NPPES file of Aug 9, 2026

Kenneth Ian Light, M.D.

Specialist · San Francisco, CA

Kenneth Ian Light, M.D. is a specialist with a practice address in San Francisco, California, and NPI 1104900919, issued on Oct 25, 2006. 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
1104900919
Name
Kenneth Ian Light
Credential
M.D.
Primary taxonomy
Specialist 174400000X
Practice location
1700 California St, San Francisco, CA 94109
Phone
(415) 673-4500
Enumerated
Oct 25, 2006
Record last updated
Jul 19, 2022
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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8 nearest specialist records → All 5,749 in California → Look up another NPI →

Also registered at 1700 California St

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

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  2. Lane Barringer, NPNurse Practitioner1033759428
  3. Kyle Bickel, MDOrthopaedic Hand Surgery Physician1619910726
  4. Agnes Consolacion, PT, CHTPhysical Therapist1346297967
  5. Geraldine EkpoObstetrics & Gynecology Physician1356503643
  6. Kaitlin Firestone, NPFamily Nurse Practitioner1841708047

Verify Kenneth Ian Light 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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Kenneth Ian Light among 5,749 specialist records in California

Kenneth Ian Light, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 60% newer
  • In a Medicare fileNo · 30% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2022 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

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 5,749 in California → Every provider in San Francisco → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. Rakesh Dixit, M.D.San Francisco, CA 941091295843001
  2. Poornima Kaul, MDSan Francisco, CA 941091134301138
  3. Athena Kyle, P.T.San Francisco, CA 941091770708497
  4. H. McDonald, M.D.San Francisco, CA 941091720056567
  5. Irene Minkowsky, M.D.San Francisco, CA 941091942391578
  6. Robert Minkowsky, M.D.San Francisco, CA 941091740371418
  7. Joel Renbaum, M.D.San Francisco, CA 941091295843092
  8. Varsha Sikka, MDSan Francisco, CA 941091174697114

Common questions

What is Kenneth Ian Light, M.D.'s NPI number?

Kenneth Ian Light, M.D.'s National Provider Identifier (NPI) is 1104900919, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kenneth Ian Light, M.D. located?

The NPPES record lists a practice address at 1700 California St, San Francisco, CA, 94109. Phone: (415) 673-4500. Providers update this record themselves, so call before visiting.

How can I verify Kenneth Ian Light, M.D.'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.