NPPES file of Aug 9, 2026

Gregory S. Anderson, MD

Diagnostic Radiology Physician · San Diego, CA

Gregory S. Anderson, MD is a diagnostic radiology physician with a practice address in San Diego, California, and NPI 1841467099, issued on May 15, 2008. Check the license 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 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841467099
Name
Gregory S. Anderson
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
2008-00336 NC
Self-reported in NPPES; status is on the state search
Practice location
150 W Washington St, San Diego, CA 92103
Phone
(919) 684-8111
Enumerated
May 15, 2008
Record last updated
Apr 12, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090818000730); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 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 150 W Washington St

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

  1. Lori Baker, M.D.Diagnostic Radiology Physician1063465219
  2. Michael Booker, M.D.Diagnostic Radiology Physician1669890588
  3. David Buckley, M.D.Diagnostic Radiology Physician1982657060
  4. Christine Chen, MDVascular & Interventional Radiology Physician1710243696
  5. Eric Chou, M.D.Diagnostic Radiology Physician1689627838
  6. John Doemeny, M.D.Diagnostic Radiology Physician1841243912

Verify Gregory S. Anderson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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

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The practice group's MIPS final score for 2023 (Medicare payment program): 100 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 score96.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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).

Industry payments in 2024: $17.08

1 payment: food and beverage; the largest payer was ViiV Healthcare Company. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Anderson$17.08
  2. Specialty average$2,488.38

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Ihs Radiology Medical Group IncPoway, CA
  2. Scripps Health Inpatient Providers Medical Group IncSan Diego, CA

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

Diagnostic Radiology Physician providers in California

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

Other diagnostic radiology physician records in California

  1. Jason Aaronson, MDLos Angeles, CA1023145463
  2. Brianna Abadie, M.D.Van Nuys, CA1861811291
  3. Kenric Aban, M.D.Oceanside, CA1336218023
  4. Pablo Abbona, MDLos Angeles, CA1689856239
  5. Rashed AbdelaalRiverside, CA1518726090
  6. Ahmed Abdelhalim, MDRiverside, CA1275162927
  7. Fatemeh Abdollahi Mofakham, MDLos Angeles, CA1659652915
  8. Bennett Abe, MDVisalia, CA1184731283
  9. Stephen Abedon, M.D.Daly City, CA1689628687
  10. Richard Abello, M.D.La Jolla, CA1245205996

Common questions

What is Gregory S. Anderson, MD's NPI number?

Gregory S. Anderson, MD's National Provider Identifier (NPI) is 1841467099, issued on May 15, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Gregory S. Anderson, MD located?

The NPPES record lists a practice address at 150 W Washington St, San Diego, CA, 92103. Phone: (919) 684-8111. Providers update this record themselves, so call before visiting.

How can I verify Gregory S. Anderson, MD's license?

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 Gregory S. Anderson, MD's MIPS final score?

The 2023 MIPS final score is 100 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.

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.