Doctor profile · Federal record

Dr. Marcus Sikorski, NP

Nurse Practitioner · Adult Health Nurse Practitioner · Buffalo, NY

  • NPI 1700869575
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Elm and Carlton St
Buffalo, NY 14263
(716) 845-2300
fax (716) 845-8773

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
July 2, 2018
Specialty taxonomy
363L00000X — NUCC code
State license (1)
New York #F302898

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700869575. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11
Distinct HCPCS
1
Medicare allowed
$1,182
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 11 11 $107

In context: peer comparison

Among 52 peers in Buffalo Nurse Practitioner, average services per provider: 67. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,177
Transactions
18
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 3 $361.96
AstraZeneca Pharmaceuticals Lp 2 $249.98
Daiichi Sankyo INC. 2 $248.99
Pfizer INC. 2 $207.86
Abbott Laboratories 1 $158.01
E.R. Squibb & Sons, L.L.C. 1 $134.92
Bayer Healthcare Pharmaceuticals INC. 1 $125.93
BeiGene USA, INC. 1 $125.00
Sanofi-Aventis U.S. LLC 1 $124.99
Jazz Pharmaceuticals INC. 1 $124.89
Lilly USA, LLC 1 $115.49
Corcept Therapeutics 1 $115.00
Emd Serono, INC. 1 $83.64

By nature of payment

Food and Beverage
$2,177

Frequently asked questions

Auto-generated from federal data
What is Dr. Marcus Sikorski's medical specialty?
Dr. Marcus Sikorski practices Nurse Practitioner in Buffalo, NY.
Where does Dr. Marcus Sikorski practice?
Dr. Marcus Sikorski practices at Elm and Carlton St, Buffalo, NY 14263. Office phone: 7168452300.
What is Dr. Marcus Sikorski's NPI?
Dr. Marcus Sikorski's National Provider Identifier (NPI) is 1700869575, issued by NPPES.
What procedures does Dr. Marcus Sikorski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.