Massimo D'Apuzzo, MD PHD
Neuropathology Physician · Duarte, CA
Massimo D'Apuzzo, MD PHD is a neuropathology physician with a practice address in Duarte, California, and NPI 1427104462, issued on Jan 25, 2007. Check the license (California A88682, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Massimo D'Apuzzo
- Credential
- MD PHD
- Primary taxonomy
- Neuropathology Physician 207ZN0500X
- License number
- A88682 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 E Duarte RD, Duarte, CA 91010
- Phone
- (626) 359-8111
- Enumerated
- Jan 25, 2007
- Record last updated
- Dec 7, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070326000533); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neuropathology physician records → All 23 in California → Look up another NPI →
Also registered at 1500 E Duarte RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sarkis Baltayian, MDAnesthesiology Physician1932165776
- Elizabeth Bernardi, PA CPhysician Assistant1699980896
Verify Massimo D'Apuzzo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A88682Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 99.1 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
- City OF Hope Medical FoundationIrvine, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Massimo D'Apuzzo among 23 neuropathology physician records in California
Massimo D'Apuzzo, MD PHD is one of 23 neuropathology physician records with a practice address in California. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 43% of them.
- NPI issued2007 · 43% of these records are older, 52% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1993 · median 2005 among the 13 with a school on file
- Record last updated2020 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZN0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neuropathology Physician providers in California
There are 23 neuropathology physician records in California.
All 23 in California → Every provider in Duarte → Neuropathology Physician nationwide →
The 8 neuropathology physician records with the nearest ZIP codes
- Ronald Kim, MDLong Beach, CA 908221003915661
- Marcia Cornford, M.D., PH.DTorrance, CA 905021669442901
- Negar Khanlou, MDLos Angeles, CA 900951376784678
- Harry Vinters, MDLos Angeles, CA 900951568491256
- Jacqueline Benjamin, M.D.Los Angeles, CA 900331699091702
- Kari Hird, MDSan Diego, CA 921031114505708
- Christopher Keene, MD, PHDSan Diego, CA 921031104928712
- Henry Powell, MD, DSC, FRCPATHSan Diego, CA 921031295778348
Common questions
What is Massimo D'Apuzzo, MD PHD's NPI number?
Massimo D'Apuzzo, MD PHD's National Provider Identifier (NPI) is 1427104462, issued on Jan 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Massimo D'Apuzzo, MD PHD located?
The NPPES record lists a practice address at 1500 E Duarte RD, Duarte, CA, 91010. Phone: (626) 359-8111. Providers update this record themselves, so call before visiting.
How can I verify Massimo D'Apuzzo, MD PHD's license?
NPPES lists California license number A88682, 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.
What is Massimo D'Apuzzo, MD PHD's MIPS final score?
The 2023 MIPS final score is 99.1 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.