Dr. John E. Ewalt, MD
- Medicare services, 2023
- 684
- Part D claims, 2024
- 174
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 44201 Dequindre Road, Troy, MI 48085
- Practice phone
- Call (248) 964-8800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ewalt's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John E. Ewalt is an internist in Troy, Michigan
Dr. Ewalt practices at Corewell Health Beaumont Troy Hospital in Troy, Michigan, part of Corewell Health.
Dr. Ewalt's NPI, 1518923283, was assigned on April 21, 2006. Dr. Ewalt graduated from Indiana University School of Medicine in 1979. Dr. Ewalt holds Wisconsin license 24908-020.
- NPI
- 1518923283NPI Registry (opens in a new tab)
- NPI enumeration date
- April 21, 2006
- NPI status
- Active
- Practice phone
- (248) 964-8800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John E. Ewalt practices at Corewell Health Beaumont Troy Hospital in Troy, Michigan
Dr. Ewalt's primary practice is Corewell Health Beaumont Troy Hospital, at 44201 Dequindre Road, Troy, MI 48085 in Oakland County. The practice phone is (248) 964-8800.
- Corewell Health Beaumont Troy Hospital44201 Dequindre Road, Troy, MI 48085 · Oakland CountyPhone(248) 964-8800
Source: Dmand AI Affiliation Data
Dr. John E. Ewalt is affiliated with 1 site of care and 1 medical group
Dr. Ewalt's primary practice is Corewell Health Beaumont Troy Hospital in Troy, Michigan, part of Corewell Health. The medical group on file is UnityPoint Health, Meriter.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John E. Ewalt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ewalt practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Beaumont Troy Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Corewell Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John E. Ewalt is one of 4,804 internists in Michigan
Internal medicine is Dr. Ewalt's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ewalt is licensed in Wisconsin.
Specialties and state licenses
- Internal medicine, WisconsinPrimary
Internists near Dr. Ewalt
Counts of internists 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. John E. Ewalt billed Medicare for 684 services in 2023
CMS data shows 684 Medicare services from Dr. Ewalt across 15 procedure codes in 2023. Medicare paid $14,866 for them. Every service was in an office.
Dr. Ewalt's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Lab and pathology
- 2022: 1,1632023: 32872%
- Office and hospital visits
- 2022: 6812023: 18773%
- Surgery
- 2022: 4522023: 15466%
- Other services
- 2022: 2332023: 1594%
- Drugs given in the office
- 2022: 522023: 0100%
- Imaging
- 2022: 752023: 0100%
- Tests and treatments
- 2022: 1642023: 0100%
Dr. Ewalt compared with the Michigan median for internists, 2023
- Dr. Ewalt
- Michigan median
- Medicare services
- 684vs 42362% above
- Part D claims
- 47vs 31485% below
Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.
Dr. Ewalt's most billed Medicare procedure codes, 2023
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. Ewalt and other internists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John E. Ewalt's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Ewalt's median patient age at 61, with 28% women.
Dr. Ewalt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women28%
- Men71%
Source: Dmand AI Patient Panel Data
Dr. John E. Ewalt wrote 174 Medicare Part D claims in 2024
In 2024, Dr. Ewalt wrote 174 Medicare Part D claims for 76 patients. 91% of them were for generic drugs. CMS names the drug for 47 of them, across 3 drugs with 11 or more claims each, at $431 in total drug cost. In 2023, CMS named 3,604 claims across 76 drugs.
Dr. Ewalt's Part D claims by kind of drug, 2024
- Generic158 claims91%
- Brand-name and other16 claims9%
Dr. Ewalt'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: 3,6042024: 4799%
Drugs named by CMS: 3 in 2024, 76 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
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Dr. John E. Ewalt graduated from Indiana University School of Medicine
Dr. Ewalt graduated from Indiana University School of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John E. Ewalt'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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 Data |
| 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) |
| 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. John E. Ewalt
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. John E. Ewalt's NPI number?
Dr. John E. Ewalt's NPI number is 1518923283. It was assigned on April 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John E. Ewalt?
Dr. John E. Ewalt is an internist in Troy, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John E. Ewalt practice?
Dr. Ewalt practices at 44201 Dequindre Road, Troy, MI 48085. Dr. Ewalt's primary practice is Corewell Health Beaumont Troy Hospital in Troy, Michigan, part of Corewell Health.
What is Dr. John E. Ewalt's office phone number?
The practice phone on file for Dr. Ewalt is (248) 964-8800.
What is Dr. John E. Ewalt's medical license number?
Dr. Ewalt holds Wisconsin license 24908-020.
Which hospitals is Dr. John E. Ewalt affiliated with?
Dr. Ewalt practices at Corewell Health Beaumont Troy Hospital in Troy, Michigan.
What medical group is Dr. John E. Ewalt part of?
Dr. Ewalt is linked to UnityPoint Health, Meriter.
Does Dr. John E. Ewalt accept Medicare?
Yes. CMS data shows Dr. Ewalt billed Medicare for 684 services in 2023.
What services does Dr. John E. Ewalt bill to Medicare?
In 2023, Dr. Ewalt's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and lab and pathology test (80048).
Where did Dr. John E. Ewalt go to medical school?
Dr. Ewalt graduated from Indiana University School of Medicine in 1979.
What drugs does Dr. John E. Ewalt prescribe most?
In 2024 Medicare Part D data, Dr. Ewalt's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
How long has Dr. John E. Ewalt been practicing?
Dr. Ewalt graduated from medical school in 1979, 47 years ago.
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