Doctor profile · Federal record

Dr. Massimo D'Apuzzo, MD PHD

Neuropathology Physician (CMS: Pathology) · Anatomic Pathology Physician · Duarte, CA

  • NPI 1427104462
  • Accepts Medicare
  • MIPS 91.9 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 E Duarte RD
Duarte, CA 91010
(626) 359-8111
Mailing address
Po Box 512185
Los Angeles, CA 900510185

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
December 7, 2020
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207ZN0500X — NUCC code
State license (1)
California #A88682

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427104462. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,300
Distinct HCPCS
10
Medicare allowed
$188,749
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 1,269 421 $39
88341 Special stained specimen slides to examine tissue, each additional procedure 1,209 245 $29
88342 Special stained specimen slides to examine tissue, initial procedure 608 384 $36
88307 Pathology examination of tissue using a microscope, moderately high complexity 307 146 $86
88321 Surgical pathology consultation and report on referred slides prepared elsewhere 264 260 $88
88360 Microscopic genetic analysis of tumor, manual 157 88 $44
88312 Special stained specimen slides to identify organisms including interpretation and report 152 98 $28
88309 Pathology examination of tissue using a microscope, high complexity 96 60 $151
88331 Pathology examination of specimen during surgery, first tissue block 57 36 $65
88313 Special stained specimen slides to examine tissue including interpretation and report 41 25 $13

In context: peer comparison

Among 1 peers in Duarte Neuropathology Physician, average services per provider: 286. This provider delivers 15× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Massimo D'Apuzzo's medical specialty?
Dr. Massimo D'Apuzzo practices Neuropathology Physician in Duarte, CA.
Where does Dr. Massimo D'Apuzzo practice?
Dr. Massimo D'Apuzzo practices at 1500 E Duarte RD, Duarte, CA 91010. Office phone: 6263598111.
What is Dr. Massimo D'Apuzzo's NPI?
Dr. Massimo D'Apuzzo's National Provider Identifier (NPI) is 1427104462, issued by NPPES.
Does Dr. Massimo D'Apuzzo accept Medicare assignment?
Yes. Dr. Massimo D'Apuzzo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Massimo D'Apuzzo commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.