John Efthyvoulidis
- Medicare services, 2024
- 257
- Medicare patients, 2024
- 72
- Part D claims, 2024
- 628
- Hospital affiliations
- 5
- Industry payments
- $2,499
- Practice address
- 3601 W Thirteen Mile Rd, Royal Oak, MI 48073
- Practice phone
- Call (248) 898-5400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find John Efthyvoulidis' 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.
John Efthyvoulidis is a family medicine physician in Royal Oak, Michigan
John Efthyvoulidis practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health.
John Efthyvoulidis' NPI, 1194352815, was assigned on March 24, 2020. John Efthyvoulidis graduated from Michigan State University College of Osteopathic Medicine in 2020. John Efthyvoulidis holds Michigan license 5151014423.
- NPI
- 1194352815NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416379235
- NPI enumeration date
- March 24, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (248) 898-5400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Efthyvoulidis practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan
John Efthyvoulidis' primary practice is Corewell Health William Beaumont University Hospital, at 3601 W Thirteen Mile Rd, Royal Oak, MI 48073 in Oakland County. The practice phone is (248) 898-5400.
- Corewell Health William Beaumont University Hospital3601 W Thirteen Mile Rd, Royal Oak, MI 48073 · Oakland CountyPhone(248) 898-5400
Source: Dmand AI Affiliation Data
John Efthyvoulidis is affiliated with 5 sites of care and 1 medical group
John Efthyvoulidis' primary practice is Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health. John Efthyvoulidis is also affiliated with Corewell Health Beaumont Troy Hospital. The medical group on file is Rochester Primary Care. Dmand AI also links John Efthyvoulidis to 3 more hospitals, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John Efthyvoulidis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Efthyvoulidis practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health William Beaumont University Hospital | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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.
John Efthyvoulidis is one of 4,931 family medicine physicians in Michigan
Family medicine is John Efthyvoulidis' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. John Efthyvoulidis is licensed in Michigan.
Specialties and state licenses
- Family medicine, MichiganPrimary
Family medicine physicians near John Efthyvoulidis
Counts of family medicine physicians 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
John Efthyvoulidis billed Medicare for 257 services in 2024
CMS data shows 257 Medicare services from John Efthyvoulidis across 7 procedure codes in 2024, for 72 Medicare patients. Medicare paid $8,617 for them. Every service was in an office.
John Efthyvoulidis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 182024: 133639%
- Lab and pathology
- 2023: 02024: 64
- Surgery
- 2023: 02024: 48
- Other services
- 2023: 02024: 12
John Efthyvoulidis compared with the Michigan median for family medicine physicians, 2024
- John Efthyvoulidis
- Michigan median
- Medicare services
- 257vs 248Close to median
- Medicare patients
- 72vs 11236% below
- Part D claims
- 324vs 1,03369% below
Medians across 4,990 family medicine physicians in Michigan with Dmand AI profiles that report each measure.
John Efthyvoulidis' 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 John Efthyvoulidis and other family medicine physicians in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
John Efthyvoulidis treated 72 Medicare patients in 2024, average age 74
CMS counts 72 Medicare patients who saw John Efthyvoulidis in 2024. The largest group is 65 to 74, with 34 patients. 61% of them have high blood pressure, and 61% have high cholesterol. Their average risk score is 1.30, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Efthyvoulidis' median patient age at 41, with 31% women.
John Efthyvoulidis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Efthyvoulidis' Medicare patients by sex, 2024
- Women2940%
- Men4360%
Chronic conditions among John Efthyvoulidis' Medicare patients, 2024
- High blood pressure61%
- High cholesterol61%
- Arthritis49%
- Ischemic heart disease33%
- Diabetes26%
- Atrial fibrillation22%
- Chronic kidney disease21%
- Cancer19%
Share of Medicare patients with each condition. A patient can have several.
