Doctor profile · Federal record

Dr. Timothy Sullivan, M.D.

Infectious Disease Physician (CMS: Internal Medicine) · Internal Medicine Physician · New York, NY

  • NPI 1811139702
  • Accepts Medicare
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
1 Gustave L Levy Pl
New York, NY 100296504
(212) 241-6741
Additional location
1000 10Th Ave
New York, NY 100191147
(212) 523-6500
Additional location
1111 Amsterdam Ave
New York, NY 100251716
(212) 523-6500
Show 2 more locations
Additional location
275 7Th Ave
New York, NY 100016708
(212) 604-1701
Additional location
5 E 98Th St
New York, NY 100296501
(212) 523-6500

Credentials & registration

NPPES · NUCC
NPI registered
March 2009 — 17 yrs on file
Profile last updated
March 6, 2019
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
New York #261988

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811139702. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
425
Distinct HCPCS
5
Medicare allowed
$59,538
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 282 92 $136
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 56 55 $198
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 51 30 $90
99215 Established patient office or other outpatient visit, 40-54 minutes 20 12 $163
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 16 16 $149

In context: peer comparison

Among 97 peers in New York Infectious Disease Physician, average services per provider: 91. This provider delivers 4.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
15
Patients
0
Total drug cost
$139
Drug Type Claims Patients Total cost
Isoniazid Generic 15 0 $139

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Sullivan's medical specialty?
Dr. Timothy Sullivan practices Infectious Disease Physician in New York, NY.
Where does Dr. Timothy Sullivan practice?
Dr. Timothy Sullivan practices at 1 Gustave L Levy Pl, New York, NY 100296504. Office phone: 2122416741.
What is Dr. Timothy Sullivan's NPI?
Dr. Timothy Sullivan's National Provider Identifier (NPI) is 1811139702, issued by NPPES.
Does Dr. Timothy Sullivan accept Medicare assignment?
Yes. Dr. Timothy Sullivan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Sullivan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.