Doctor profile · Federal record
Dr. Theresa Ryan, M.D.
Hematology & Oncology Physician (CMS: Medical Oncology) · New York, NY
- NPI 1598766503
- Accepts Medicare
- MIPS 84.5 / 100 · 2023
- 30 yrs in practice
- Female
- No sanctions
Practice & contact
- Primary practice
-
160 E 34Th St, 9Th Fl.
New York, NY 100164750
(212) 731-5430
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- New York #213963
- Medicaid
- NY #02405989
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598766503. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
197
Distinct HCPCS
3
Medicare allowed
$18,254
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 84 | 45 | $90 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 59 | 41 | $57 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 54 | 29 | $135 |
In context: peer comparison
Among 103 peers in this city , average services per provider: 411. This provider delivers 0.5× the peer median.Open Payments
Industry payments received
All-time total
$5,960
Transactions
37
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 4 | $5,302.50 | |
| Boston Scientific Corporation | 33 | $657.79 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Theresa Ryan's medical specialty?
Dr. Theresa Ryan practices Hematology & Oncology Physician in New York, NY.
Where does Dr. Theresa Ryan practice?
Dr. Theresa Ryan practices at 160 E 34Th St, New York, NY 100164750. Office phone: 2127315430.
What is Dr. Theresa Ryan's NPI?
Dr. Theresa Ryan's National Provider Identifier (NPI) is 1598766503, issued by NPPES.
Does Dr. Theresa Ryan accept Medicare assignment?
Yes. Dr. Theresa Ryan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Theresa Ryan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.