Doctor profile · Federal record

Dr. Pieter Wiersema, MD

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Cytopathology Physician · Dermatopathology (Pathology) Physician · Indianapolis, IN

  • NPI 1083890651
  • Accepts Medicare
  • 49 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8051 S Emerson Ave, Suite 200
Indianapolis, IN 462378632
(317) 865-2955
fax (317) 865-8653

Credentials & registration

NPPES · NUCC
NPI registered
January 2008 — 18 yrs on file
Profile last updated
March 9, 2020
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Indiana #01030601A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083890651. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
370
Distinct HCPCS
7
Medicare allowed
$10,944
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 215 199 $35
88341 Special stained specimen slides to examine tissue, each additional procedure 35 22 $26
88342 Special stained specimen slides to examine tissue, initial procedure 32 27 $33
88312 Special stained specimen slides to identify organisms including interpretation and report 30 29 $25
88304 Pathology examination of tissue using a microscope, moderately low complexity 23 23 $10
88313 Special stained specimen slides to examine tissue including interpretation and report 19 19 $11
88108 Cell examination of specimen, concentration technique 16 15 $21

In context: peer comparison

Among 29 peers in Indianapolis Anatomic Pathology & Clinical Pathology Physician, average services per provider: 144. This provider delivers 2.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$39
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $20.59
Daiichi Sankyo INC. 1 $18.36

By nature of payment

Food and Beverage
$39

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Pieter Wiersema's medical specialty?
Dr. Pieter Wiersema practices Anatomic Pathology & Clinical Pathology Physician in Indianapolis, IN.
Where does Dr. Pieter Wiersema practice?
Dr. Pieter Wiersema practices at 8051 S Emerson Ave, Indianapolis, IN 462378632. Office phone: 3178652955.
What is Dr. Pieter Wiersema's NPI?
Dr. Pieter Wiersema's National Provider Identifier (NPI) is 1083890651, issued by NPPES.
Does Dr. Pieter Wiersema accept Medicare assignment?
Yes. Dr. Pieter Wiersema accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Pieter Wiersema 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); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.