NPPES file of Aug 9, 2026

Huma Javed Ahmad, D.O.

Hospitalist Physician · Vacaville, CA

Huma Javed Ahmad, D.O. is a hospitalist physician with a practice address in Vacaville, California, and NPI 1154587616, issued on Aug 4, 2008. Check the license (California 20A 10652, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1154587616
Name
Huma Javed Ahmad
Credential
D.O.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
20A 10652 CA
Self-reported in NPPES; status is on the state search
Practice location
1 Quality Dr, Vacaville, CA 95688
Phone
(707) 624-1266
Enumerated
Aug 4, 2008
Record last updated
Feb 11, 2022
Medicare enrollment
Enrolled (PECOS I20091208000474); accepts Medicare assignment
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 1 Quality Dr

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

  1. Hydee Abaya Ghazaleh, M.D.Internal Medicine Physician1922688464
  2. Jonathan Abaya Ghazaleh, MDInternal Medicine Physician1093395535
  3. Azim Ahmady, MDFamily Medicine Physician1417035916
  4. Lamia Alazzawi, PHARM.D.Pharmacist1407380645
  5. Delaine Alejandro, DOFamily Medicine Physician1487816294
  6. Mina AnPharmacist1427294388

Verify Huma Javed Ahmad in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A 10652
    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.

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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).

Huma Javed Ahmad among 3,099 hospitalist physician records in California

Huma Javed Ahmad, D.O. is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 34% of them.

  • NPI issued2008 · 34% of these records are older, 61% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2006 · median 2010 among the 2,505 with a school on file
  • Record last updated2022 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in California

There are 3,099 hospitalist physician records in California.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Jocelyn Gonzalez LopezVacaville, CA 956881720780034
  2. Michelle Lim, D.O.Vacaville, CA 956881679916563
  3. Hassib Wali, M.D.Vacaville, CA 956881821222878
  4. Amr Abdelaty, MDWoodland, CA 956951962996348
  5. Manpreet Brar, M.D.Woodland, CA 956951730287905
  6. Maha Imran, MDWoodland, CA 956951770063554
  7. Philip Laughlin, MDWoodland, CA 956951386680379
  8. Maria Lewis, MDWoodland, CA 956951952338501

Common questions

What is Huma Javed Ahmad, D.O.'s NPI number?

Huma Javed Ahmad, D.O.'s National Provider Identifier (NPI) is 1154587616, issued on Aug 4, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Huma Javed Ahmad, D.O. located?

The NPPES record lists a practice address at 1 Quality Dr, Vacaville, CA, 95688. Phone: (707) 624-1266. Providers update this record themselves, so call before visiting.

How can I verify Huma Javed Ahmad, D.O.'s license?

NPPES lists California license number 20A 10652, 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.

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.