Doctor profile · Federal record

Dr. Oliver Diaz, ACNP

Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · New York, NY

  • NPI 1215110267
  • Accepts Medicare
  • MIPS 93.4 / 100 · 2023
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
622 W 168Th St
New York, NY 100323720
(646) 317-4570

Credentials & registration

NPPES · NUCC
NPI registered
December 2007 — 19 yrs on file
Profile last updated
March 18, 2023
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
363LA2100X — NUCC code
State license (1)
New York #430373

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215110267. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
176
Distinct HCPCS
3
Medicare allowed
$30,268
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 118 60 $208
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 34 26 $115
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 24 18 $77

In context: peer comparison

Among 81 peers in this city , average services per provider: 70. This provider delivers 2.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Oliver Diaz's medical specialty?
Dr. Oliver Diaz practices Acute Care Nurse Practitioner in New York, NY.
Where does Dr. Oliver Diaz practice?
Dr. Oliver Diaz practices at 622 W 168Th St, New York, NY 100323720. Office phone: 6463174570.
What is Dr. Oliver Diaz's NPI?
Dr. Oliver Diaz's National Provider Identifier (NPI) is 1215110267, issued by NPPES.
Does Dr. Oliver Diaz accept Medicare assignment?
Yes. Dr. Oliver Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Oliver Diaz commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.