WILLIAM EDWARD HARDER D.O.
NPI 1225417660
Internal Medicine - Cardiovascular Disease in Waterford, MI

Q: What is William Harder's NPI number?

The NPI number for William Harder is 1225417660. It was assigned to this individual provider in the NPPES registry on May 19, 2015.

Q: What is William Harder's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for William Harder was last updated on April 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 19, 2015PECOS EnrolledAccepts Medicare Assignment

6889 HIGHLAND RD, WATERFORD, MI 48327(248) 666-5200(248) 666-5069 Get Directions Write a Review

NPPES record last updated: April 30, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 30, 2026, Jul 12, 2021 (2 updates tracked since 2021).

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About William Edward Harder D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM EDWARD HARDER D.O. (NPI 1225417660) is an individual cardiovascular disease provider in Waterford, Michigan, licensed in Michigan (5101021792) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital - Dearborn, and is a graduate of Michigan State University College Of Osteopathic Medicine (2015).

NPPES Registry Identity

NPI1225417660

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameWILLIAM EDWARD HARDERCredential: D.O.

Location Address6889 HIGHLAND RDWaterford, MI 48327-1658

Mailing Address6889 Highland RdWaterford, MI 48327-1658 · (248) 666-5200 · Fax (248) 666-5069

Phone(248) 666-5200

Fax(248) 666-5069

Sole ProprietorYes

Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 2015

Enumeration DateMay 19, 2015

Last NPPES UpdateApril 30, 20262 updates tracked since enumeration

NPPES CertifiedApril 30, 2026

✔ NPI 1225417660 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in MI · 5101021792

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal MedicineTaxonomy 207R00000X · License 5101021792 (MI)

6889 HIGHLAND RD, Waterford, MI 48327

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William Edward Harder D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6305141193

PECOS Enrollment IDI20191112000862

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show William Harder reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Heart Care PC

Same address

Cardiovascular Disease

6889 HIGHLAND RD
Waterford, MI 48327

Reassigned Medicare billing, Michigan enrollment
4 clinicians in this Medicare group

NPI 1518058379 (248) 666-5200

Iha Health Services Corporation

11 mi

Family Medicine

28300 ORCHARD LAKE RD STE 103
Farmington Hills, MI 48334

Reassigned Medicare billing, Michigan enrollment
1,480 clinicians in this Medicare group

NPI 1750138566 (248) 287-7860

Midwest Cardiology Associates, PC

23 mi

Cardiovascular Disease

30626 FORD RD
Garden City, MI 48135

Reassigned Medicare billing, Michigan enrollment
3 clinicians in this Medicare group

NPI 1952317646 (734) 261-9211

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 18

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

689 services160 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

458 services361 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

139 services82 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

137 services94 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

129 services94 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

106 services106 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

81 services72 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

74 services70 patients

Blood test, clotting time 85610

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

36 services16 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

29 services16 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

24 services24 patients

Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days 93297

This service involves remotely monitoring your heart and blood vessel implant system for up to 30 days. Using advanced technology, healthcare professionals can track the device's performance and your health status, ensuring the system is working optimally for your needs.

22 services22 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

21 services21 patients

Evaluation of cardiac rhythm monitor system, remote up to 30 days 93298

This procedure involves remotely monitoring your heart rhythm for up to 30 days. A small device will record your heart's activity, which can be accessed by your healthcare team. This aids in diagnosing any irregularities or issues with your heart function.

17 services12 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

15 services12 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

14 services14 patients

Drug infusion during cardiac catheterization 93463

Drug infusion during cardiac catheterization involves delivering medication directly to your heart via a thin tube. This process helps to diagnose or treat heart conditions by improving blood flow or assessing heart function. It's a safe, common procedure.

13 services13 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Beaumont Hospital - Dearborn

Acute Care Hospitals · Dearborn, MI

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230020

Location18101 Oakwood BlvdDearborn, MI 48124 · Wayne County

Emergency services Birthing friendly

Trinity Health Oakland Hospital

Acute Care Hospitals · Pontiac, MI

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230029

Location44405 Woodward AvePontiac, MI 48341 · Oakland County

Emergency services Birthing friendly

Corewell Health Wayne Hospital

Acute Care Hospitals · Wayne, MI

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230142

Location33155 Annapolis AveWayne, MI 48184 · Wayne County

Emergency services Birthing friendly

Mclaren Oakland

Acute Care Hospitals · Pontiac, MI

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230207

Location50 N Perry StPontiac, MI 48342 · Oakland County

Emergency services

Garden City Hospital

Acute Care Hospitals · Garden City, MI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230244

Location6245 Inkster RdGarden City, MI 48135 · Wayne County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48327 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$134.28 typical visit price

range $58.04 – $177.36

Typical copayment $33.57 (range $14.51 – $44.34)

Most-billed visit code 99204

Established Patient

$72.38 typical visit price

range $18.32 – $143.49

Typical copayment $18.09 (range $4.58 – $35.87)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. MEAGAN SHAMOUN MCKAY FNP-C, BSN, RN

Internal Medicine (Cardiovascular Disease)