Doctor profile · Federal record

Dr. Michael Nielsen, MHS, PAC

Physician Assistant · Medical Physician Assistant · Madison, WI

  • NPI 1578794897
  • Accepts Medicare
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2402 Winnebago St
Madison, WI 537045341
(608) 287-2832
Additional location
5330 W Villard Ave
Milwaukee, WI 532184345
(414) 463-9159
fax (414) 831-0422
Mailing address
7974 Uw Health CT
Middleton, WI 535625531

Credentials & registration

NPPES · NUCC
NPI registered
August 2009 — 17 yrs on file
Profile last updated
June 6, 2023
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
363A00000X — NUCC code
State licenses (2)
Wisconsin #2459 · Wisconsin #2459-023

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578794897. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
252
Distinct HCPCS
6
Medicare allowed
$24,857
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 108 98 $138
99284 Emergency department visit with moderate level of medical decision making 50 50 $95
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 42 40 $7
99214 Established patient office or other outpatient visit, 30-39 minutes 20 20 $78
99214 Established patient office or other outpatient visit, 30-39 minutes 20 20 $102
99204 New patient office or other outpatient visit, 45-59 minutes 12 12 $106

In context: peer comparison

Among 114 peers in Madison Physician Assistant, average services per provider: 113. This provider delivers 2.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
144
Patients
143
Total drug cost
$1,056
Drug Type Claims Patients Total cost
Prednisone Generic 40 39 $94
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 33 33 $114
Cephalexin Generic 26 26 $227
Doxycycline Monohydrate Generic 19 19 $502
Azithromycin Generic 15 15 $73
Ondansetron Odt (Ondansetron) Brand 11 11 $46

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Nielsen's medical specialty?
Dr. Michael Nielsen practices Physician Assistant in Madison, WI.
Where does Dr. Michael Nielsen practice?
Dr. Michael Nielsen practices at 2402 Winnebago St, Madison, WI 537045341. Office phone: 6082872832.
What is Dr. Michael Nielsen's NPI?
Dr. Michael Nielsen's National Provider Identifier (NPI) is 1578794897, issued by NPPES.
Does Dr. Michael Nielsen accept Medicare assignment?
Yes. Dr. Michael Nielsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Nielsen commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.