NPPES file of Aug 9, 2026

Timothy T. Lu, M.D., PH.D.

Gastroenterology Physician · San Francisco, CA

Timothy T. Lu, M.D., PH.D. is a gastroenterology physician with a practice address in San Francisco, California, and NPI 1922258169, issued on Sep 24, 2008. Check the license (California A95442, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922258169
Name
Timothy T. Lu
Credential
M.D., PH.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
A95442 CA
Self-reported in NPPES; status is on the state search
Practice location
513 Parnassus Ave, San Francisco, CA 94143
Phone
(415) 476-3143
Enumerated
Sep 24, 2008
Record last updated
Sep 24, 2008 (not updated in 18 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 513 Parnassus Ave

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

  1. Kimiya Abtahi, DMDStudent in an Organized Health Care Education/Training Program1295397719
  2. Kemi Alabi, MDStudent in an Organized Health Care Education/Training Program1821857004
  3. Ivy Aslan, M.D.Specialist1346571833
  4. Su Aung, M.D.Infectious Disease Physician1649513805
  5. Jeanie Bhuller, D.O.Anesthesiology Physician1801020391
  6. Catherine Blebea, MDInternal Medicine Physician1134680531

Verify Timothy T. Lu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A95442
    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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Timothy T. Lu among 2,140 gastroenterology physician records in California

Timothy T. Lu, M.D., PH.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2008, is newer than 63% of them.

  • NPI issued2008 · 63% of these records are older, 31% newer
  • In a Medicare fileNo · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • Record last updated2008 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Kendall BeckSan Francisco, CA 941431972892057
  2. John Cello, MDSan Francisco, CA 941431346205168
  3. Joseph Chen, M.D.San Francisco, CA 941431558500603
  4. Jennifer Chen, MDSan Francisco, CA 941431376771758
  5. Lukejohn Day, M.D.San Francisco, CA 941431669623773
  6. Jeanne-Marie GiardSan Francisco, CA 941431194134460
  7. Courtney Gonzales, M.D.San Francisco, CA 941431669708830
  8. Abdul Kouanda, MDSan Francisco, CA 941431144648833

Common questions

What is Timothy T. Lu, M.D., PH.D.'s NPI number?

Timothy T. Lu, M.D., PH.D.'s National Provider Identifier (NPI) is 1922258169, issued on Sep 24, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Timothy T. Lu, M.D., PH.D. located?

The NPPES record lists a practice address at 513 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 476-3143. Providers update this record themselves, so call before visiting.

How can I verify Timothy T. Lu, M.D., PH.D.'s license?

NPPES lists California license number A95442, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.