Doctor profile · Federal record
Dr. Mark Sullivan, M.D.
Psychiatry Physician (CMS: Psychiatry) · New York, NY
- NPI 1386098762
- Accepts Medicare
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
525 E 68Th St
New York, NY 100654870
(888) 694-5700 - Mailing address
-
1051 Riverside Dr
New York, NY 100321007
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- August 26, 2020
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- New York #290047
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386098762. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
123
Distinct HCPCS
1
Medicare allowed
$7,117
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 123 | 11 | $58 |
In context: peer comparison
Among 203 peers in New York Psychiatry Physician, average services per provider: 149. This provider delivers 0.8× the peer median.Frequently asked questions
What is Dr. Mark Sullivan's medical specialty?
Dr. Mark Sullivan practices Psychiatry Physician in New York, NY.
Where does Dr. Mark Sullivan practice?
Dr. Mark Sullivan practices at 525 E 68Th St, New York, NY 100654870. Office phone: 8886945700.
What is Dr. Mark Sullivan's NPI?
Dr. Mark Sullivan's National Provider Identifier (NPI) is 1386098762, issued by NPPES.
Does Dr. Mark Sullivan accept Medicare assignment?
Yes. Dr. Mark Sullivan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Sullivan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.