Greg C. Heiler, MD
Blood Banking & Transfusion Medicine Physician · Eau Claire, WI
Greg C. Heiler, MD is a blood banking & transfusion medicine physician with a practice address in Eau Claire, Wisconsin, and NPI 1134173156, issued on May 22, 2006. Check the license (Wisconsin 33269, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Greg C. Heiler
- Credential
- MD
- Primary taxonomy
- Blood Banking & Transfusion Medicine Physician 207ZB0001X
- License number
- 33269 WI
Self-reported in NPPES; status is on the state search - Practice location
- 900 West Clairemont Avenue, Eau Claire, WI 54701
- Phone
- (715) 839-4121
- Enumerated
- May 22, 2006
- Record last updated
- Dec 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 31843200 WI
- Medicare enrollment
- Enrolled (PECOS I20100623000269); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1987
- Entity
- Type 1 · individual
8 nearest blood banking & transfusion medicine physician records → All 16 in Wisconsin → Look up another NPI →
Also registered at 900 West Clairemont Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Augustyn, MDDiagnostic Radiology Physician1013963909
- Merle Edwards, MDDiagnostic Radiology Physician1740236637
- John Feldmeier, MDDiagnostic Radiology Physician1295781185
- James Geraghty, MDDiagnostic Radiology Physician1659327542
- Michael Spak, MDRadiological Physics Physician1831145721
- Karl Stien, M.D.Diagnostic Radiology Physician1104872092
Verify Greg C. Heiler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 33269Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average blood banking & transfusion medicine physician in 2024
12 Medicare Part D claims, against an average of 52 among the 12 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 91.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Pathology Service CorporationAltoona, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Greg C. Heiler among 16 blood banking & transfusion medicine physician records in Wisconsin
Greg C. Heiler, MD is one of 16 blood banking & transfusion medicine physician records with a practice address in Wisconsin. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 56% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Record last updated2021 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZB0001X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Blood Banking & Transfusion Medicine Physician providers in Wisconsin
There are 16 blood banking & transfusion medicine physician records in Wisconsin.
All 16 in Wisconsin → Every provider in Eau Claire → Blood Banking & Transfusion Medicine Physician nationwide →
The 8 blood banking & transfusion medicine physician records with the nearest ZIP codes
- Todd Straus, M.D.Appleton, WI 549141861580995
- Joseph Connor, MDMadison, WI 537921992773576
- Christine Fuja, DOMadison, WI 537921982224192
- Chinelo Onyenekwu, MDMadison, WI 537921205498920
- Caitlin Raymond, MD/PHDMadison, WI 537921275093197
- Jonathan Stefely, MD, PHDMadison, WI 537921265992192
- John Weiss, MD PHDMadison, WI 537921457313645
- Thomas Raife, MDMadison, WI 537051942298542
Common questions
What is Greg C. Heiler, MD's NPI number?
Greg C. Heiler, MD's National Provider Identifier (NPI) is 1134173156, issued on May 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Greg C. Heiler, MD located?
The NPPES record lists a practice address at 900 West Clairemont Avenue, Eau Claire, WI, 54701. Phone: (715) 839-4121. Providers update this record themselves, so call before visiting.
How can I verify Greg C. Heiler, MD's license?
NPPES lists Wisconsin license number 33269, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Greg C. Heiler, MD prescribe under Medicare Part D?
In 2024, Greg C. Heiler, MD had 12 Medicare Part D claims; the average among blood banking & transfusion medicine physician prescribers was 52. Part D covers Medicare prescriptions only.
What is Greg C. Heiler, MD's MIPS final score?
The 2023 MIPS final score is 91.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.