Stephen Trombley, MD
NPI 1396326112 · Pediatrics Physician · Ludington, MI
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Trombley, MD is a Pediatrics Physician provider in Ludington, MI (NPI 1396326112).
Provider details
- NPI number
- 1396326112
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301511294 (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
5 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
- 2021-04-15
- Last updated
- 2024-09-03
- Certified
- 2024-09-03
Frequently asked questions
- What is Stephen Trombley's NPI number?
- Stephen Trombley's National Provider Identifier (NPI) is 1396326112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Trombley's specialty?
- Stephen Trombley is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Trombley located?
- Stephen Trombley's practice location on file with NPPES is 907 E Tinkham Ave, Ludington, MI 49431-1537.
- What is Stephen Trombley's phone number?
- The practice phone number listed in the NPPES registry for Stephen Trombley is (231) 843-3477.
- Does Stephen Trombley accept Medicare?
- Stephen Trombley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Trombley's NPI active?
- Yes — Stephen Trombley's NPI (1396326112) is active in the NPPES registry as of the last update on 2024-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.