Doctor profile · Federal record
Dr. Stephen Sullivan, MD
Psychiatry Physician (CMS: Psychiatry) · Tarrytown, NY
- NPI 1891738597
- Accepts Medicare
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
120 White Plains RD Ste 420
Tarrytown, NY 105915522
(914) 909-5838
fax (914) 909-5840 - Additional location
-
100 Woods RD.
Valhalla, NY 10595
(914) 493-7124
fax (914) 493-1015
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- October 31, 2025
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- New York #219553
- Medicaid
- NY #02328843
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891738597. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
621
Distinct HCPCS
3
Medicare allowed
$92,226
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 566 | 92 | $148 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 39 | 15 | $105 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 16 | 16 | $257 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 160. This provider delivers 3.9× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | 1 | $20.34 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,229
Patients
216
Total drug cost
$28,515
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Clonazepam | Generic | 197 | 35 | $1,919 |
| Escitalopram Oxalate | Generic | 169 | 33 | $2,870 |
| Duloxetine Hcl | Generic | 100 | 21 | $3,802 |
| Zolpidem Tartrate | Generic | 93 | 12 | $535 |
| Quetiapine Fumarate | Generic | 90 | 14 | $2,321 |
| Sertraline Hcl | Generic | 87 | 19 | $1,164 |
| Bupropion Xl (Bupropion Hcl) | Brand | 75 | 17 | $3,901 |
| Trazodone Hcl | Generic | 70 | 19 | $1,824 |
| Venlafaxine Hcl Er (Venlafaxine Hcl) | Brand | 67 | 15 | $2,555 |
| Aripiprazole | Generic | 62 | 16 | $3,733 |
Frequently asked questions
What is Dr. Stephen Sullivan's medical specialty?
Dr. Stephen Sullivan practices Psychiatry Physician in Tarrytown, NY.
Where does Dr. Stephen Sullivan practice?
Dr. Stephen Sullivan practices at 120 White Plains RD Ste 420, Tarrytown, NY 105915522. Office phone: 9149095838.
What is Dr. Stephen Sullivan's NPI?
Dr. Stephen Sullivan's National Provider Identifier (NPI) is 1891738597, issued by NPPES.
Does Dr. Stephen Sullivan accept Medicare assignment?
Yes. Dr. Stephen Sullivan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Sullivan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.