Doctor profile · Federal record

Dr. Mackenzie Guigar, PA-C

Physician Assistant · Grand Rapids, MI

  • NPI 1528773033
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
426 Michigan St Ne
Grand Rapids, MI 495035609
(616) 267-8338
Mailing address
100 Michigan St Ne, Mc 845
Grand Rapids, MI 495032560

Credentials & registration

NPPES · NUCC
NPI registered
January 2023 — 3 yrs on file
Profile last updated
November 10, 2025
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Michigan #5601011585

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528773033. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
24
Distinct HCPCS
1
Medicare allowed
$1,560
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 24 21 $65

In context: peer comparison

Among 234 peers in Grand Rapids Physician Assistant, average services per provider: 56. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 2 $40.08

By nature of payment

Food and Beverage
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
26
Patients
0
Total drug cost
$328
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 14 0 $93
Atorvastatin Calcium Generic 12 0 $235

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mackenzie Guigar's medical specialty?
Dr. Mackenzie Guigar practices Physician Assistant in Grand Rapids, MI.
Where does Dr. Mackenzie Guigar practice?
Dr. Mackenzie Guigar practices at 426 Michigan St Ne, Grand Rapids, MI 495035609. Office phone: 6162678338.
What is Dr. Mackenzie Guigar's NPI?
Dr. Mackenzie Guigar's National Provider Identifier (NPI) is 1528773033, issued by NPPES.
Does Dr. Mackenzie Guigar accept Medicare assignment?
Yes. Dr. Mackenzie Guigar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mackenzie Guigar commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.