Doctor profile · Federal record

Dr. Simon Mates, MD, MPH

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Critical Care Medicine (Internal Medicine) Physician · New York, NY

  • NPI 1942563408
  • Accepts Medicare
  • 14 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Gustave L Levy Pl # 1264
New York, NY 100296504
(212) 241-8867
Mailing address
1 Gustave L Levy Pl, Box 1264
New York, NY 100296504

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
April 5, 2018
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (2)
California #155147 · Maryland #D0079701

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942563408. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
185
Distinct HCPCS
3
Medicare allowed
$38,103
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 158 85 $222
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 14 14 $83
31500 Emergent insertion of breathing tube into windpipe using an endoscope 13 12 $144

In context: peer comparison

Among 45 peers in this city , average services per provider: 82. This provider delivers 2.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Simon Mates's medical specialty?
Dr. Simon Mates practices Critical Care Medicine (Internal Medicine) Physician in New York, NY.
Where does Dr. Simon Mates practice?
Dr. Simon Mates practices at 1 Gustave L Levy Pl # 1264, New York, NY 100296504. Office phone: 2122418867.
What is Dr. Simon Mates's NPI?
Dr. Simon Mates's National Provider Identifier (NPI) is 1942563408, issued by NPPES.
Does Dr. Simon Mates accept Medicare assignment?
Yes. Dr. Simon Mates accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Simon Mates commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Emergent insertion of breathing tube into windpipe using an endoscope (HCPCS 31500). Source: CMS Medicare Physician & Other Practitioners file.