NPPES file of Aug 9, 2026

Gregory Joseph Sabo, M.D.

Diagnostic Radiology Physician · Fremont, CA

Gregory Joseph Sabo, M.D. is a diagnostic radiology physician with a practice address in Fremont, California, and NPI 1467579581, issued on Mar 23, 2007. Check the license (California A87052, 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
1467579581
Name
Gregory Joseph Sabo
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
A87052 CA
Self-reported in NPPES; status is on the state search
Practice location
39400 Paseo Padre Pkwy, Fremont, CA 94538
Phone
(510) 248-7127
Enumerated
Mar 23, 2007
Record last updated
Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20070625000404); accepts Medicare assignment
Medical or professional school
Duke University School Of Medicine, 2002
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 39400 Paseo Padre Pkwy

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

  1. Denise Agatep, LCSWCounselor1164584900
  2. Ujwala Agharkar, MDChild & Adolescent Psychiatry Physician1073685723
  3. Dolly Ahluwalia, RDRegistered Dietitian1659429157
  4. Tabassum Alam, MDHospitalist Physician1306921069
  5. Mary Alyono, MDAnesthesiology Physician1477631059
  6. Stephanie Aoki, PHDPsychologist1427721216

Verify Gregory Joseph Sabo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A87052    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 IncSan Leandro, CA

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

Gregory Joseph Sabo among 4,500 diagnostic radiology physician records in California

Gregory Joseph Sabo, 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 2007, is newer than 48% of them.

  • NPI issued2007 · 48% of these records are older, 41% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2002 · median 2004 among the 3,130 with a school on file
  • Record last updated2021 · 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 Fremont → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Maureen Chapman, MDFremont, CA 945381336566702
  2. David Chin, MDFremont, CA 945381629017140
  3. Thomas Efird, M.D.Fremont, CA 945381174710339
  4. Haramrit Hansra, M.D..Fremont, CA 945381841695889
  5. Sean Hilchey, MDFremont, CA 945381306858204
  6. Lisa Kinoshita, MDFremont, CA 945381073691853
  7. Brian Nagai, M.D.Fremont, CA 945381467493536
  8. Bruce Nixon, M.D.Fremont, CA 945381700840238

Common questions

What is Gregory Joseph Sabo, M.D.'s NPI number?

Gregory Joseph Sabo, M.D.'s National Provider Identifier (NPI) is 1467579581, issued on Mar 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Joseph Sabo, M.D. located?

The NPPES record lists a practice address at 39400 Paseo Padre Pkwy, Fremont, CA, 94538. Phone: (510) 248-7127. Providers update this record themselves, so call before visiting.

How can I verify Gregory Joseph Sabo, M.D.'s license?

NPPES lists California license number A87052, 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.

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.