Doctor profile · Federal record

Dr. Alexandra Karnyski, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Rochester, NY

  • NPI 1013535913
  • Accepts Medicare
  • MIPS 87.1 / 100 · 2023
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
158 Sawgrass Dr
Rochester, NY 146204648
(585) 275-2838

Credentials & registration

NPPES · NUCC
NPI registered
July 2020 — 6 yrs on file
Profile last updated
July 3, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
New York #346114

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013535913. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
96
Distinct HCPCS
3
Medicare allowed
$6,488
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 63 43 $55
99204 New patient office or other outpatient visit, 45-59 minutes 19 19 $110
99203 New patient office or other outpatient visit, 30-44 minutes 14 14 $68

In context: peer comparison

Among 141 peers in Rochester Family Nurse Practitioner, average services per provider: 49. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
669
Patients
285
Total drug cost
$98,334
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 143 49 $2,231
Solifenacin Succinate Generic 75 25 $5,884
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 67 50 $1,274
Myrbetriq (Mirabegron) Brand 58 29 $46,233
Estradiol Generic 57 40 $5,795
Alfuzosin Hcl ER (Alfuzosin Hcl) Brand 46 0 $632
Gemtesa (Vibegron) Brand 42 15 $26,650
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 38 34 $182
Finasteride Generic 29 0 $326
Trospium Chloride ER (Trospium Chloride) Brand 29 14 $6,498

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexandra Karnyski's medical specialty?
Dr. Alexandra Karnyski practices Family Nurse Practitioner in Rochester, NY.
Where does Dr. Alexandra Karnyski practice?
Dr. Alexandra Karnyski practices at 158 Sawgrass Dr, Rochester, NY 146204648. Office phone: 5852752838.
What is Dr. Alexandra Karnyski's NPI?
Dr. Alexandra Karnyski's National Provider Identifier (NPI) is 1013535913, issued by NPPES.
Does Dr. Alexandra Karnyski accept Medicare assignment?
Yes. Dr. Alexandra Karnyski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexandra Karnyski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.