Doctor profile · Federal record

Dr. Greg Heiler, MD

Blood Banking & Transfusion Medicine Physician (CMS: Pathology) · Clinical Pathology Physician · Cytopathology Physician · Dermatopathology (Pathology) Physician · Forensic Pathology Physician · Hematology (Pathology) Physician · Immunopathology Physician · Medical Microbiology Physician · Neuropathology Physician · Anatomic Pathology & Clinical Pathology Physician · Chemical Pathology Physician · Clinical Pathology/Laboratory Medicine Physician · Pediatric Pathology Physician · Eau Claire, WI

  • NPI 1134173156
  • Accepts Medicare
  • MIPS 90.4 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
900 West Clairemont Avenue
Eau Claire, WI 54701
(715) 839-4121
Mailing address
2715 West Frank St
Eau Claire, WI 54703

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 30, 2021
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207ZB0001X — NUCC code
State license (1)
Wisconsin #33269
Medicaid
WI #31843200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134173156. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
839
Distinct HCPCS
10
Medicare allowed
$30,805
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 421 239 $36
88341 Special stained specimen slides to examine tissue, each additional procedure 100 19 $27
88344 Special stained specimen slides to examine tissue, each multiplex procedure 68 14 $37
88305 Pathology examination of tissue using a microscope, intermediate complexity 65 44 $36
88342 Special stained specimen slides to examine tissue, initial procedure 49 38 $33
88304 Pathology examination of tissue using a microscope, moderately low complexity 39 35 $11
88307 Pathology examination of tissue using a microscope, moderately high complexity 35 26 $79
88112 Cell examination of specimen, selective cellular enhancement technique 17 13 $26
G0416 Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method 16 16 $171
88311 Preparation of tissue for examination by removing any calcium present 15 14 $12

In context: peer comparison

Among 1 peers in Eau Claire Blood Banking & Transfusion Medicine Physician, average services per provider: 76. This provider delivers 11× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Greg Heiler's medical specialty?
Dr. Greg Heiler practices Blood Banking & Transfusion Medicine Physician in Eau Claire, WI.
Where does Dr. Greg Heiler practice?
Dr. Greg Heiler practices at 900 West Clairemont Avenue, Eau Claire, WI 54701. Office phone: 7158394121.
What is Dr. Greg Heiler's NPI?
Dr. Greg Heiler's National Provider Identifier (NPI) is 1134173156, issued by NPPES.
Does Dr. Greg Heiler accept Medicare assignment?
Yes. Dr. Greg Heiler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Greg Heiler 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, each multiplex procedure (HCPCS 88344). Source: CMS Medicare Physician & Other Practitioners file.