Doctor profile · Federal record

Dr. Karen Brown, NP

Nurse Practitioner · Buffalo, NY

  • NPI 1659354611
  • Accepts Medicare
  • MIPS 91.9 / 100 · 2023
  • 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
November 2005 — 21 yrs on file
Profile last updated
December 26, 2024
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
New York #F332043
Medicaid
NY #01878591

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659354611. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
30
Distinct HCPCS
2
Medicare allowed
$1,553
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 16 15 $5
99214 Established patient office or other outpatient visit, 30-39 minutes 14 13 $105

In context: peer comparison

Among 52 peers in Buffalo Nurse Practitioner, average services per provider: 67. This provider delivers 0.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,355
Patients
376
Total drug cost
$3,339,891
Drug Type Claims Patients Total cost
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 393 53 $1,600,489
Atorvastatin Calcium Generic 269 46 $2,362
Gabapentin Generic 220 32 $2,736
Tivicay (Dolutegravir Sodium) Brand 198 29 $441,534
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 152 40 $5,418
Metoprolol Succinate Generic 131 19 $1,383
Symtuza (Darunavir/Cob/Emtri/Tenof Alaf) Brand 129 19 $631,563
Descovy (Emtricitabine/Tenofov Alafenam) Brand 127 16 $287,385
Tamsulosin Hcl Generic 125 22 $1,309
Lisinopril Generic 111 22 $727

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Brown's medical specialty?
Dr. Karen Brown practices Nurse Practitioner in Buffalo, NY.
Where does Dr. Karen Brown practice?
Dr. Karen Brown practices at Elm and Carlton St, Buffalo, NY 142630001. Office phone: 7168452300.
What is Dr. Karen Brown's NPI?
Dr. Karen Brown's National Provider Identifier (NPI) is 1659354611, issued by NPPES.
Does Dr. Karen Brown accept Medicare assignment?
Yes. Dr. Karen Brown accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Brown commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.