Doctor profile · Federal record
Dr. Marc Siebert, NP
Nurse Practitioner · Adult Health Nurse Practitioner · Buffalo, NY
- NPI 1932536240
- Accepts Medicare
- MIPS 80.0 / 100 · 2023
- 13 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
462 Grider St
Buffalo, NY 14215
(716) 898-3000 - Mailing address
-
8641 Highland Dr
Eden, NY 140579502
Credentials & registration
- NPI registered
- October 2013 — 13 yrs on file
- Profile last updated
- February 10, 2021
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State licenses (2)
- New York #F306570 · New York #F306570-1
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1932536240. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
249
Distinct HCPCS
3
Medicare allowed
$25,110
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 204 | 14 | $97 | |
99291 |
Critical care, first 30-74 minutes | 24 | 18 | $174 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 21 | 11 | $53 |
In context: peer comparison
Among 52 peers in Buffalo Nurse Practitioner, average services per provider: 67. This provider delivers 3.7× the peer median.Frequently asked questions
What is Dr. Marc Siebert's medical specialty?
Dr. Marc Siebert practices Nurse Practitioner in Buffalo, NY.
Where does Dr. Marc Siebert practice?
Dr. Marc Siebert practices at 462 Grider St, Buffalo, NY 14215. Office phone: 7168983000.
What is Dr. Marc Siebert's NPI?
Dr. Marc Siebert's National Provider Identifier (NPI) is 1932536240, issued by NPPES.
Does Dr. Marc Siebert accept Medicare assignment?
Yes. Dr. Marc Siebert accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marc Siebert commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.