NPPES file of Aug 9, 2026

Thomas Craig Ellerhorst, D.D.S.

General Practice Dentistry · San Francisco, CA

Thomas Craig Ellerhorst, D.D.S. is a general practice dentistry with a practice address in San Francisco, California, and NPI 1174620033, issued on Sep 20, 2006. Check the license (California 26840, as entered in NPPES) with the California board that licenses this profession; 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
1174620033
Name
Thomas Craig Ellerhorst
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
26840 CA
Self-reported in NPPES; status is on the state search
Practice location
2300 Sutter St, San Francisco, CA 94115
Phone
(415) 921-0434
Enumerated
Sep 20, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(415) 921-0439
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 2300 Sutter St

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

  1. Jacob Lalezari, M.D.Internal Medicine Physician1124173554
  2. Marjorie Smith, M.D.Internal Medicine Physician1386734747
  3. Nikolaj Wolfson, M.D.Orthopaedic Trauma Physician1144270612

Verify Thomas Craig Ellerhorst in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 26840
    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
Find 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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Industry payments in 2024: $58.14

2 payments; by number, the most common kind was food and beverage; the largest payer was Solventum Corporation. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Ellerhorst$58.14
  2. Specialty average$597.01

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

Thomas Craig Ellerhorst among 17,852 general practice dentistry records in California

Thomas Craig Ellerhorst, D.D.S. is one of 17,852 general practice dentistry records with a practice address in California. 57% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 71% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

667 general practice dentistry records list a practice address in San Francisco

They are 667 of the 38,143 NPPES records with a practice address in San Francisco, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Richard Cohan, D.D.S.San Francisco, CA 941151568589489
  2. Leonel Dickey, D.D.S.San Francisco, CA 941151487729729
  3. Stafford Duhn, DDSSan Francisco, CA 941151013092261
  4. Johnnie Fong, DDSSan Francisco, CA 941151174541478
  5. Peter Jacobsen, DDSSan Francisco, CA 941151639174923
  6. Thomas Kuhn, DDSSan Francisco, CA 941151548268642
  7. Emiliana Lopez, D.D.S.San Francisco, CA 941151972688869
  8. Daniel Phillips, D.D.S.San Francisco, CA 941151194849174

Common questions

What is Thomas Craig Ellerhorst, D.D.S.'s NPI number?

Thomas Craig Ellerhorst, D.D.S.'s National Provider Identifier (NPI) is 1174620033, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Craig Ellerhorst, D.D.S. located?

The NPPES record lists a practice address at 2300 Sutter St, San Francisco, CA, 94115. Phone: (415) 921-0434. Providers update this record themselves, so call before visiting.

How can I verify Thomas Craig Ellerhorst, D.D.S.'s license?

NPPES lists California license number 26840, as entered by the provider. 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. 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.