NPPES file of Aug 9, 2026

William Edward Harder, D.O.

Cardiovascular Disease Physician · Waterford, MI

William Edward Harder, D.O. is a cardiovascular disease physician with a practice address in Waterford, Michigan, and NPI 1225417660, issued on May 19, 2015. Check the license (Michigan 5101021792, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225417660
Name
William Edward Harder
Credential
D.O.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
5101021792 MI
Self-reported in NPPES; status is on the state search
Practice location
6889 Highland RD, Waterford, MI 48327
Phone
(248) 666-5200
Enumerated
May 19, 2015
Record last updated
Apr 30, 2026
Fax
(248) 666-5069
Medicare enrollment
Enrolled (PECOS I20191112000862); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Osteopathic Medicine, 2015
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6889 Highland RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Keith Atkinson, D.O.Cardiovascular Disease Physician1164415659
  2. Edward Courtemanche, MSN ANP-BCAdult Health Nurse Practitioner1831472927
  3. Meagan McKay, FNP-C, BSN, RNCardiovascular Disease Physician1013794338
  4. Creagh Milford, D.O.Cardiovascular Disease Physician1215920764
  5. Leonard Salvia, D.O.Cardiovascular Disease Physician1154314649

Verify William Edward Harder in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 5101021792
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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17% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

2,540 Medicare Part D claims for 350 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. William Harder2,540
  2. Specialty average3,078

Most prescribed

  1. Eliquis226 claims
  2. Atorvastatin Calcium203 claims
  3. Metoprolol Succinate168 claims
  4. Losartan Potassium134 claims
  5. Carvedilol129 claims
  6. Furosemide119 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.

Industry payments in 2024: $2,202.76

88 payments; by number, the most common kind was food and beverage; the largest payer was Inari Medical, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Harder$2,202.76
  2. Specialty average$3,819.56

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Heart Care PCWaterford, MI
  2. Midwest Cardiology Associates PCGarden City, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Cardiovascular Disease Physician providers in Michigan

There are 860 cardiovascular disease physician records in Michigan.

Other cardiovascular disease physician records in Michigan

  1. Wissam Abdallah, M.D.Grand Rapids, MI1043410145
  2. Asrar Abdou, MDDetroit, MI1578091641
  3. Michael Abdul-Malek, D.O.Dearborn Heights, MI1396935946
  4. Khaled Abdul-Nour, M.D.Detroit, MI1184792608
  5. Madar Abed, MDFlushing, MI1235165275
  6. George Abela, M.D.East Lansing, MI1629012299
  7. Aiden Abidov, MD, PHDDetroit, MI1619181427
  8. Victor Abiragi, MDSt Clair Shores, MI1447254248
  9. Mohammed Abu-Mahfouz, MDDetroit, MI1992873418
  10. Hossam Abubakar, M.DLansing, MI1386095750

Common questions

What is William Edward Harder, D.O.'s NPI number?

William Edward Harder, D.O.'s National Provider Identifier (NPI) is 1225417660, issued on May 19, 2015. An NPI identifies a provider in billing; it is not a license.

Where is William Edward Harder, D.O. located?

The NPPES record lists a practice address at 6889 Highland RD, Waterford, MI, 48327. Phone: (248) 666-5200. Providers update this record themselves, so call before visiting.

How can I verify William Edward Harder, D.O.'s license?

NPPES lists Michigan license number 5101021792, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Edward Harder, D.O. prescribe under Medicare Part D?

In 2024, William Edward Harder, D.O. had 2,540 Medicare Part D claims for 350 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

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.