Dr. Eric Thomas Walchak, DO
- Medicare services, 2024
- 917
- Medicare patients, 2024
- 451
- Part D claims, 2024
- 4,050
- Hospital affiliations
- 4
- Industry payments
- $3,847
- Practice address
- 5900 Byron Center SW Ave, Wyoming, MI 49519
- Practice phone
- Call (616) 252-7200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UM Health-West Hospital
Wyoming, Michigan
Find Dr. Walchak's professional email, personal email and mobile number
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Dr. Eric Thomas Walchak is a cardiologist in Wyoming, Michigan
Dr. Walchak practices at UM Health-West Hospital in Wyoming, Michigan.
Dr. Walchak's NPI, 1962493395, was assigned on November 3, 2005. Dr. Walchak graduated from Michigan State University College of Human Medicine in 1997. Dr. Walchak holds Michigan license 5101013546.
- NPI
- 1962493395NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436130234
- NPI enumeration date
- November 3, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 252-7200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eric Thomas Walchak practices at UM Health-West Hospital in Wyoming, Michigan
Dr. Walchak's primary practice is UM Health-West Hospital, at 5900 Byron Center SW Ave, Wyoming, MI 49519 in Kent County. The practice phone is (616) 252-7200.
- UM Health-West Hospital5900 Byron Center SW Ave, Wyoming, MI 49519 · Kent CountyPhone(616) 252-7200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Eric Thomas Walchak is affiliated with 5 sites of care and 1 medical group
Dr. Walchak's primary practice is UM Health-West Hospital in Wyoming, Michigan. Dr. Walchak is also affiliated with University of Michigan Health-West Hospital. The medical group on file is University of Michigan Health-West Hospital (formerly Metro Health Hospital). Dmand AI also links Dr. Walchak to 3 more hospitals, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Eric Thomas Walchak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walchak practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UM Health-West Hospital | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Eric Thomas Walchak is one of 768 cardiologists in Michigan
Cardiovascular disease is Dr. Walchak's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Walchak is licensed in Michigan.
Specialties and state licenses
- Cardiovascular disease, MichiganPrimary
Cardiologists near Dr. Walchak
Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Eric Thomas Walchak billed Medicare for 917 services in 2024
CMS data shows 917 Medicare services from Dr. Walchak across 23 procedure codes in 2024, for 451 Medicare patients. Medicare paid $41,150 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Walchak's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 6602024: 58511%
- Office and hospital visits
- 2023: 3622024: 31513%
- Imaging
- 2023: 152024: 1713%
Dr. Walchak compared with the Michigan median for cardiologists, 2024
- Dr. Walchak
- Michigan median
- Medicare services
- 917vs 1,43536% below
- Medicare patients
- 451vs 64430% below
- Part D claims
- 3,822vs 1,5622.4 times
Medians across 749 cardiologists in Michigan with Dmand AI profiles that report each measure.
Dr. Walchak's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walchak and other cardiologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eric Thomas Walchak treated 451 Medicare patients in 2024, average age 73
CMS counts 451 Medicare patients who saw Dr. Walchak in 2024. The largest group is 65 to 74, with 203 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.72, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Walchak's median patient age at 69, with 46% women.
Dr. Walchak's Medicare patients by age, 2024
Dr. Walchak's Medicare patients by sex, 2024
- Women21047%
- Men24153%
Chronic conditions among Dr. Walchak's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease59%
- Arthritis48%
- Heart failure42%
- Atrial fibrillation37%
- Diabetes37%
- Chronic kidney disease35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Walchak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eric Thomas Walchak wrote 4,050 Medicare Part D claims in 2024
In 2024, Dr. Walchak wrote 4,050 Medicare Part D claims for 718 patients. 85% of them were for generic drugs. CMS names the drug for 3,822 of them, across 48 drugs with 11 or more claims each, at $628,591 in total drug cost. In 2023, CMS named 3,955 claims across 47 drugs.
Dr. Walchak's Part D claims by kind of drug, 2024
- Generic3,447 claims85%
- Brand-name603 claims15%
Dr. Walchak's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,9552024: 3,8223%
Drugs named by CMS: 48 in 2024, 47 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Eric Thomas Walchak takes part in Medicare
Dr. Walchak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Coronary angioplasty and stenting: 1 to 10 procedures (CMS shows small counts as a range)
Varicose vein removal: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Eric Thomas Walchak received $3,847 in industry payments from 2016 to 2025
CMS Open Payments shows 61 general payments to Dr. Walchak from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 85% of the total. Cardiovascular Systems Inc. paid the most, $1,112.
General payments to Dr. Walchak by program year, 2016 to 2025
General payments to Dr. Walchak by kind, 2016 to 2025
- Food and beverage$3,26385%
- Travel and lodging$48413%
- Education$993%
Companies that paid Dr. Walchak the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eric Thomas Walchak graduated from Michigan State University College of Human Medicine
Dr. Walchak graduated from Michigan State University College of Human Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eric Thomas Walchak's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Eric Thomas Walchak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Eric Thomas Walchak's NPI number?
Dr. Eric Thomas Walchak's NPI number is 1962493395. It was assigned on November 3, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric Thomas Walchak?
Dr. Eric Thomas Walchak is a cardiologist in Wyoming, Michigan. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Eric Thomas Walchak practice?
Dr. Walchak practices at 5900 Byron Center SW Ave, Wyoming, MI 49519. Dr. Walchak's primary practice is UM Health-West Hospital in Wyoming, Michigan. Dmand AI also links Dr. Walchak to 3 hospitals.
What is Dr. Eric Thomas Walchak's office phone number?
The practice phone on file for Dr. Walchak is (616) 252-7200.
What is Dr. Eric Thomas Walchak's medical license number?
Dr. Walchak holds Michigan license 5101013546.
Which hospitals is Dr. Eric Thomas Walchak affiliated with?
Dr. Walchak is affiliated with University of Michigan Health-West Hospital. Dmand AI links Dr. Walchak to 3 more hospitals.
What medical group is Dr. Eric Thomas Walchak part of?
Dr. Walchak is linked to University of Michigan Health-West Hospital (formerly Metro Health Hospital).
Does Dr. Eric Thomas Walchak accept Medicare?
Yes. CMS data shows Dr. Walchak billed Medicare for 917 services in 2024, and Dr. Walchak accepts Medicare assignment.
How many Medicare patients does Dr. Eric Thomas Walchak see?
CMS counts 451 Medicare patients who saw Dr. Walchak in 2024, with an average age of 73.
What services does Dr. Eric Thomas Walchak bill to Medicare?
In 2024, Dr. Walchak's most billed Medicare services were heart test or procedure (93010), office visit, established patient (99214) and heart test or procedure (93306).
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Where did Dr. Eric Thomas Walchak go to medical school?
Dr. Walchak graduated from Michigan State University College of Human Medicine in 1997.
What drugs does Dr. Eric Thomas Walchak prescribe most?
In 2024 Medicare Part D data, Dr. Walchak's most prescribed drugs by claims were Eliquis, Metoprolol Succinate and Atorvastatin Calcium.
Has Dr. Eric Thomas Walchak received payments from drug or device companies?
CMS Open Payments shows $3,847 in general payments to Dr. Walchak from 16 companies from 2016 to 2025. The largest total came from Cardiovascular Systems Inc.
How long has Dr. Eric Thomas Walchak been practicing?
Dr. Walchak graduated from medical school in 1997, 29 years ago.
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