Doctor profile · Federal record

Dr. Peggy Stefanski, ANP-BC

Nurse Practitioner · Adult Health Nurse Practitioner · Buffalo, NY

  • NPI 1518611938
  • Accepts Medicare
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Elm and Carlton St
Buffalo, NY 142630001
(716) 845-2300

Credentials & registration

NPPES · NUCC
NPI registered
February 2022 — 4 yrs on file
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
New York #F310056-01

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518611938. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
314
Distinct HCPCS
6
Medicare allowed
$24,370
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 81 65 $113
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 75 25 $97
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 47 19 $65
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 39 25 $25
99214 Established patient office or other outpatient visit, 30-39 minutes 38 26 $80
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th 34 12 $25

In context: peer comparison

Among 52 peers in Buffalo Nurse Practitioner, average services per provider: 67. This provider delivers 4.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
484
Patients
122
Total drug cost
$1,558,241
Drug Type Claims Patients Total cost
Jakafi (Ruxolitinib Phosphate) Brand 59 12 $930,178
Acyclovir Generic 56 24 $707
Levofloxacin Generic 51 22 $433
Potassium Chloride Generic 45 17 $662
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 36 11 $236
Posaconazole Generic 35 17 $94,409
Bosulif (Bosutinib) Brand 31 0 $310,037
Ondansetron Hcl Generic 31 19 $528
Pantoprazole Sodium Generic 29 0 $427
Allopurinol Generic 26 0 $236

Frequently asked questions

Auto-generated from federal data
What is Dr. Peggy Stefanski's medical specialty?
Dr. Peggy Stefanski practices Nurse Practitioner in Buffalo, NY.
Where does Dr. Peggy Stefanski practice?
Dr. Peggy Stefanski practices at Elm and Carlton St, Buffalo, NY 142630001. Office phone: 7168452300.
What is Dr. Peggy Stefanski's NPI?
Dr. Peggy Stefanski's National Provider Identifier (NPI) is 1518611938, issued by NPPES.
Does Dr. Peggy Stefanski accept Medicare assignment?
Yes. Dr. Peggy Stefanski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peggy Stefanski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.