NPPES file of Aug 9, 2026

Bilawal Mahmood, MD

Internal Medicine Physician · Sacramento, CA

Bilawal Mahmood, MD is an internal medicine physician with a practice address in Sacramento, California, and NPI 1841883246, issued on Feb 16, 2021. Check the license (California A192215, 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
1841883246
Name
Bilawal Mahmood
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A192215 CA
Self-reported in NPPES; status is on the state search
Practice location
4150 V St # 1100, Sacramento, CA 95817
Phone
(916) 734-2737
Enumerated
Feb 16, 2021
Record last updated
May 6, 2026
Medicare enrollment
Enrolled (PECOS I20260112002583); accepts Medicare assignment
Medical or professional school
University Of California, Davis School Of Medicine, 2022
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 4150 V St # 1100

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

  1. Rigo AcevedoInternal Medicine Physician1225616006
  2. Ebaa Al-ObeidiHematology & Oncology Physician1619472693
  3. Sarah Albrecht, MDStudent in an Organized Health Care Education/Training Program1124887211
  4. Ariceli Alfaro, MDStudent in an Organized Health Care Education/Training Program1124829379
  5. Johnny Alvarez De La Cruz, MDInternal Medicine Physician1285383844
  6. Kwan-Keat AngInternal Medicine Physician1447887666

Verify Bilawal Mahmood in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A192215
    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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91% fewer Medicare Part D claims than the average internal medicine physician in 2024

295 Medicare Part D claims for 58 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 30 claims were for opioids.

  1. Bilawal Mahmood295
  2. Specialty average3,176

Most prescribed

  1. Hydrocodone-Acetaminophen19 claims
  2. Levothyroxine Sodium17 claims
  3. Atorvastatin Calcium16 claims
  4. Famotidine14 claims
  5. Lisinopril14 claims
  6. Buprenorphine Hcl13 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. Regents OF The Univ OF CASacramento, CA

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

Bilawal Mahmood among 17,696 internal medicine physician records in California

Bilawal Mahmood, MD 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 2021, is newer than 92% of them.

  • NPI issued2021 · 92% of these records are older, 5% 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 updated2026 · 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).

601 internal medicine physician records list a practice address in Sacramento

They are 601 of the 33,083 NPPES records with a practice address in Sacramento, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nelson Chiang, M.D.Sacramento, CA 958171326021494
  2. Robert Derlet, MDSacramento, CA 958171902887433
  3. Lynne Do, M.D.Sacramento, CA 958171386627644
  4. Jason Ferries, M.D.Sacramento, CA 958171609859974
  5. Steven Griffen, M.D.Sacramento, CA 958171053393835
  6. Diane Haddock, M.D.Sacramento, CA 958171013991553
  7. Calvin Hirsch, MDSacramento, CA 958171073597332
  8. Hershan Johl, MDSacramento, CA 958171255314399

Common questions

What is Bilawal Mahmood, MD's NPI number?

Bilawal Mahmood, MD's National Provider Identifier (NPI) is 1841883246, issued on Feb 16, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Bilawal Mahmood, MD located?

The NPPES record lists a practice address at 4150 V St # 1100, Sacramento, CA, 95817. Phone: (916) 734-2737. Providers update this record themselves, so call before visiting.

How can I verify Bilawal Mahmood, MD's license?

NPPES lists California license number A192215, 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 Bilawal Mahmood, MD prescribe under Medicare Part D?

In 2024, Bilawal Mahmood, MD had 295 Medicare Part D claims for 58 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.