NPPES file of Aug 9, 2026

Thomas Frohlich, MD

Interventional Cardiology Physician · Oakland, CA

Thomas Frohlich, MD is an interventional cardiology physician with a practice address in Oakland, California, and NPI 1164499638, issued on Mar 3, 2006. Check the license 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
1164499638
Name
Thomas Frohlich
Credential
MD
Primary taxonomy
Interventional Cardiology Physician 207RI0011X
License number
036062214 IL
Self-reported in NPPES; status is on the state search
Practice location
1411 E 31St St, Oakland, CA 94602
Phone
(510) 437-4800
Enumerated
Mar 3, 2006
Record last updated
Mar 16, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
036062214 IL
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 1411 E 31St St

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

  1. Shahram Aarabi, MDVascular Surgery Physician1972700458
  2. Marwan Abdelrahim, M.D.Internal Medicine Physician1538693650
  3. Oluwayemisi Adejumo, M.D.Interventional Cardiology Physician1699031179
  4. Tessa Adler, MDEmergency Medicine Physician1558065524
  5. Omonivie Agboghidi, MDStudent in an Organized Health Care Education/Training Program1104576065
  6. Ruta AionoLactation Consultant (Non-RN)1518833375

Verify Thomas Frohlich in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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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100% fewer Medicare Part D claims than the average interventional cardiology physician in 2024

15 Medicare Part D claims, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D.

  1. Thomas Frohlich15
  2. Specialty average3,179

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.

Interventional Cardiology Physician providers in California

There are 632 interventional cardiology physician records in California.

Other interventional cardiology physician records in California

  1. Ayman AbdelkarimTorrance, CA1407353600
  2. Murrad Abdelkarim, M.D.Torrance, CA1073706495
  3. Obai Abdullah, MDCarmichael, CA1417263450
  4. Mohammad Abid, MD FACCIndio, CA1699857706
  5. Bader Abu Ghalyoun, MDStockton, CA1740492214
  6. Islam Abudayyeh, M.D.Redlands, CA1356451785
  7. Roger Acheatel, M.D.Escondido, CA1730182619
  8. Oluwayemisi Adejumo, M.D.Oakland, CA1699031179
  9. Ashish Aggarwal, M.D.Encino, CA1760682868
  10. Atul Aggarwal, MDBakersfield, CA1043290778

Common questions

What is Thomas Frohlich, MD's NPI number?

Thomas Frohlich, MD's National Provider Identifier (NPI) is 1164499638, issued on Mar 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Frohlich, MD located?

The NPPES record lists a practice address at 1411 E 31St St, Oakland, CA, 94602. Phone: (510) 437-4800. Providers update this record themselves, so call before visiting.

How can I verify Thomas Frohlich, MD's license?

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 Thomas Frohlich, MD prescribe under Medicare Part D?

In 2024, Thomas Frohlich, MD had 15 Medicare Part D claims; the average among interventional cardiology physician prescribers was 3,179. 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.