Doctor profile · Federal record
Dr. William Greissinger, DO
Emergency Medicine Physician · Erie, PA
- NPI 1194700641
- 21 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
4950 Buffalo RD
Erie, PA 165102304
(814) 898-2576 - Additional location
-
232 W 25Th St
Erie, PA 165440002
(814) 452-5000
fax (814) 452-5442 - Additional location
-
4247 W Ridge RD Ste 101
Erie, PA 165061746
(814) 835-2580
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- October 6, 2020
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Pennsylvania #OS008805L
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1194700641. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
334
Distinct HCPCS
3
Medicare allowed
$55,233
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 220 | 209 | $164 | |
99291 |
Critical care, first 30-74 minutes | 66 | 65 | $204 | |
99284 |
Emergency department visit with moderate level of medical decision making | 48 | 46 | $118 |
In context: peer comparison
Among 43 peers in this city , average services per provider: 98. This provider delivers 3.4× the peer median.Open Payments
Industry payments received
All-time total
$119
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Inari Medical, Inc. | 1 | $98.63 | |
| CSL Behring | 1 | $20.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
33
Patients
32
Total drug cost
$174
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 19 | 19 | $79 |
| Cephalexin | Generic | 14 | 13 | $95 |
Frequently asked questions
What is Dr. William Greissinger's medical specialty?
Dr. William Greissinger practices Emergency Medicine Physician in Erie, PA.
Where does Dr. William Greissinger practice?
Dr. William Greissinger practices at 4950 Buffalo RD, Erie, PA 165102304. Office phone: 8148982576.
What is Dr. William Greissinger's NPI?
Dr. William Greissinger's National Provider Identifier (NPI) is 1194700641, issued by NPPES.
What procedures does Dr. William Greissinger commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.