Doctor profile · Federal record
Dr. Evan Siau, M.D.
Hospitalist Physician (CMS: Hospitalist) · New York, NY
- NPI 1205217973
- Accepts Medicare
- 14 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 5 locations .
- Primary practice
-
1St Avenue at 16Th Street
New York, NY 10003
(212) 844-1808 - Additional location
-
10 Union Sq E
New York, NY 100033314 - Additional location
-
281 1St Ave
New York, NY 100032925 - Additional location
-
350 E 17Th St
New York, NY 100033805
(212) 420-4056 - Additional location
-
4422 3Rd Ave Bldg 3, Department of Internal Medicine
Bronx, NY 104572545
(718) 960-9000 - Mailing address
-
350 E 17Th St, Fl 19, Suite 50
New York, NY 100033805
Show 2 more locations
Credentials & registration
- NPI registered
- June 2015 — 11 yrs on file
- Profile last updated
- August 4, 2023
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- New York #299726
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205217973. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
491
Distinct HCPCS
4
Medicare allowed
$64,562
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 245 | 90 | $136 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 131 | 65 | $90 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 67 | 66 | $198 | |
99239 |
Hospital discharge day management, more than 30 minutes | 48 | 46 | $131 |
In context: peer comparison
Among 190 peers in this city , average services per provider: 97. This provider delivers 5.1× the peer median.Open Payments
Industry payments received
All-time total
$28
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 1 | $27.77 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Evan Siau's medical specialty?
Dr. Evan Siau practices Hospitalist Physician in New York, NY.
Where does Dr. Evan Siau practice?
Dr. Evan Siau practices at 1St Avenue at 16Th Street, New York, NY 10003. Office phone: 2128441808.
What is Dr. Evan Siau's NPI?
Dr. Evan Siau's National Provider Identifier (NPI) is 1205217973, issued by NPPES.
Does Dr. Evan Siau accept Medicare assignment?
Yes. Dr. Evan Siau accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Evan Siau commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.