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.
- 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
8 nearest cardiovascular disease physician records → All 860 in Michigan → Look up another NPI →
Also registered at 6889 Highland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Keith Atkinson, D.O.Cardiovascular Disease Physician1164415659
- Edward Courtemanche, MSN ANP-BCAdult Health Nurse Practitioner1831472927
- Meagan McKay, FNP-C, BSN, RNCardiovascular Disease Physician1013794338
- Creagh Milford, D.O.Cardiovascular Disease Physician1215920764
- Leonard Salvia, D.O.Cardiovascular Disease Physician1154314649
Verify William Edward Harder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101021792Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- Eliquis226 claims
- Atorvastatin Calcium203 claims
- Metoprolol Succinate168 claims
- Losartan Potassium134 claims
- Carvedilol129 claims
- 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.
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
- Heart Care PCWaterford, MI
- 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).
William Edward Harder among 860 cardiovascular disease physician records in Michigan
William Edward Harder, D.O. is one of 860 cardiovascular disease physician records with a practice address in Michigan. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 83% of them.
- NPI issued2015 · 83% of these records are older, 15% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2015 · median 1999 among the 606 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Michigan
There are 860 cardiovascular disease physician records in Michigan.
All 860 in Michigan → Every provider in Waterford → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Keith Atkinson, D.O.Waterford, MI 483271164415659
- John Dickey, DOWaterford, MI 483271588657076
- Meagan McKay, FNP-C, BSN, RNWaterford, MI 483271013794338
- Creagh Milford, D.O.Waterford, MI 483271215920764
- Amy O'Neil, DOWaterford, MI 483271104266881
- Leonard Salvia, D.O.Waterford, MI 483271154314649
- Abdul Hasan, M.D.Waterford, MI 483281548224546
- Navneet Kumar, M.D.Waterford, MI 483281861781569
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.