NPPES file of Aug 9, 2026

Paul M. Sanchez, M.D.

Gastroenterology Physician · Oxnard, CA

Paul M. Sanchez, M.D. is a gastroenterology physician with a practice address in Oxnard, California, and NPI 1336156207, issued on Aug 2, 2006. Check the license (California G35201, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336156207
Name
Paul M. Sanchez
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
G35201 CA
Self-reported in NPPES; status is on the state search
Practice location
2241 Wankel Way, Oxnard, CA 93030
Phone
(805) 983-0521
Enumerated
Aug 2, 2006
Record last updated
Jul 17, 2023
Fax
(805) 983-4186
Medicare enrollment
Enrolled (PECOS I20090808000081); accepts Medicare assignment
Medical or professional school
Stanford University School Of Medicine, 1976
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 2241 Wankel Way

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

  1. John Billesdon, M.D.Gastroenterology Physician1184648933
  2. Richard Brand, MDInternal Medicine Physician1770527608
  3. Khamaj Dave, MDCardiovascular Disease Physician1275594657
  4. Esam Obed, MDCardiovascular Disease Physician1568422350
  5. Richard Rothschild, MDCardiovascular Disease Physician1700847126
  6. David Schmidt, MDCardiovascular Disease Physician1356301220

Verify Paul M. Sanchez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G35201
    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.

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93% fewer Medicare Part D claims than the average gastroenterology physician in 2024

55 Medicare Part D claims for 53 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.

  1. Paul Sanchez55
  2. Specialty average811

Most prescribed

  1. Gavilyte-G30 claims
  2. Peg-3350 And Electrolytes24 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 87.2 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 score84.1
  2. Costout of 100 · 30%56.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Bills Medicare through one group practice

  1. County OF VenturaVentura, CA

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

Paul M. Sanchez among 2,140 gastroenterology physician records in California

Paul M. Sanchez, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 48% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1976 · median 2002 among the 1,538 with a school on file
  • Record last updated2023 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Constante Abaya, MDOxnard, CA 930301003918459
  2. John Billesdon, M.D.Oxnard, CA 930301184648933
  3. Cecilio Cabansag, M.D.Oxnard, CA 930301417144809
  4. Mohammad Khan, M.D.Oxnard, CA 930301295778215
  5. Justin Marasigan, DOOxnard, CA 930301174714067
  6. Donald Miller, MDOxnard, CA 930301023056850
  7. Keval Shah, D.O.Oxnard, CA 930301093035917
  8. Karen Simon, M.D.Oxnard, CA 930301548384167

Common questions

What is Paul M. Sanchez, M.D.'s NPI number?

Paul M. Sanchez, M.D.'s National Provider Identifier (NPI) is 1336156207, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Paul M. Sanchez, M.D. located?

The NPPES record lists a practice address at 2241 Wankel Way, Oxnard, CA, 93030. Phone: (805) 983-0521. Providers update this record themselves, so call before visiting.

How can I verify Paul M. Sanchez, M.D.'s license?

NPPES lists California license number G35201, 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 Paul M. Sanchez, M.D. prescribe under Medicare Part D?

In 2024, Paul M. Sanchez, M.D. had 55 Medicare Part D claims for 53 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Paul M. Sanchez, M.D.'s MIPS final score?

The 2023 MIPS final score is 87.2 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.