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G68797
    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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35% fewer Medicare Part D claims than the average gastroenterology physician in 2024

531 Medicare Part D claims for 308 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Aaron Levy531
  2. Specialty average811

Most prescribed

  1. Gavilyte-C230 claims
  2. Pantoprazole Sodium54 claims
  3. Mesalamine31 claims
  4. Budesonide Dr29 claims
  5. Cholestyramine27 claims
  6. Famotidine24 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 IncVacaville, CA

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

Aaron M. Levy among 2,140 gastroenterology physician records in California

Aaron M. Levy, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% 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, 48% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1988 · median 2002 among the 1,538 with a school on file
  • Record last updated2021 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Thomas Cuff, MDVallejo, CA 945891538247101
  2. Marcus Juan Esteban, M.D.Vallejo, CA 945891922455864
  3. Ralston Martin, MDVallejo, CA 945891942388780
  4. Pauline Mysliwiec, MDVallejo, CA 945891588716708
  5. Ryan Nock, MDVallejo, CA 945891346773751
  6. Arun Suryaprasad, MDVallejo, CA 945891396897518
  7. Jeffrey Wei, MDVallejo, CA 945891023196508
  8. James Lin, M.D.Pleasanton, CA 945881396864872

Common questions

What is Aaron M. Levy, MD's NPI number?

Aaron M. Levy, MD's National Provider Identifier (NPI) is 1891873790, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Aaron M. Levy, MD located?

The NPPES record lists a practice address at 975 Sereno Dr, Vallejo, CA, 94589. Phone: (707) 651-1000. Providers update this record themselves, so call before visiting.

How can I verify Aaron M. Levy, MD's license?

NPPES lists California license number G68797, 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 Aaron M. Levy, MD prescribe under Medicare Part D?

In 2024, Aaron M. Levy, MD had 531 Medicare Part D claims for 308 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.