NPPES file of Aug 9, 2026

Ryan D. Niederkohr, M.D.

Nuclear Medicine Physician · Santa Clara, CA

Ryan D. Niederkohr, M.D. is a nuclear medicine physician with a practice address in Santa Clara, California, and NPI 1679795272, issued on May 3, 2007. Check the license (California A92396, 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
1679795272
Name
Ryan D. Niederkohr
Credential
M.D.
Primary taxonomy
Nuclear Medicine Physician 207U00000X
License numbers
A92396 CA
35089135 OH
Self-reported in NPPES; status is on the state search
Practice location
700 Lawrence Expy, Santa Clara, CA 95051
Phone
(408) 851-5600
Enumerated
May 3, 2007
Record last updated
Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
2776643 OH
Medicare enrollment
Enrolled (PECOS I20081202000485); accepts Medicare assignment
Medical or professional school
Ohio State University College Of Medicine, 2003
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 700 Lawrence Expy

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

  1. Rose Abendroth, P.A-C PHDPhysician Assistant1568471126
  2. Joseph Adams, PHARMD.Pharmacist1851625024
  3. Netali AdielDoula1003770652
  4. Abdallah Al-ObaidiStudent in an Organized Health Care Education/Training Program1255133781
  5. Andrea Mae AlafrizPharmacist1770450967
  6. Andria AlbertStudent in an Organized Health Care Education/Training Program1992565493

Verify Ryan D. Niederkohr in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A92396
    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 one group practice

  1. Permanente Medical Group IncSanta Clara, CA

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

Nuclear Medicine Physician providers in California

There are 150 nuclear medicine physician records in California.

Other nuclear medicine physician records in California

  1. Rahman Akinlusi, MDSan Francisco, CA1477133635
  2. Martin Allen-Auerbach, MDLos Angeles, CA1750325973
  3. Nelson Arnstein, MDBellflower, CA1629145529
  4. Geetha Ashok, MDPanorama City, CA1285701193
  5. Shadfar Bahri, M.D.Los Angeles, CA1104269729
  6. Ernest Belezzuoli, M.D.San Diego, CA1083703805
  7. Gholam Berenji, M.D.Los Angeles, CA1790809317
  8. Mark Bernard, MDFresno, CA1780635508
  9. Richard Black, DOMurrieta, CA1093798720
  10. Shahram Bonyadlou, M.D.Los Angeles, CA1982651915

Common questions

What is Ryan D. Niederkohr, M.D.'s NPI number?

Ryan D. Niederkohr, M.D.'s National Provider Identifier (NPI) is 1679795272, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ryan D. Niederkohr, M.D. located?

The NPPES record lists a practice address at 700 Lawrence Expy, Santa Clara, CA, 95051. Phone: (408) 851-5600. Providers update this record themselves, so call before visiting.

How can I verify Ryan D. Niederkohr, M.D.'s license?

NPPES lists California license number A92396, 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.