NPPES file of Aug 9, 2026

Gail F. Mattson-Gates, MD

Surgery Physician · Anaheim, CA

Gail F. Mattson-Gates, MD is a surgery physician with a practice address in Anaheim, California, and NPI 1033280953, issued on Nov 13, 2006. Check the license (California G70635, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033280953
Name
Gail F. Mattson-Gates
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License number
G70635 CA
Self-reported in NPPES; status is on the state search
Practice location
441 N Lakeview Ave, Anaheim, CA 92807
Phone
(888) 988-2800
Enumerated
Nov 13, 2006
Record last updated
Jan 16, 2025
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 441 N Lakeview Ave

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

  1. Adan Abarca, MDFamily Medicine Physician1760553689
  2. Peter Abdel Sayed, MDVascular & Interventional Radiology Physician1760553648
  3. Behnam Abdollahi, MDDermatopathology Physician1598836520
  4. Mark Abramson, MDInternal Medicine Physician1396812202
  5. Suzanne Ackley, MDNeuromusculoskeletal Medicine & OMM Physician1740351667
  6. Carol Ahmed, D.O.Family Medicine Physician1598962961

Verify Gail F. Mattson-Gates in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G70635
    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

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48% fewer Medicare Part D claims than the average surgery physician in 2024

76 Medicare Part D claims for 16 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Gail Mattson-Gates76
  2. Specialty average147

Most prescribed

  1. Gabapentin17 claims
  2. Dexamethasone13 claims
  3. Meloxicam13 claims
  4. Cephalexin12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Gail F. Mattson-Gates among 3,118 surgery physician records in California

Gail F. Mattson-Gates, MD is one of 3,118 surgery physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 55% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2025 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in California

There are 3,118 surgery physician records in California.

The 8 surgery physician records with the nearest ZIP codes

  1. James Coleman, MDAnaheim, CA 928071497826317
  2. Lilian Estrada-Linder, MDAnaheim, CA 928071700874161
  3. Henry Fang, MDAnaheim, CA 928071265503155
  4. Donna Formichella, MDAnaheim, CA 928071255408175
  5. Mark Gow, MDAnaheim, CA 928071154480721
  6. Diane Gruber, MDAnaheim, CA 928071508937541
  7. Terence Mayers, MDAnaheim, CA 928071669520649
  8. Kathy Jean Nakano, MDAnaheim, CA 928071154480762

Common questions

What is Gail F. Mattson-Gates, MD's NPI number?

Gail F. Mattson-Gates, MD's National Provider Identifier (NPI) is 1033280953, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gail F. Mattson-Gates, MD located?

The NPPES record lists a practice address at 441 N Lakeview Ave, Anaheim, CA, 92807. Phone: (888) 988-2800. Providers update this record themselves, so call before visiting.

How can I verify Gail F. Mattson-Gates, MD's license?

NPPES lists California license number G70635, 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.

How much does Gail F. Mattson-Gates, MD prescribe under Medicare Part D?

In 2024, Gail F. Mattson-Gates, MD had 76 Medicare Part D claims for 16 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

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.