Phillip Zakowski, M.D.
Specialist · Los Angeles, CA
Phillip Zakowski, M.D. is a specialist with a practice address in Los Angeles, California, and NPI 1205861580, issued on Jul 12, 2006. Check the license (California G44562, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Phillip Zakowski
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- G44562 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8635 W 3RD St Ste 465W, Los Angeles, CA 90048
- Phone
- (310) 358-2300
- Enumerated
- Jul 12, 2006
- Entity
- Type 1 · individual
Also registered at 8635 W 3RD St Ste 465W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Foltz, M.D.Internal Medicine Physician1245597962
- Nicole Fossas Braegger, MDInfectious Disease Physician1336708825
- Aaron KwongInfectious Disease Physician1255867826
- Hayden Lowenstein, M.D.Student in an Organized Health Care Education/Training Program1437446648
- Jillian Oft, MDStudent in an Organized Health Care Education/Training Program1184940876
- Gisela Rosario Rosario, M.D.Internal Medicine Physician1073873733
Verify Phillip Zakowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G44562Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
69% fewer Medicare Part D claims than the average specialist in 2024
476 Medicare Part D claims for 71 beneficiaries, against an average of 1,524 among the 12,477 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Ertapenem28 claims
- Cresemba25 claims
- Ampicillin Sodium23 claims
- Edurant23 claims
- Ceftriaxone22 claims
- Darunavir22 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: 85.7 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- Cedars-Sinai Medical Care FoundationLos Angeles, 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.
Specialist providers in California
There are 6,640 specialist records in California.
Other specialist records in California
- Adrienne Abad SantosSan Francisco, CA1588976435
- Brenda Abarca, MDTorrance, CA1407485527
- Fatemeh Abbasi, PTVan Nuys, CA1558496760
- Erlinda Abcede, M.D.Cudahy, CA1831228675
- Maher Abdallah, M.D.Palm Springs, CA1205988011
- Basim Abdelkarim, MDUpland, CA1932217544
- Farinaz AbdiSan Marcos, CA1063153963
- Mai Abe, LESanta Monica, CA1609405158
- Hamid Abedi, HEARING AID SPECIALISan Diego, CA1659410744
- Mehrad Abedi, M.D.Sacramento, CA1467459222
Common questions
What is Phillip Zakowski, M.D.'s NPI number?
Phillip Zakowski, M.D.'s National Provider Identifier (NPI) is 1205861580, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Phillip Zakowski, M.D. located?
The NPPES record lists a practice address at 8635 W 3RD St Ste 465W, Los Angeles, CA, 90048. Phone: (310) 358-2300. Providers update this record themselves, so call before visiting.
How can I verify Phillip Zakowski, M.D.'s license?
NPPES lists California license number G44562, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Phillip Zakowski, M.D. prescribe under Medicare Part D?
In 2024, Phillip Zakowski, M.D. had 476 Medicare Part D claims for 71 beneficiaries; the average among specialist prescribers was 1,524. Part D covers Medicare prescriptions only.
What is Phillip Zakowski, M.D.'s Medicare quality score?
The 2023 MIPS final score is 85.7 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.