NPPES file of Aug 9, 2026

Christine Martinez, P.A.-C

Surgical Physician Assistant · Walnut Creek, CA

Christine Martinez, P.A.-C is a surgical physician assistant with a practice address in Walnut Creek, California, and NPI 1871650523, issued on Jan 2, 2007. Check the license (California 17487, as entered in NPPES) with the California board that licenses this profession; 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
1871650523
Name
Christine Martinez
Credential
P.A.-C
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License numbers
17487 CA
PA17487 CA
Self-reported in NPPES; status is on the state search
Practice location
2405 Shadelands Dr, Walnut Creek, CA 94598
Phone
(925) 939-8585
Enumerated
Jan 2, 2007
Record last updated
Sep 18, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(925) 933-2709
Medicare enrollment
Enrolled (PECOS I20070220000350); accepts Medicare assignment
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 2405 Shadelands Dr

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

  1. Divya Anand, PHYSICAL THERAPISTPhysical Therapist1801989272
  2. David Arakawa, P.T.Orthopedic Physical Therapist1114955820
  3. Kevin Byrne, PASurgical Physician Assistant1306499272
  4. Michael Cadette, PA-CPhysician Assistant1689075236
  5. Leo Calafi, MDOrthopaedic Surgery Physician1720079072
  6. Michael Chang, D.O.Pain Medicine (Physical Medicine & Rehabilitation) Physician1205934262

Verify Christine Martinez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 17487
    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
Find 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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2.9 times the Medicare Part D claims of the average surgical physician assistant in 2024

894 Medicare Part D claims for 391 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 320 claims were for opioids.

  1. Christine Martinez894
  2. Specialty average304

Most prescribed

  1. Celecoxib195 claims
  2. Oxycodone Hcl152 claims
  3. Hydrocodone-Acetaminophen123 claims
  4. Cephalexin113 claims
  5. Cyclobenzaprine Hcl79 claims
  6. Naloxone Hcl55 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $446.28

6 payments; by number, the most common kind was food and beverage; the largest payer was Bioventus LLC. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christine Martinez$446.28
  2. Specialty average$703.95

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

Bills Medicare through one group practice

  1. Golden State Orthopedics And SpineWalnut Creek, CA

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

Christine Martinez among 1,075 surgical physician assistant records in California

Christine Martinez, P.A.-C is one of 1,075 surgical physician assistant records with a practice address in California. 79% 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 26% of them.

  • NPI issued2007 · 26% of these records are older, 59% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2004 · median 2012 among the 649 with a school on file
  • Record last updated2020 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Physician Assistant providers in California

There are 1,075 surgical physician assistant records in California.

The 8 surgical physician assistant records with the nearest ZIP codes

  1. David Brand, P.A.Walnut Creek, CA 945981346366556
  2. Brian Costello, PHYSICIAN ASSISTANTWalnut Creek, CA 945981396833257
  3. Bridget Garrehy, P.A.Walnut Creek, CA 945981710250865
  4. Jennifer Hayashi, P.A.Walnut Creek, CA 945981184959033
  5. Mariel Heller-Benson, PA-CWalnut Creek, CA 945981891083408
  6. Patricia Loo, P.A.Walnut Creek, CA 945981083755862
  7. Kevin Lowe, PA-CWalnut Creek, CA 945981659644870
  8. Thomas Markiewith, P.A.Walnut Creek, CA 945981427086149

Common questions

What is Christine Martinez, P.A.-C's NPI number?

Christine Martinez, P.A.-C's National Provider Identifier (NPI) is 1871650523, issued on Jan 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Christine Martinez, P.A.-C located?

The NPPES record lists a practice address at 2405 Shadelands Dr, Walnut Creek, CA, 94598. Phone: (925) 939-8585. Providers update this record themselves, so call before visiting.

How can I verify Christine Martinez, P.A.-C's license?

NPPES lists California license number 17487, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Christine Martinez, P.A.-C prescribe under Medicare Part D?

In 2024, Christine Martinez, P.A.-C had 894 Medicare Part D claims for 391 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.

What is Christine Martinez, P.A.-C's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.