Doctor profile · Federal record

Dr. Karen Pfentner, NP

Nurse Practitioner · Adult Health Nurse Practitioner · Buffalo, NY

  • NPI 1467435594
  • Accepts Medicare
  • 24 yrs in practice
  • Female
  • 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) 845-1004

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
February 3, 2021
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
New York #F333676

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1467435594. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
90
Distinct HCPCS
4
Medicare allowed
$7,457
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 32 32 $80
99213 Established patient office or other outpatient visit, 20-29 minutes 28 28 $54
99215 Established patient office or other outpatient visit, 40-54 minutes 18 15 $117
99204 New patient office or other outpatient visit, 45-59 minutes 12 12 $108

In context: peer comparison

Among 52 peers in Buffalo Nurse Practitioner, average services per provider: 67. This provider delivers 1.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
17
Patients
11
Total drug cost
$101
Drug Type Claims Patients Total cost
Gabapentin Generic 17 11 $101

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Pfentner's medical specialty?
Dr. Karen Pfentner practices Nurse Practitioner in Buffalo, NY.
Where does Dr. Karen Pfentner practice?
Dr. Karen Pfentner practices at Elm and Carlton St, Buffalo, NY 14263. Office phone: 7168452300.
What is Dr. Karen Pfentner's NPI?
Dr. Karen Pfentner's National Provider Identifier (NPI) is 1467435594, issued by NPPES.
Does Dr. Karen Pfentner accept Medicare assignment?
Yes. Dr. Karen Pfentner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Pfentner commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.