Registry data as of Aug 27, 2026

Philip McDonald, M.D.

Infectious Disease Physician · Thousand Oaks, CA

Philip McDonald, M.D. is an infectious disease physician with a practice address in Thousand Oaks, California, and NPI 1952644122, issued on Apr 5, 2013. Check the license (California C203711, 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
1952644122
Name
Philip McDonald
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
C203711 CA
Self-reported in NPPES; status is on the state search
Practice location
375 Rolling Oaks Dr Ste 210, Thousand Oaks, CA 91361
Phone
(805) 495-1073
Enumerated
Apr 5, 2013
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 375 Rolling Oaks Dr Ste 210

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

  1. Lauryn Cooper, PA-CPhysician Assistant1972146090
  2. Alexander KayePhysician Assistant1861927691
  3. Allison Meyer, PTPhysical Therapist1033879812
  4. Ramesh Nathan, MDInfectious Disease Physician1215025291
  5. April Oconnell, O.T.R./L C.H.TOccupational Therapist1356472641
  6. Jiami Uy, PA-CPhysician Assistant1346685849

Verify Philip McDonald in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C203711
    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 →

32% fewer Medicare Part D claims than the average infectious disease physician in 2024

552 Medicare Part D claims for 89 beneficiaries, against an average of 807 among the 5,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.

  1. Philip McDonald552
  2. Specialty average807

Most prescribed

  1. Biktarvy103 claims
  2. Genvoya39 claims
  3. Ceftriaxone31 claims
  4. Vancomycin Hcl25 claims
  5. Amoxicillin-Clavulanate Potass24 claims
  6. Daptomycin21 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 Medicare quality score for 2023: 93.6 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 score63.8
  2. Costout of 100 · 30%82.1
  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).

Industry payments in 2024: $17.46

1 payment, mostly food and beverage; the largest payer was Abbvie Inc.. The 3,057 providers of this specialty with any payment received $4,644.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Philip McDonald$17.46
  2. Specialty average$4,644.86

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

2 hospital and facility affiliations

  1. Hurley Medical CenterFlint, MI · Acute Care Hospitals2 of 5 stars
  2. Mark H Mazur MD And Barry Statner MD A Professional CorporationThousand Oaks, 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.

Infectious Disease Physician providers in California

There are 899 infectious disease physician records in California.

Other infectious disease physician records in California

  1. Sanaz Abderrahmane, M.D.Sacramento, CA1902039902
  2. Glen Abergel, M.D.Oxnard, CA1093743924
  3. Igor Abolnik, MDRureka, CA1194783829
  4. Nehkonti Adams, M.D.San Diego, CA1194985705
  5. Alina Adeel, M.DLa Jolla, CA1831453596
  6. Oladunni Adeyiga, MDLos Angeles, CA1801809751
  7. Jacqueline Adler, M.D.West Hills, CA1326094582
  8. Wollelaw Agmas, M.DRancho Cucamonga, CA1174937825
  9. Dipti Agrawal, MDPalo Alto, CA1437137189
  10. Manju Agrawal, M.D.Los Angeles, CA1902999220

Common questions

What is Philip McDonald, M.D.'s NPI number?

Philip McDonald, M.D.'s National Provider Identifier (NPI) is 1952644122, issued on Apr 5, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Philip McDonald, M.D. located?

The NPPES record lists a practice address at 375 Rolling Oaks Dr Ste 210, Thousand Oaks, CA, 91361. Phone: (805) 495-1073. Providers update this record themselves, so call before visiting.

How can I verify Philip McDonald, M.D.'s license?

NPPES lists California license number C203711, 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 Philip McDonald, M.D. prescribe under Medicare Part D?

In 2024, Philip McDonald, M.D. had 552 Medicare Part D claims for 89 beneficiaries; the average among infectious disease physician prescribers was 807. Part D covers Medicare prescriptions only.

What is Philip McDonald, M.D.'s Medicare quality score?

The 2023 MIPS final score is 93.6 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), 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.