NPPES file of Aug 9, 2026

Marissa Tan Keng

Specialist · San Francisco, CA

Marissa Tan Keng is a specialist with a practice address in San Francisco, California, and NPI 1194242651, issued on Aug 25, 2017. Check the license with the California board that licenses this profession; 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
1194242651
Name
Marissa Tan Keng
Primary taxonomy
Specialist 174400000X
Practice location
1380 Howard St FL 3, San Francisco, CA 94103
Phone
(415) 255-3652
Enumerated
Aug 25, 2017
Record last updated
Jul 21, 2022
Fax
(415) 255-3606
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 1380 Howard St FL 3

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

  1. Ma. Rowena AlcantaraSpecialist1518484096
  2. Wylie ChanSpecialist1891165049
  3. Lawrence EatonCommunity Health Worker1740779677
  4. Laura GainesSpecialist1144747726
  5. Ruben Gorrea PenachoSpecialist1992179188
  6. Philippe KennedyCounselor1366866535

Verify Marissa Tan Keng in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
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666 specialist records list a practice address in San Francisco

They are 666 of the 38,143 NPPES records with a practice address in San Francisco, and 5,749 specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 666 in San Francisco → All 5,749 in California → Every provider in San Francisco →

Other specialist records in California

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  2. Erlinda Abcede, M.D.Cudahy, CA1831228675
  3. Maher Abdallah, M.D.Palm Springs, CA1205988011
  4. Farinaz AbdiSan Marcos, CA1063153963
  5. Mai Abe, LESanta Monica, CA1609405158
  6. Hamid Abedi, HEARING AID SPECIALISan Diego, CA1659410744
  7. Jonas AbellaSan Francisco, CA1679760938
  8. Shreedhar Abhyankar, M.D.Indio, CA1861530669
  9. Elaine AbichRiverside, CA1780458927
  10. Mussarat Abidi, MDLadera Ranch, CA1053307769

Common questions

What is Marissa Tan Keng's NPI number?

Marissa Tan Keng's National Provider Identifier (NPI) is 1194242651, issued on Aug 25, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Marissa Tan Keng located?

The NPPES record lists a practice address at 1380 Howard St FL 3, San Francisco, CA, 94103. Phone: (415) 255-3652. Providers update this record themselves, so call before visiting.

How can I verify Marissa Tan Keng's license?

Search the California board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.