John Kemink, DO
NPI 1487146825 · Emergency Medical Services (Emergency Medicine) Physician · Warren, MI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Kemink, DO is a Emergency Medical Services (Emergency Medicine) Physician provider in Warren, MI (NPI 1487146825).
Provider details
- NPI number
- 1487146825
- Entity type
- Individual
- Primary specialty
- Emergency Medical Services (Emergency Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 5101028244 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
153 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 58 | $180 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 55 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 22 | $125 |
| Critical Care, First 30-74 Minutes99291 | 18 | $216 |
Typical Medicare-allowed amounts for these services range $8–$216 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-06-01
- Last updated
- 2025-10-21
- Certified
- 2025-10-21
Frequently asked questions
- What is John Kemink's NPI number?
- John Kemink's National Provider Identifier (NPI) is 1487146825, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Kemink's specialty?
- John Kemink is listed in the NPPES registry with a primary specialty of Emergency Medical Services (Emergency Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is John Kemink located?
- John Kemink's practice location on file with NPPES is 12000 E 12 Mile Rd, Warren, MI 48093-3570.
- What is John Kemink's phone number?
- The practice phone number listed in the NPPES registry for John Kemink is (586) 573-5000.
- Does John Kemink accept Medicare?
- John Kemink is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Kemink's NPI active?
- Yes — John Kemink's NPI (1487146825) is active in the NPPES registry as of the last update on 2025-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.