Stephen Greenwell, MD
NPI 1699524454 · Emergency Medicine Physician · Royal Oak, MI
Enrolled with Medicare as Order and Referring Only - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Greenwell, MD is a Emergency Medicine Physician provider in Royal Oak, MI (NPI 1699524454).
Provider details
- NPI number
- 1699524454
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4351052823 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-05-15
- Last updated
- 2024-05-15
- Certified
- 2024-05-15
Frequently asked questions
- What is Stephen Greenwell's NPI number?
- Stephen Greenwell's National Provider Identifier (NPI) is 1699524454, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Greenwell's specialty?
- Stephen Greenwell is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Greenwell located?
- Stephen Greenwell's practice location on file with NPPES is 3601 W 13 Mile Rd, Royal Oak, MI 48073-6712.
- What is Stephen Greenwell's phone number?
- The practice phone number listed in the NPPES registry for Stephen Greenwell is (989) 297-0254.
- Does Stephen Greenwell accept Medicare?
- Stephen Greenwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Greenwell's NPI active?
- Yes — Stephen Greenwell's NPI (1699524454) is active in the NPPES registry as of the last update on 2024-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.