Cory Ley, DO
NPI 1639631294 · Emergency Medicine Physician · Clinton Twp, MI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cory Ley, DO is a Emergency Medicine Physician provider in Clinton Twp, MI (NPI 1639631294).
Provider details
- NPI number
- 1639631294
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 5315207489 (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
7 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
304 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 | 194 | $179 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 86 | $123 |
| Critical Care, First 30-74 Minutes99291 | 24 | $216 |
Typical Medicare-allowed amounts for these services range $123–$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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 31 | 30 |
| Cephalexin | 23 | 23 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 20 | 20 |
| Prednisone | 19 | 17 |
| Cefuroxime Axetilbrand: Cefuroxime | 19 | 18 |
| Ondansetronbrand: Ondansetron Odt | 18 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-03
- Last updated
- 2020-03-18
- Certified
- 2020-03-18
Frequently asked questions
- What is Cory Ley's NPI number?
- Cory Ley's National Provider Identifier (NPI) is 1639631294, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cory Ley's specialty?
- Cory Ley is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cory Ley located?
- Cory Ley's practice location on file with NPPES is 36500 S Gratiot Ave, Clinton Twp, MI 48035-1772.
- What is Cory Ley's phone number?
- The practice phone number listed in the NPPES registry for Cory Ley is (586) 790-9003.
- Does Cory Ley accept Medicare?
- Cory Ley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cory Ley's NPI active?
- Yes — Cory Ley's NPI (1639631294) is active in the NPPES registry as of the last update on 2020-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.