NPPES file of Aug 9, 2026

Adam Guy Brooks, M.D.

Sports Medicine (Orthopaedic Surgery) Physician · Antioch, CA

Adam Guy Brooks, M.D. is a sports medicine (orthopaedic surgery) physician with a practice address in Antioch, California, and NPI 1407167703, issued on Jul 1, 2010. Check the license (California A119135, 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
1407167703
Name
Adam Guy Brooks
Credential
M.D.
Primary taxonomy
Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X
License number
A119135 CA
Self-reported in NPPES; status is on the state search
Practice location
3240 Lone Tree Way, Antioch, CA 94509
Phone
(925) 754-5254
Enumerated
Jul 1, 2010
Record last updated
Aug 30, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(925) 754-5286
Medicare enrollment
Enrolled (PECOS I20160818000774); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 2010
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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Verify Adam Guy Brooks in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A119135
    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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64% fewer Medicare Part D claims than the average sports medicine (orthopaedic surgery) physician in 2024

103 Medicare Part D claims for 33 beneficiaries, against an average of 288 among the 2,562 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 15 claims were for opioids.

  1. Adam Brooks103
  2. Specialty average288

Most prescribed

  1. Naproxen32 claims
  2. Ondansetron Odt11 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.

Adam Guy Brooks among 384 sports medicine (orthopaedic surgery) physician records in California

Adam Guy Brooks, M.D. is one of 384 sports medicine (orthopaedic surgery) physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 66% of them.

  • NPI issued2010 · 66% of these records are older, 29% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2010 · median 2003 among the 293 with a school on file
  • Record last updated2016 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XX0005X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sports Medicine (Orthopaedic Surgery) Physician providers in California

There are 384 sports medicine (orthopaedic surgery) physician records in California.

The 8 sports medicine (orthopaedic surgery) physician records with the nearest ZIP codes

  1. Fred Blackwell, M.D.Alameda, CA 945011386771186
  2. James Distefano, M.D.Alameda, CA 945011942513882
  3. Semon Bader, M.D.Concord, CA 945201750581278
  4. Stephen Franzino, MDFremont, CA 945361114037033
  5. Russell Nord, M.D.Fremont, CA 945361245436542
  6. Benjamin Halligan, MDFremont, CA 945381972715985
  7. Kerisimasi Reynolds, D.O.Fremont, CA 945381518282920
  8. Gregg Pottorff, M.D.Castro Valley, CA 945461477520096

Common questions

What is Adam Guy Brooks, M.D.'s NPI number?

Adam Guy Brooks, M.D.'s National Provider Identifier (NPI) is 1407167703, issued on Jul 1, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Adam Guy Brooks, M.D. located?

The NPPES record lists a practice address at 3240 Lone Tree Way, Antioch, CA, 94509. Phone: (925) 754-5254. Providers update this record themselves, so call before visiting.

How can I verify Adam Guy Brooks, M.D.'s license?

NPPES lists California license number A119135, 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 Adam Guy Brooks, M.D. prescribe under Medicare Part D?

In 2024, Adam Guy Brooks, M.D. had 103 Medicare Part D claims for 33 beneficiaries; the average among sports medicine (orthopaedic surgery) physician prescribers was 288. 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.