Doctor profile · Federal record

Dr. Perka Guenev, M.D.

Family Medicine Physician (CMS: Family Practice) · Janesville, WI

  • NPI 1205934254
  • Accepts Medicare
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3200 E Racine St
Janesville, WI 535462343
(608) 371-8000
fax (608) 371-8945

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
April 29, 2021
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Illinois #036-121159
Medicaid
WI #1205934254

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205934254. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
536
Distinct HCPCS
10
Medicare allowed
$38,464
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 150 140 $86
G0008 Administration of influenza virus vaccine 65 65 $29
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 61 61 $76
99214 Established patient office or other outpatient visit, 30-39 minutes 56 54 $121
99202 New patient office or other outpatient visit, 15-29 minutes 39 39 $68
99212 Established patient office or other outpatient visit, 10-19 minutes 33 33 $53
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 30 14 $61
90480 Admn sarscov2 vacc 1 dose 19 19 $39
91320 Sarscv2 vac 30mcg trs-suc im 19 19 $128
99203 New patient office or other outpatient visit, 30-44 minutes 19 19 $106

In context: peer comparison

Among 13 peers in this city , average services per provider: 61. This provider delivers 8.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
382
Patients
365
Total drug cost
$3,015
Drug Type Claims Patients Total cost
Prednisone Generic 68 68 $197
Doxycycline Hyclate Generic 64 64 $807
Azithromycin Generic 59 58 $257
Ciprofloxacin Hcl Generic 42 41 $233
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 28 28 $287
Clindamycin Hcl Generic 28 26 $211
Cephalexin Generic 21 20 $115
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 14 14 $149
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 14 13 $46
Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) Brand 11 11 $403

Frequently asked questions

Auto-generated from federal data
What is Dr. Perka Guenev's medical specialty?
Dr. Perka Guenev practices Family Medicine Physician in Janesville, WI.
Where does Dr. Perka Guenev practice?
Dr. Perka Guenev practices at 3200 E Racine St, Janesville, WI 535462343. Office phone: 6083718000.
What is Dr. Perka Guenev's NPI?
Dr. Perka Guenev's National Provider Identifier (NPI) is 1205934254, issued by NPPES.
Does Dr. Perka Guenev accept Medicare assignment?
Yes. Dr. Perka Guenev accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Perka Guenev commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Administration of influenza virus vaccine (HCPCS G0008); Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage (HCPCS 90694). Source: CMS Medicare Physician & Other Practitioners file.