Doctor profile · Federal record

Dr. Peter Harnish, MD

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

  • NPI 1194777599
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1821 S Stoughton RD
Madison, WI 537162257
(608) 260-6000
fax (608) 260-6366

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
November 23, 2020
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Wisconsin #41405-020
Medicaid
WI #1194777599

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194777599. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,591
Distinct HCPCS
10
Medicare allowed
$99,951
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 494 273 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 221 173 $86
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 189 189 $124
99214 Established patient office or other outpatient visit, 30-39 minutes 185 156 $119
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 83 70 $8
G0008 Administration of influenza virus vaccine 52 51 $29
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 44 43 $75
G0108 Diabetes outpatient self-management training services, individual, per 30 minutes 43 29 $53
81001 Manual urinalysis test with examination using microscope, automated 37 32 $3
G0009 Administration of pneumococcal vaccine 37 37 $29

In context: peer comparison

Among 72 peers in this city , average services per provider: 52. This provider delivers 31× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,259
Patients
823
Total drug cost
$49,063
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 603 150 $7,804
Omeprazole Generic 378 92 $6,564
Amlodipine Besylate Generic 261 76 $2,672
Lisinopril Generic 220 56 $2,451
Simvastatin Generic 210 54 $2,421
Levothyroxine Sodium Generic 201 44 $3,302
Metformin Hcl Er (Metformin Hcl) Brand 198 44 $2,846
Enalapril Maleate Generic 188 47 $3,849
Metoprolol Tartrate Generic 179 41 $1,751
Metformin Hcl Generic 156 35 $1,841

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Harnish's medical specialty?
Dr. Peter Harnish practices Family Medicine Physician in Madison, WI.
Where does Dr. Peter Harnish practice?
Dr. Peter Harnish practices at 1821 S Stoughton RD, Madison, WI 537162257. Office phone: 6082606000.
What is Dr. Peter Harnish's NPI?
Dr. Peter Harnish's National Provider Identifier (NPI) is 1194777599, issued by NPPES.
Does Dr. Peter Harnish accept Medicare assignment?
Yes. Dr. Peter Harnish accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Harnish 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 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.