Registry data as of Aug 27, 2026

Harold Keyserling, M.D.

Diagnostic Neuroimaging (Radiology) Physician · Sacramento, CA

Harold Keyserling, M.D. is a diagnostic neuroimaging (radiology) physician with a practice address in Sacramento, California, and NPI 1023035995, issued on Jul 16, 2006. Check the license (California C198022, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1023035995
Name
Harold Keyserling
Credential
M.D.
Primary taxonomy
Diagnostic Neuroimaging (Radiology) Physician 2085D0003X
License numbers
C198022 CA
782376 CA
200201269 NC
Self-reported in NPPES; status is on the state search
Practice location
3161 L St, Sacramento, CA 95816
Phone
(916) 878-3495
Enumerated
Jul 16, 2006
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 3161 L St

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

  1. Matthew Alexander, M.D.Vascular & Interventional Radiology Physician1578899662
  2. Henry Andoh, M.D.Diagnostic Radiology Physician1699021378
  3. Hesham Attaya, MDSurgery Physician1447413802
  4. Gautam Bahl, MDDiagnostic Radiology Physician1952562209
  5. George Bolton, M.D.Body Imaging Physician1568469708
  6. Roy Bonk, M.D.Diagnostic Radiology Physician1316993249

Verify Harold Keyserling in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C198022
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

One hospital or facility affiliation

  1. Sutter Valley Medical FoundationRoseville, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Diagnostic Neuroimaging (Radiology) Physician providers in California

There are 17 diagnostic neuroimaging (radiology) physician records in California.

Other diagnostic neuroimaging (radiology) physician records in California

  1. Adina Achiriloaie, MDLoma Linda, CA1992983282
  2. Felix Adler, M.D.Mountain View, CA1801069729
  3. Vineet Gorolay, MDSan Francisco, CA1811625544
  4. Imelda Ho, MDSouth San Francisco, CA1417167453
  5. Ronald Homer, MDLos Angeles, CA1316982614
  6. Sireesha Iruvuri, M.D.Long Beach, CA1225245590
  7. Bryan Lanzman, MDStanford, CA1023323573
  8. Li-Chang Lien, MDOrange, CA1376734780
  9. Frank Mangano, M.D.Murrieta, CA1265467252
  10. Amanda Murphy, M.D.San Diego, CA1871794347

Common questions

What is Harold Keyserling, M.D.'s NPI number?

Harold Keyserling, M.D.'s National Provider Identifier (NPI) is 1023035995, issued on Jul 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Harold Keyserling, M.D. located?

The NPPES record lists a practice address at 3161 L St, Sacramento, CA, 95816. Phone: (916) 878-3495. Providers update this record themselves, so call before visiting.

How can I verify Harold Keyserling, M.D.'s license?

NPPES lists California license number C198022, 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.