Doctor profile · Federal record
Dr. Nicholas Guan, MD
Psychiatry Physician (CMS: Psychiatry) · Geriatric Psychiatry Physician · New York, NY
- NPI 1558503334
- Accepts Medicare
- 44 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
391 E 10Th St, Unit E
New York, NY 100094770
(212) 961-7446 - Mailing address
-
217 E 7Th St, Unit 2B
New York, NY 100095986
Credentials & registration
- NPI registered
- March 2009 — 17 yrs on file
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- New York #252258
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558503334. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
687
Distinct HCPCS
4
Medicare allowed
$52,249
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90833 |
Psychotherapy with evaluation and management visit, 30 minutes | 266 | 41 | $76 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 263 | 39 | $103 | |
90785 |
Psychiatric services complicated by communication factor | 128 | 20 | $16 | |
90836 |
Psychotherapy with evaluation and management visit, 45 minutes | 30 | 11 | $96 |
In context: peer comparison
Among 203 peers in New York Psychiatry Physician, average services per provider: 149. This provider delivers 4.6× the peer median.Open Payments
Industry payments received
All-time total
$3,620
Transactions
106
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Neurocrine Biosciences, INC. | 30 | $1,142.07 | |
| Axsome Therapeutics, INC. | 12 | $542.72 | |
| Abbvie INC. | 19 | $538.15 | |
| Alkermes, INC. | 14 | $485.38 | |
| Otsuka America Pharmaceutical, INC. | 7 | $341.37 | |
| Janssen Pharmaceuticals, INC | 7 | $171.41 | |
| Lundbeck LLC | 7 | $154.70 | |
| Almatica Pharma LLC | 4 | $97.39 | |
| Takeda Pharmaceuticals U.S.A., INC. | 3 | $65.91 | |
| Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) | 2 | $59.45 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $21.53 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,131
Patients
654
Total drug cost
$67,183
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trazodone Hcl | Generic | 686 | 98 | $9,875 |
| Quetiapine Fumarate | Generic | 498 | 74 | $15,160 |
| Olanzapine | Generic | 400 | 63 | $10,717 |
| Sertraline Hcl | Generic | 357 | 57 | $2,813 |
| Mirtazapine | Generic | 335 | 52 | $4,745 |
| Clonazepam | Generic | 255 | 59 | $2,333 |
| Donepezil Hcl | Generic | 250 | 40 | $3,144 |
| Gabapentin | Generic | 237 | 30 | $2,878 |
| Fluoxetine Hcl | Generic | 231 | 28 | $2,024 |
| Escitalopram Oxalate | Generic | 181 | 22 | $1,928 |
Frequently asked questions
What is Dr. Nicholas Guan's medical specialty?
Dr. Nicholas Guan practices Psychiatry Physician in New York, NY.
Where does Dr. Nicholas Guan practice?
Dr. Nicholas Guan practices at 391 E 10Th St, New York, NY 100094770. Office phone: 2129617446.
What is Dr. Nicholas Guan's NPI?
Dr. Nicholas Guan's National Provider Identifier (NPI) is 1558503334, issued by NPPES.
Does Dr. Nicholas Guan accept Medicare assignment?
Yes. Dr. Nicholas Guan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Guan commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy with evaluation and management visit (HCPCS 90833); Established patient office or other outpatient visit (HCPCS 99213); Psychiatric services complicated by communication factor (HCPCS 90785). Source: CMS Medicare Physician & Other Practitioners file.