Registry data as of Aug 27, 2026

Mark Cook, M.D.

Family Medicine Physician · Oakdale, CA

Mark Cook, M.D. is a family medicine physician with a practice address in Oakdale, California, and NPI 1750379236, issued on Oct 10, 2005. Check the license (California A60965, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1750379236
Name
Mark Cook
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A60965 CA
Self-reported in NPPES; status is on the state search
Practice location
1425 W H St, Oakdale, CA 95361
Phone
(209) 848-1005
Enumerated
Oct 10, 2005
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

Also registered at 1425 W H St

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

  1. Andres Arellano, M.D.Internal Medicine Physician1306917430
  2. Upinder Basi, MDInternal Medicine Physician1891782009
  3. Krystyna Belski, M.D.Pediatrics Physician1366478414
  4. Bruce Blackhart, M.D.Family Medicine Physician1700874286
  5. Rebecca Day, PA - FNPMedical Physician Assistant1740292739
  6. Albert Gelders, M.D.Family Medicine Physician1417945999

Verify Mark Cook in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A60965
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

29% fewer Medicare Part D claims than the average family medicine physician in 2024

2,511 Medicare Part D claims for 319 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 33 claims were for opioids.

  1. Mark Cook2,511
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium137 claims
  2. Levothyroxine Sodium127 claims
  3. Pravastatin Sodium113 claims
  4. Tamsulosin Hcl93 claims
  5. Gabapentin88 claims
  6. Lisinopril82 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.

Industry payments in 2024: $90.89

6 payments, mostly food and beverage; the largest payer was Pfizer Inc.. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Cook$90.89
  2. Specialty average$861.30

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

One hospital or facility affiliation

  1. Mark D Cook, MD, IncOakdale, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

8 family medicine physician records list a Oakdale practice address

They are 8 of the 207 NPPES records with a Oakdale practice address, and 16,272 family medicine physician records in California.

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

What is Mark Cook, M.D.'s NPI number?

Mark Cook, M.D.'s National Provider Identifier (NPI) is 1750379236, issued on Oct 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark Cook, M.D. located?

The NPPES record lists a practice address at 1425 W H St, Oakdale, CA, 95361. Phone: (209) 848-1005. Providers update this record themselves, so call before visiting.

How can I verify Mark Cook, M.D.'s license?

NPPES lists California license number A60965, 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 Mark Cook, M.D. prescribe under Medicare Part D?

In 2024, Mark Cook, M.D. had 2,511 Medicare Part D claims for 319 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.