NPPES file of Aug 9, 2026

Adam Ross Coen, M.D.

Diagnostic Radiology Physician · San Bernardino, CA

Adam Ross Coen, M.D. is a diagnostic radiology physician with a practice address in San Bernardino, California, and NPI 1083943260, issued on Dec 16, 2009. Check the license (California A116262, 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 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083943260
Name
Adam Ross Coen
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
A116262 CA
25MA12551800 NJ
81180 CT
MD037931 DC
D0102918 MD
and 2 more
Self-reported in NPPES; status is on the state search
Practice location
399 E 21St St, San Bernardino, CA 92404
Phone
(909) 882-2266
Enumerated
Dec 16, 2009
Record last updated
Jul 24, 2026
Fax
(909) 881-7593
Medicare enrollment
Enrolled (PECOS I20110728000607); may accept Medicare assignment
Medical or professional school
New York University School Of Medicine, 2005
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 diagnostic radiology physician records → All 4,500 in California → Look up another NPI →

Also registered at 399 E 21St St

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

  1. Wayne Boyd, MDDiagnostic Radiology Physician1871591727
  2. William Buss, MDDiagnostic Radiology Physician1215936778
  3. Young Kwon, M.D.Radiation Oncology Physician1699773275
  4. Joan Murad-Haid, DODiagnostic Radiology Physician1477645489
  5. Eric Tsao, MDDiagnostic Radiology Physician1356308795
  6. Abhay Vaidya, M.D.Diagnostic Radiology Physician1669405692

Verify Adam Ross Coen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A116262    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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The practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score71.8
  2. Costout of 100 · 30%64.5
  3. Promoting interoperabilityout of 100 · 25%82.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 15 group practices

  1. Advanced Radiology SolutionsClaremont, CA
  2. Bridgeport Radiological Associates LLCClaremont, CA
  3. Coastal Imaging LLCClaremont, CA
  4. Cooper University Radiology PCCamden, NJ
  5. Cooperative Healthcare Services IncClaremont, CA
  6. Diagnostic Radiology Associates LLCClaremont, CA
  7. Health Services OF Central GeorgiaMilledgeville, GA
  8. Kamalpreet Singh MD PCPorterville, CA
  9. Meritus Medical Center IncClaremont, CA
  10. Midstate Radiology Associates LLCClaremont, CA
  11. Ocean Radiology Associates PCClaremont, CA
  12. Peace Health Partners, PCTeaneck, NJ
  13. Radiologic Associates OF Middletown PCClaremont, CA
  14. Rwjbh Observation Associates LLCHamilton, NJ
  15. Umass Memorial Radiology Phys ServClaremont, CA

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

Adam Ross Coen among 4,500 diagnostic radiology physician records in California

Adam Ross Coen, M.D. is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 64% of them.

  • NPI issued2009 · 64% of these records are older, 33% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2005 · median 2004 among the 3,130 with a school on file
  • Record last updated2026 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in California

There are 4,500 diagnostic radiology physician records in California.

All 4,500 in California → Every provider in San Bernardino → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Shahnawaz Ansari, MDSan Bernardino, CA 924041417324633
  2. Wayne Boyd, MDSan Bernardino, CA 924041871591727
  3. William Buss, MDSan Bernardino, CA 924041215936778
  4. Joan Murad-Haid, DOSan Bernardino, CA 924041477645489
  5. Eugene Stecz, MDSan Bernadino, CA 924041346240819
  6. Eric Tsao, MDSan Bernardino, CA 924041356308795
  7. Abhay Vaidya, M.D.San Bernardino, CA 924041669405692
  8. Tatiana Voci, MDSan Bernardino, CA 924041760510879

Common questions

What is Adam Ross Coen, M.D.'s NPI number?

Adam Ross Coen, M.D.'s National Provider Identifier (NPI) is 1083943260, issued on Dec 16, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Adam Ross Coen, M.D. located?

The NPPES record lists a practice address at 399 E 21St St, San Bernardino, CA, 92404. Phone: (909) 882-2266. Providers update this record themselves, so call before visiting.

How can I verify Adam Ross Coen, M.D.'s license?

NPPES lists California license number A116262, 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.

What is Adam Ross Coen, M.D.'s MIPS final score?

The 2023 MIPS final score is 85.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.

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.