Doctor profile · Federal record

Dr. Mikayla Niswonger, PA-C

Physician Assistant · Milwaukee, WI

  • NPI 1659923795
  • Accepts Medicare
  • MIPS 81.5 / 100 · 2023
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
788 N Jefferson St Ste 401
Milwaukee, WI 532023718
(414) 226-4020
fax (414) 225-2929
Mailing address
788 N Jefferson St Ste 300
Milwaukee, WI 532023710

Credentials & registration

NPPES · NUCC
NPI registered
July 2019 — 7 yrs on file
Profile last updated
August 3, 2021
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363A00000X — NUCC code
Medicaid
WI #1659923795

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659923795. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
157
Distinct HCPCS
4
Medicare allowed
$11,852
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 55 53 $74
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 51 35 $40
99214 Established patient office or other outpatient visit, 30-39 minutes 36 36 $104
99204 New patient office or other outpatient visit, 45-59 minutes 15 15 $135

In context: peer comparison

Among 214 peers in Milwaukee Physician Assistant, average services per provider: 43. This provider delivers 3.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$881
Transactions
18
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 2 $249.54
Abbvie INC. 4 $186.34
Gilead Sciences, INC. 5 $185.33
Ardelyx, INC. 3 $168.01
Takeda Pharmaceuticals U.S.A., INC. 2 $46.37
Phathom Pharmaceuticals, INC. 1 $23.28
Ferring Pharmaceuticals INC. 1 $22.19

By nature of payment

Food and Beverage
$881

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
577
Patients
138
Total drug cost
$72,473
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 159 61 $3,388
Omeprazole Generic 109 41 $2,114
Famotidine Generic 94 36 $1,833
Dexlansoprazole Dr (Dexlansoprazole) Brand 29 0 $10,759
Linzess (Linaclotide) Brand 26 0 $18,307
Lubiprostone Generic 25 0 $10,685
Mirtazapine Generic 22 0 $1,094
Dicyclomine Hcl Generic 17 0 $487
Nortriptyline Hcl Generic 15 0 $213
Budesonide Dr (Budesonide) Brand 14 0 $1,844

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mikayla Niswonger's medical specialty?
Dr. Mikayla Niswonger practices Physician Assistant in Milwaukee, WI.
Where does Dr. Mikayla Niswonger practice?
Dr. Mikayla Niswonger practices at 788 N Jefferson St Ste 401, Milwaukee, WI 532023718. Office phone: 4142264020.
What is Dr. Mikayla Niswonger's NPI?
Dr. Mikayla Niswonger's National Provider Identifier (NPI) is 1659923795, issued by NPPES.
Does Dr. Mikayla Niswonger accept Medicare assignment?
Yes. Dr. Mikayla Niswonger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mikayla Niswonger commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.