NPPES file of Aug 9, 2026

Angelo Asa Clemenzi-Allen, M.D.

Infectious Disease Physician · San Francisco, CA

Angelo Asa Clemenzi-Allen, M.D. is an infectious disease physician with a practice address in San Francisco, California, and NPI 1770842684, issued on May 11, 2012. Check the license (California A129001, 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
1770842684
Name
Angelo Asa Clemenzi-Allen
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
A129001 CA
Self-reported in NPPES; status is on the state search
Practice location
505 Parnassus Ave, San Francisco, CA 94143
Phone
(413) 537-6483
Enumerated
May 11, 2012
Record last updated
Jun 20, 2017 (not updated in 9 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 505 Parnassus Ave

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

  1. Alexander Aabedi, MDStudent in an Organized Health Care Education/Training Program1245971480
  2. Kathryn Aaronson, RN, CPNPPediatric Nurse Practitioner1992030951
  3. Sharon AbadaStudent in an Organized Health Care Education/Training Program1003492844
  4. Abul Abbas, MBBSAnatomic Pathology Physician1881652964
  5. Jesse Abelson, MDInternal Medicine Physician1083843817
  6. Rhonald AbitonaAcute Care Nurse Practitioner1164993473

Verify Angelo Asa Clemenzi-Allen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A129001
    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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85% fewer Medicare Part D claims than the average infectious disease physician in 2024

104 Medicare Part D claims, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.

  1. Angelo Clemenzi-Allen104
  2. Specialty average689

Most prescribed

  1. Biktarvy24 claims
  2. Olanzapine22 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.

Infectious Disease Physician providers in California

There are 1,119 infectious disease physician records in California.

Other infectious disease physician records in California

  1. Sanaz Abderrahmane, M.D.Sacramento, CA1902039902
  2. Shira Abeles, M.D.San Diego, CA1720240625
  3. Igor Abolnik, MDRureka, CA1194783829
  4. Firas Abubaker, MDCorona, CA1346255254
  5. Nehkonti Adams, M.D.San Diego, CA1194985705
  6. Paul Adamson, MD, MPHLos Angeles, CA1639558455
  7. Alina Adeel, M.DLa Jolla, CA1831453596
  8. Oladunni Adeyiga, MDLos Angeles, CA1801809751
  9. Jacqueline Adler, M.D.West Hills, CA1326094582
  10. Dipti Agrawal, MDPalo Alto, CA1437137189

Common questions

What is Angelo Asa Clemenzi-Allen, M.D.'s NPI number?

Angelo Asa Clemenzi-Allen, M.D.'s National Provider Identifier (NPI) is 1770842684, issued on May 11, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Angelo Asa Clemenzi-Allen, M.D. located?

The NPPES record lists a practice address at 505 Parnassus Ave, San Francisco, CA, 94143. Phone: (413) 537-6483. Providers update this record themselves, so call before visiting.

How can I verify Angelo Asa Clemenzi-Allen, M.D.'s license?

NPPES lists California license number A129001, 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 Angelo Asa Clemenzi-Allen, M.D. prescribe under Medicare Part D?

In 2024, Angelo Asa Clemenzi-Allen, M.D. had 104 Medicare Part D claims; the average among infectious disease physician prescribers was 689. 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.