Doctor profile · Federal record

Dr. Mackenzie Willman, PA-C

Physician Assistant · Neenah, WI

  • NPI 1881288934
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1265 W American Dr Ste 100
Neenah, WI 549561405
(920) 886-8979

Credentials & registration

NPPES · NUCC
NPI registered
March 2021 — 5 yrs on file
Profile last updated
January 4, 2023
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363A00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881288934. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
361
Distinct HCPCS
7
Medicare allowed
$17,499
HCPCS Description Services Patients Avg allowed
81003 Automated urinalysis test 95 84 $2
51798 Ultrasound measurement of bladder capacity after voiding 77 64 $10
99213 Established patient office or other outpatient visit, 20-29 minutes 74 70 $72
99214 Established patient office or other outpatient visit, 30-39 minutes 72 67 $102
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $133
99203 New patient office or other outpatient visit, 30-44 minutes 12 12 $89
36415 Insertion of needle into vein for collection of blood sample 11 11 $8

In context: peer comparison

Among 14 peers in Neenah Physician Assistant, average services per provider: 271. This provider delivers 1.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 1 $21.45

By nature of payment

Food and Beverage
$21

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
513
Patients
237
Total drug cost
$117,458
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 163 76 $2,670
Myrbetriq (Mirabegron) Brand 139 47 $84,040
Gemtesa (Vibegron) Brand 47 13 $27,640
Cephalexin Generic 38 22 $586
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 31 30 $99
Finasteride Generic 27 13 $254
Ciprofloxacin Hcl Generic 26 24 $159
Oxybutynin Chloride ER (Oxybutynin Chloride) Brand 17 12 $782
Oxybutynin Chloride Generic 13 0 $259
Solifenacin Succinate Generic 12 0 $969

Frequently asked questions

Auto-generated from federal data
What is Dr. Mackenzie Willman's medical specialty?
Dr. Mackenzie Willman practices Physician Assistant in Neenah, WI.
Where does Dr. Mackenzie Willman practice?
Dr. Mackenzie Willman practices at 1265 W American Dr Ste 100, Neenah, WI 549561405. Office phone: 9208868979.
What is Dr. Mackenzie Willman's NPI?
Dr. Mackenzie Willman's National Provider Identifier (NPI) is 1881288934, issued by NPPES.
Does Dr. Mackenzie Willman accept Medicare assignment?
Yes. Dr. Mackenzie Willman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mackenzie Willman commonly perform?
Top Medicare-reported procedures in 2023: Automated urinalysis test (HCPCS 81003); Ultrasound measurement of bladder capacity after voiding (HCPCS 51798); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.