Doctor profile · Federal record
Dr. William Flynn, M.D.
Surgery Physician (CMS: General Surgery) · Trauma Surgery Physician · Buffalo, NY
- NPI 1578586293
- Accepts Medicare
- MIPS 80.0 / 100 · 2023
- 43 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
462 Grider St, Dept of Surgery
Buffalo, NY 142153021
(716) 898-5186
fax (716) 898-3194 - Mailing address
-
Po Box 8000 Dept 313, University at Buffalo Surgeons, INC
Buffalo, NY 142670002
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- March 26, 2014
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- New York #161806
- Medicaid
- NY #01260851
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578586293. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
333
Distinct HCPCS
7
Medicare allowed
$32,523
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 128 | 61 | $76 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 96 | 29 | $114 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 38 | 36 | $125 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 27 | 27 | $79 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 18 | 18 | $167 | |
99238 |
Hospital discharge day management, 30 minutes or less | 14 | 14 | $78 | |
99283 |
Emergency department visit with low level of medical decision making | 12 | 12 | $69 |
In context: peer comparison
Among 14 peers in Buffalo Surgery Physician, average services per provider: 37. This provider delivers 9.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
24
Patients
24
Total drug cost
$61
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 24 | 24 | $61 |
Frequently asked questions
What is Dr. William Flynn's medical specialty?
Dr. William Flynn practices Surgery Physician in Buffalo, NY.
Where does Dr. William Flynn practice?
Dr. William Flynn practices at 462 Grider St, Buffalo, NY 142153021. Office phone: 7168985186.
What is Dr. William Flynn's NPI?
Dr. William Flynn's National Provider Identifier (NPI) is 1578586293, issued by NPPES.
Does Dr. William Flynn accept Medicare assignment?
Yes. Dr. William Flynn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Flynn commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.