John Efthyvoulidis
NPI 1194352815 · Family Medicine Physician · Clinton Township, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Efthyvoulidis is a Family Medicine Physician provider in Clinton Township, MI (NPI 1194352815).
Provider details
- NPI number
- 1194352815
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 5151014423 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
257 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 73 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 60 | $89 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 48 | $6 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 25 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 20 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 19 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 40 | — |
| Atorvastatin Calcium | 32 | 14 |
| Amlodipine Besylate | 25 | — |
| Levothyroxine Sodium | 24 | — |
| Methylprednisolone | 20 | 19 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 17 | — |
| Furosemide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$776 across 33 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-24
- Last updated
- 2021-03-30
- Certified
- 2021-03-30
Frequently asked questions
- What is John Efthyvoulidis's NPI number?
- John Efthyvoulidis's National Provider Identifier (NPI) is 1194352815, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Efthyvoulidis's specialty?
- John Efthyvoulidis is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Efthyvoulidis located?
- John Efthyvoulidis's practice location on file with NPPES is 15855 19 Mile Rd, Clinton Township, MI 48038-3504.
- What is John Efthyvoulidis's phone number?
- The practice phone number listed in the NPPES registry for John Efthyvoulidis is (586) 263-2300.
- Does John Efthyvoulidis accept Medicare?
- John Efthyvoulidis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Efthyvoulidis's NPI active?
- Yes — John Efthyvoulidis's NPI (1194352815) is active in the NPPES registry as of the last update on 2021-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.