Doctor profile · Federal record

Dr. Patricia Nahn, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Janesville, WI

  • NPI 1740348200
  • Accepts Medicare
  • 38 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 Mineral Point Ave
Janesville, WI 535482940
(608) 756-6000

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Wisconsin #36855
Medicaid
WI #32255600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740348200. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
56
Distinct HCPCS
3
Medicare allowed
$2,328
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 33 31 $33
99202 New patient office or other outpatient visit, 15-29 minutes 12 12 $46
99213 Established patient office or other outpatient visit, 20-29 minutes 11 11 $63

In context: peer comparison

Among 4 peers in this city , average services per provider: 31. This provider delivers 1.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
29
Patients
0
Total drug cost
$4,054
Drug Type Claims Patients Total cost
Estradiol Generic 29 0 $4,054

Frequently asked questions

Auto-generated from federal data
What is Dr. Patricia Nahn's medical specialty?
Dr. Patricia Nahn practices Obstetrics & Gynecology Physician in Janesville, WI.
Where does Dr. Patricia Nahn practice?
Dr. Patricia Nahn practices at 1000 Mineral Point Ave, Janesville, WI 535482940. Office phone: 6087566000.
What is Dr. Patricia Nahn's NPI?
Dr. Patricia Nahn's National Provider Identifier (NPI) is 1740348200, issued by NPPES.
Does Dr. Patricia Nahn accept Medicare assignment?
Yes. Dr. Patricia Nahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patricia Nahn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); New patient office or other outpatient visit (HCPCS 99202); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.