Jason Duggan Napolitano, MD
Hospitalist Physician · Los Angeles, CA
Jason Duggan Napolitano, MD is a hospitalist physician with a practice address in Los Angeles, California, and NPI 1629098397, issued on Jul 19, 2006. Check the license (California A84951, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jason Duggan Napolitano
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A84951 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Medical Plaza, Los Angeles, CA 90095
- Phone
- (310) 794-9718
- Enumerated
- Jul 19, 2006
- Record last updated
- Mar 29, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid ID
- 00A849510 CA
- Medicare enrollment
- Enrolled (PECOS I20050627000781); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2002
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 200 Medical Plaza
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jason Duggan Napolitano in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A84951Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average hospitalist physician in 2024
21 Medicare Part D claims, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
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): 86.1 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).
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Duggan Napolitano among 3,099 hospitalist physician records in California
Jason Duggan Napolitano, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2002 · median 2010 among the 2,505 with a school on file
- Record last updated2017 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Los Angeles → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Nasim Afsarmanesh, MDLos Angeles, CA 900951447455449
- Ashley Busuttil, MDLos Angeles, CA 900951629022314
- Neveen El-Farra, MDLos Angeles, CA 900951881629509
- Edward Ha, M.D.Los Angeles, CA 900951285818518
- Estebes Hernandez, M.D.Los Angeles, CA 900951982877056
- Angela Kleiber, M.D., RD, CNSDLos Angeles, CA 900951285790899
- Michael Lazarus, MDLos Angeles, CA 900951689693582
- Edward Lee, M.D.Los Angeles, CA 900951376784447
Common questions
What is Jason Duggan Napolitano, MD's NPI number?
Jason Duggan Napolitano, MD's National Provider Identifier (NPI) is 1629098397, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jason Duggan Napolitano, MD located?
The NPPES record lists a practice address at 200 Medical Plaza, Los Angeles, CA, 90095. Phone: (310) 794-9718. Providers update this record themselves, so call before visiting.
How can I verify Jason Duggan Napolitano, MD's license?
NPPES lists California license number A84951, 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 Jason Duggan Napolitano, MD prescribe under Medicare Part D?
In 2024, Jason Duggan Napolitano, MD had 21 Medicare Part D claims; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Jason Duggan Napolitano, MD's MIPS final score?
The 2023 MIPS final score is 86.1 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.