Doctor profile · Federal record

Dr. Kay Aardema, MD

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Grand Rapids, MI

  • NPI 1407840051
  • Accepts Medicare
  • 32 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
200 Jefferson Ave Se
Grand Rapids, MI 495034502
(616) 685-6258
Additional location
5900 Byron Center Ave Sw
Wyoming, MI 495199606
(616) 252-7166
Mailing address
Po Box 1629
Lima, OH 458021629

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
March 3, 2022
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Michigan #4301063289
Medicaid (2)
MI #4158640 · MI #1407840051

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407840051. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
907
Distinct HCPCS
10
Medicare allowed
$36,304
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 441 277 $35
88341 Special stained specimen slides to examine tissue, each additional procedure 88 35 $27
88307 Pathology examination of tissue using a microscope, moderately high complexity 85 55 $78
88342 Special stained specimen slides to examine tissue, initial procedure 68 56 $33
88112 Cell examination of specimen, selective cellular enhancement technique 44 40 $26
88331 Pathology examination of specimen during surgery, first tissue block 42 21 $58
88360 Microscopic genetic analysis of tumor, manual 42 17 $39
85060 Blood smear interpretation by physician with written report 31 30 $23
88173 Evaluation of fine needle aspirate with interpretation and report 25 21 $64
88304 Pathology examination of tissue using a microscope, moderately low complexity 15 14 $10

In context: peer comparison

Among 6 peers in Grand Rapids Anatomic Pathology & Clinical Pathology Physician, average services per provider: 97. This provider delivers 9.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$35
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Hologic Sales and Service, LLC 1 $35.05

By nature of payment

Food and Beverage
$35

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kay Aardema's medical specialty?
Dr. Kay Aardema practices Anatomic Pathology & Clinical Pathology Physician in Grand Rapids, MI.
Where does Dr. Kay Aardema practice?
Dr. Kay Aardema practices at 200 Jefferson Ave Se, Grand Rapids, MI 495034502. Office phone: 6166856258.
What is Dr. Kay Aardema's NPI?
Dr. Kay Aardema's National Provider Identifier (NPI) is 1407840051, issued by NPPES.
Does Dr. Kay Aardema accept Medicare assignment?
Yes. Dr. Kay Aardema accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kay Aardema commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, moderately high complexity (HCPCS 88307). Source: CMS Medicare Physician & Other Practitioners file.