John Efthyvoulidis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women31%
- Men69%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John Efthyvoulidis wrote 628 Medicare Part D claims in 2024
In 2024, John Efthyvoulidis wrote 628 Medicare Part D claims for 151 patients. 93% of them were for generic drugs. CMS names the drug for 324 of them, across 19 drugs with 11 or more claims each, at $10,433 in total drug cost. In 2023, CMS named 240 claims across 12 drugs.
John Efthyvoulidis' Part D claims by kind of drug, 2024
- Generic584 claims93%
- Brand-name and other44 claims7%
John Efthyvoulidis' 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.
Drug classes CMS tracks in John Efthyvoulidis' Part D claims, 2024
- Opioids2%11 of 628 claims
- Antibiotics10%62 of 628 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2402024: 32435%
Drugs named by CMS: 19 in 2024, 12 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
John Efthyvoulidis offers telehealth to Medicare patients
John Efthyvoulidis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists John Efthyvoulidis as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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John Efthyvoulidis received $2,499 in industry payments from 2021 to 2025
CMS Open Payments shows 97 general payments to John Efthyvoulidis from 26 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $290.
General payments to John Efthyvoulidis by program year, 2021 to 2025
Companies that paid John Efthyvoulidis the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John Efthyvoulidis graduated from Michigan State University College of Osteopathic Medicine
John Efthyvoulidis graduated from Michigan State University College of Osteopathic Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John Efthyvoulidis'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 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) |
| 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 John Efthyvoulidis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Efthyvoulidis' NPI number?
John Efthyvoulidis' NPI number is 1194352815. It was assigned on March 24, 2020, and it is active in the NPI Registry.
What does John Efthyvoulidis specialize in?
John Efthyvoulidis is a family medicine physician in Royal Oak, Michigan. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does John Efthyvoulidis practice?
John Efthyvoulidis practices at 3601 W Thirteen Mile Rd, Royal Oak, MI 48073. John Efthyvoulidis' primary practice is Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health. Dmand AI also links John Efthyvoulidis to 3 hospitals.
What is John Efthyvoulidis' office phone number?
The practice phone on file for John Efthyvoulidis is (248) 898-5400.
What is John Efthyvoulidis' medical license number?
John Efthyvoulidis holds Michigan license 5151014423.
Which hospitals is John Efthyvoulidis affiliated with?
John Efthyvoulidis practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan. John Efthyvoulidis is also affiliated with Corewell Health Beaumont Troy Hospital. Dmand AI links John Efthyvoulidis to 3 more hospitals.
What medical group is John Efthyvoulidis part of?
John Efthyvoulidis is linked to Rochester Primary Care.
Does John Efthyvoulidis accept Medicare?
Yes. CMS data shows John Efthyvoulidis billed Medicare for 257 services in 2024, and John Efthyvoulidis accepts Medicare assignment.
Does John Efthyvoulidis offer telehealth?
Yes. The CMS Doctors and Clinicians file lists John Efthyvoulidis as offering telehealth services.
How many Medicare patients does John Efthyvoulidis see?
CMS counts 72 Medicare patients who saw John Efthyvoulidis in 2024, with an average age of 74.
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What services does John Efthyvoulidis bill to Medicare?
In 2024, John Efthyvoulidis' most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and surgery: heart and blood vessels (36415).
Where did John Efthyvoulidis go to medical school?
John Efthyvoulidis graduated from Michigan State University College of Osteopathic Medicine in 2020.
What drugs does John Efthyvoulidis prescribe most?
In 2024 Medicare Part D data, John Efthyvoulidis' most prescribed drugs by claims were Omeprazole, Atorvastatin Calcium and Amlodipine Besylate.
Has John Efthyvoulidis received payments from drug or device companies?
CMS Open Payments shows $2,499 in general payments to John Efthyvoulidis from 26 companies from 2021 to 2025. The largest total came from Abbvie Inc.
How long has John Efthyvoulidis been practicing?
John Efthyvoulidis graduated from medical school in 2020, 6 years ago.
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