NPPES file of Aug 9, 2026

Samuel J. Clark, M.D.

Pulmonary Disease Physician · San Diego, CA

Samuel J. Clark, M.D. is a pulmonary disease physician with a practice address in San Diego, California, and NPI 1689611709, issued on May 31, 2006. Check the license (California A52335, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1689611709
Name
Samuel J. Clark
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
A52335 CA
Self-reported in NPPES; status is on the state search
Practice location
1940 EL Cajon Blvd, San Diego, CA 92104
Phone
(619) 543-4500
Enumerated
May 31, 2006
Record last updated
Jun 25, 2024
Fax
(619) 295-5600
Medicare enrollment
Enrolled (PECOS I20060420000454); accepts Medicare assignment
Medical or professional school
Vanderbilt University School Of Medicine, 1992
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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Also registered at 1940 EL Cajon Blvd

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

  1. Catherine AquinoRegistered Nurse1942600416
  2. Casey Conner, DPTPhysical Therapist1265282289
  3. Charlotte Dela Cruz, RNMedical-Surgical Registered Nurse1043171366
  4. Justin Hansen, RRTCritical Care Registered Respiratory Therapist1952221004
  5. Sadiya HasanRegistered Dietitian1003784091
  6. Diana Nawrocki, PHYSICAL THERAPISTPhysical Therapist1699209577

Verify Samuel J. Clark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A52335
    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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Bills Medicare through 4 group practices

  1. Chest Medicine And Critical Care Medical Group IncSan Diego, CA
  2. Emergency And Acute Care Medical CorporationSan Diego, CA
  3. Samuel J Clark MD IncSan Diego, CA
  4. SD Diagnostics IncSan Diego, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Pulmonary Disease Physician providers in California

There are 1,443 pulmonary disease physician records in California.

Other pulmonary disease physician records in California

  1. Manoochehr Abadian Sharifabad, M.D.Fountain Valley, CA1164655817
  2. Mahmoud Abdallah, DOGarden Grove, CA1871014027
  3. Mohamad Abdelfattah, MDFullerton, CA1134539711
  4. Loui Abdelghani, M.DStockton, CA1912161787
  5. Zainab Abdulsada, MBCHBSacramento, CA1144858333
  6. John Abe, MDTorrance, CA1578542569
  7. Moustapha Abidali, DOGlendora, CA1669810123
  8. Mohammed Abo Khamis, M.D.Modesto, CA1508098419
  9. Arin Aboulian, MDGlendale, CA1104038256
  10. Khader Abounasr, MDRancho Cucamonga, CA1780884015

Common questions

What is Samuel J. Clark, M.D.'s NPI number?

Samuel J. Clark, M.D.'s National Provider Identifier (NPI) is 1689611709, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Samuel J. Clark, M.D. located?

The NPPES record lists a practice address at 1940 EL Cajon Blvd, San Diego, CA, 92104. Phone: (619) 543-4500. Providers update this record themselves, so call before visiting.

How can I verify Samuel J. Clark, M.D.'s license?

NPPES lists California license number A52335, 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. 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.