NPPES file of Aug 9, 2026

Gregory R. Mack, M.D.

Surgery of the Hand (Surgery) Physician · San Diego, CA

Gregory R. Mack, M.D. is a surgery of the hand (surgery) physician with a practice address in San Diego, California, and NPI 1528169513, issued on Sep 25, 2006. Check the license (California G37547, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528169513
Name
Gregory R. Mack
Credential
M.D.
Primary taxonomy
Surgery of the Hand (Surgery) Physician 2086S0105X
License number
G37547 CA
Self-reported in NPPES; status is on the state search
Practice location
8008 Frost St, San Diego, CA 92123
Phone
(858) 715-9200
Enumerated
Sep 25, 2006
Record last updated
Aug 6, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(858) 715-1230
Medicaid ID
00G375470 CA
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.
Download card Updates feed

8 nearest surgery of the hand (surgery) physician records → All 39 in California → Look up another NPI →

Also registered at 8008 Frost St

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

  1. Freydoun Alavi, M.D.Obstetrics & Gynecology Physician1205828167
  2. Michael Bennett, MDGastroenterology Physician1700895927
  3. Joel Berger, D.D.S.,M.D.Oral & Maxillofacial Surgery (D.M.D.)1841218229
  4. Chrissy Billones, PA-CSurgical Physician Assistant1710238811
  5. Dori Cage, M.D.Orthopaedic Hand Surgery Physician1871592253
  6. Alfonso Camberos, M.D., F.A.C.S.Surgery of the Hand (Plastic Surgery) Physician1942225388

Verify Gregory R. Mack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G37547    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Gregory R. Mack among 39 surgery of the hand (surgery) physician records in California

Gregory R. Mack, M.D. is one of 39 surgery of the hand (surgery) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 49% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 74% of these records are
  • Record last updated2013 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0105X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery of the Hand (Surgery) Physician providers in California

There are 39 surgery of the hand (surgery) physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 39 in California → Every provider in San Diego → Surgery of the Hand (Surgery) Physician nationwide →

The 8 surgery of the hand (surgery) physician records with the nearest ZIP codes

  1. Julie Gilbert, M.D.San Diego, CA 921231659378990
  2. David Subin, M.D.San Diego, CA 921231770694622
  3. Anisa Yalom, MDSan Marcos, CA 920691164679908
  4. Grant Seiden, MDOceanside, CA 920561992025407
  5. Mark Slonim, M.D.La Jolla, CA 920371730410747
  6. Walter Chang, MDFontana, CA 923351083781835
  7. Sharon Kalina, MDFontana, CA 923351053488908
  8. Ravi Kiran, MDFontana, CA 923351952459984

Common questions

What is Gregory R. Mack, M.D.'s NPI number?

Gregory R. Mack, M.D.'s National Provider Identifier (NPI) is 1528169513, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory R. Mack, M.D. located?

The NPPES record lists a practice address at 8008 Frost St, San Diego, CA, 92123. Phone: (858) 715-9200. Providers update this record themselves, so call before visiting.

How can I verify Gregory R. Mack, M.D.'s license?

NPPES lists California license number G37547, 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. 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.