John Carey, M.D.
NPI 1104974815 · Immunopathology Physician · Detroit, MI
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Carey, M.D. is a Immunopathology Physician provider in Detroit, MI (NPI 1104974815).
Provider details
- NPI number
- 1104974815
- Entity type
- Individual
- Primary specialty
- Immunopathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301046445 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
92,606 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 9,718 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 8,733 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 7,055 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 5,411 | $13 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 5,294 | $16 |
| Hemoglobin A1c Level83036 | 4,438 | $9 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$59 across 1 record (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
- 2007-01-08
- Last updated
- 2025-09-11
Frequently asked questions
- What is John Carey's NPI number?
- John Carey's National Provider Identifier (NPI) is 1104974815, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Carey's specialty?
- John Carey is listed in the NPPES registry with a primary specialty of Immunopathology Physician (Allopathic & Osteopathic Physicians).
- Where is John Carey located?
- John Carey's practice location on file with NPPES is Henry Ford Health System, Detroit, MI 48202.
- What is John Carey's phone number?
- The practice phone number listed in the NPPES registry for John Carey is (313) 916-2436.
- Does John Carey accept Medicare?
- John Carey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Carey's NPI active?
- Yes — John Carey's NPI (1104974815) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.