NPPES file of Aug 9, 2026

Ralph R. Coughlin, MD

Orthopaedic Foot and Ankle Surgery Physician · San Francisco, CA

Ralph R. Coughlin, MD is an orthopaedic foot and ankle surgery physician with a practice address in San Francisco, California, and NPI 1417902172, issued on May 23, 2006. Check the license (California C42267, 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
1417902172
Name
Ralph R. Coughlin
Credential
MD
Primary taxonomy
Orthopaedic Foot and Ankle Surgery Physician 207XX0004X
License number
C42267 CA
Self-reported in NPPES; status is on the state search
Practice location
1001 Potrero Ave, San Francisco, CA 94110
Phone
(415) 206-8811
Enumerated
May 23, 2006
Record last updated
Oct 3, 2023
Fax
(415) 647-3733
Medicaid ID
00C422670 CA
Medicare enrollment
Enrolled (PECOS I20080305000539); may accept Medicare assignment
Medical or professional school
University Central Del Caribe Escuela De Medicina, 1981
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest orthopaedic foot and ankle surgery physician records → All 71 in California → Look up another NPI →

Also registered at 1001 Potrero Ave

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

  1. Elizabeth Abbs, M.D.Internal Medicine Physician1295269983
  2. Atokena AbeStudent in an Organized Health Care Education/Training Program1043130149
  3. Mary Ann AbilleRegistered Nurse1699155804
  4. Nasrin Aboudamous, FNPFamily Nurse Practitioner1699579912
  5. Elizabeth AdvientoRegistered Nurse1124968987
  6. Rocio Agraz-Lara, RN, PHNRegistered Nurse1003075995

Verify Ralph R. Coughlin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C42267    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

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Ralph R. Coughlin among 71 orthopaedic foot and ankle surgery physician records in California

Ralph R. Coughlin, MD is one of 71 orthopaedic foot and ankle surgery physician records with a practice address in California. 85% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 63% newer
  • In a Medicare fileNo · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1981 · median 2008 among the 51 with a school on file
  • Record last updated2023 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XX0004X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Foot and Ankle Surgery Physician providers in California

There are 71 orthopaedic foot and ankle surgery physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 71 in California → Every provider in San Francisco → Orthopaedic Foot and Ankle Surgery Physician nationwide →

The 8 orthopaedic foot and ankle surgery physician records with the nearest ZIP codes

  1. Michael Coughlin, MDSan Francisco, CA 941431023010824
  2. Russell Dedini, M.D.San Francisco, CA 941581528396579
  3. Monique Chambers, MD, MSStanford, CA 943051407151566
  4. Jeremy Chan, MDStanford, CA 943051407274624
  5. Loretta Chou, MDStanford, CA 943051720174287
  6. Francis Glaser, MDFresno, CA 937201124001318
  7. Jacqueline Nguyen, MDNapa, CA 945581609111665
  8. Timothy Dutra, DPMSan Leandro, CA 945781588650162

Common questions

What is Ralph R. Coughlin, MD's NPI number?

Ralph R. Coughlin, MD's National Provider Identifier (NPI) is 1417902172, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ralph R. Coughlin, MD located?

The NPPES record lists a practice address at 1001 Potrero Ave, San Francisco, CA, 94110. Phone: (415) 206-8811. Providers update this record themselves, so call before visiting.

How can I verify Ralph R. Coughlin, MD's license?

NPPES lists California license number C42267, 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.

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.