NPPES file of Aug 9, 2026

Alexander D. Kazberouk

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

Alexander D. Kazberouk is a geriatric medicine (internal medicine) physician with a practice address in San Francisco, California, and NPI 1831694660, issued on Mar 25, 2018. Check the license (California A165392, 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
1831694660
Name
Alexander D. Kazberouk
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License numbers
A165392 CA
75788 AZ
DR.0074505 CO
MD61651857 WA
Self-reported in NPPES; status is on the state search
Practice location
840 Irving St, San Francisco, CA 94122
Phone
(888) 663-6331
Enumerated
Mar 25, 2018
Record last updated
May 15, 2025
Fax
(415) 252-7176
Medicare enrollment
Enrolled (PECOS I20220712003921); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 2018
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 840 Irving St

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

  1. David Adler, PA-CPhysician Assistant1346992138
  2. Clarissa Calderon-Meza, FNP-CFamily Nurse Practitioner1700449162
  3. Xi Chen, MDFamily Medicine Physician1902434970
  4. Maksura Chowdhury, M.D.Family Medicine Physician1831831197
  5. Rose Marie Grainda, PA-CPhysician Assistant1528253648
  6. Shevaun Lewallen, NPNurse Practitioner1679123616

Verify Alexander D. Kazberouk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A165392
    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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80% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

848 Medicare Part D claims for 110 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 28 claims were for opioids.

  1. Alexander Kazberouk848
  2. Specialty average4,246

Most prescribed

  1. Levothyroxine Sodium35 claims
  2. Omeprazole34 claims
  3. Atorvastatin Calcium32 claims
  4. Gabapentin26 claims
  5. Tamsulosin Hcl26 claims
  6. Rosuvastatin Calcium23 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 2 group practices

  1. One Medical Group IncSan Francisco, CA
  2. Regents OF The University OF CaliforniaSan Francisco, CA

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

Alexander D. Kazberouk among 532 geriatric medicine (internal medicine) physician records in California

Alexander D. Kazberouk 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 2018, is newer than 89% of them.

  • NPI issued2018 · 89% of these records are older, 9% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated2018 · median 1999 among the 271 with a school on file
  • Record last updated2025 · 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.

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

  1. Victor Kwok, MDSan Francisco, CA 941221497856827
  2. Frank Ryning, MDSan Francisco, CA 941221790904084
  3. Anna Chang, M.D.San Francisco, CA 941211942313770
  4. Jessica Eng, MDSan Francisco, CA 941211831364603
  5. Frederick Fox, M.D.San Francisco, CA 941211497867469
  6. Godfrey Harper, M.D.San Francisco, CA 941211295794782
  7. Mary Anne Johnson, M.D.San Francisco, CA 941211902855067
  8. Sandra Moody Levin, MD, BSNSan Francisco, CA 941211255319406

Common questions

What is Alexander D. Kazberouk's NPI number?

Alexander D. Kazberouk's National Provider Identifier (NPI) is 1831694660, issued on Mar 25, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Alexander D. Kazberouk located?

The NPPES record lists a practice address at 840 Irving St, San Francisco, CA, 94122. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.

How can I verify Alexander D. Kazberouk's license?

NPPES lists California license number A165392, 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 Alexander D. Kazberouk prescribe under Medicare Part D?

In 2024, Alexander D. Kazberouk had 848 Medicare Part D claims for 110 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.

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.