NPPES file of Aug 9, 2026

Michael Stuart Gottlieb, MD

Internal Medicine Physician · Pasadena, CA

Michael Stuart Gottlieb, MD is an internal medicine physician with a practice address in Pasadena, California, and NPI 1871506808, issued on Aug 14, 2006. Check the license (California G34195, 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
1871506808
Name
Michael Stuart Gottlieb
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G34195 CA
Self-reported in NPPES; status is on the state search
Practice location
1845 N Fair Oaks Ave # G-151, Pasadena, CA 91103
Phone
(562) 867-7999
Enumerated
Aug 14, 2006
Record last updated
Apr 28, 2025
Medicaid ID
00G341950 CA
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.
Download card Updates feed

Also registered at 1845 N Fair Oaks Ave # G-151

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

  1. Grace Alterman-Paradiso, LCSWClinical Social Worker1467079145
  2. Matthew Sexter, M.D.Family Medicine Physician1003134560

Verify Michael Stuart Gottlieb in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G34195
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

47% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,688 Medicare Part D claims for 179 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Michael Gottlieb1,688
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium90 claims
  2. Tivicay63 claims
  3. Rosuvastatin Calcium62 claims
  4. Biktarvy56 claims
  5. Lisinopril56 claims
  6. Valacyclovir49 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.

Industry payments in 2024: $98.16

4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Gottlieb$98.16
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Michael Stuart Gottlieb among 17,696 internal medicine physician records in California

Michael Stuart Gottlieb, 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2025 · 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).

137 internal medicine physician records list a practice address in Pasadena

They are 137 of the 10,525 NPPES records with a practice address in Pasadena, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Robert Ladines, M.D.Pasadena, CA 911031033219084
  2. Muhammad Nasir, M.D.Pasadena, CA 911031427002526
  3. George Sonneborn, AFE23957Pasadena, CA 911031922187962
  4. Arthur Manoukian, M.D.Pasadena, CA 911041811948540
  5. Dolores Barba, MDPasadena, CA 911051992700603
  6. Barry Blum, MDPasadena, CA 911051639141716
  7. Warren Brown, M.D.Pasadena, CA 911011083776322
  8. Edmond Clinton, M.D.Pasadena, CA 911011720094097

Common questions

What is Michael Stuart Gottlieb, MD's NPI number?

Michael Stuart Gottlieb, MD's National Provider Identifier (NPI) is 1871506808, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Stuart Gottlieb, MD located?

The NPPES record lists a practice address at 1845 N Fair Oaks Ave # G-151, Pasadena, CA, 91103. Phone: (562) 867-7999. Providers update this record themselves, so call before visiting.

How can I verify Michael Stuart Gottlieb, MD's license?

NPPES lists California license number G34195, 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 Michael Stuart Gottlieb, MD prescribe under Medicare Part D?

In 2024, Michael Stuart Gottlieb, MD had 1,688 Medicare Part D claims for 179 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.