Mark Stephens, MD, MPH
NPI 1609286657 · Neonatal-Perinatal Medicine Physician · Lexington, KY
Mark Stephens, MD, MPH is a Neonatal-Perinatal Medicine Physician provider in Lexington, KY (NPI 1609286657).
Provider details
- NPI number
- 1609286657
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPH
- Sex
- Male
- Sole proprietor
- No
- License
- 50392 (KY)
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
12 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
- 2014-04-29
- Last updated
- 2022-07-21
Frequently asked questions
- What is Mark Stephens's NPI number?
- Mark Stephens's National Provider Identifier (NPI) is 1609286657, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Stephens's specialty?
- Mark Stephens is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Stephens located?
- Mark Stephens's practice location on file with NPPES is University of Kentucky, Lexington, KY 40536-0293.
- What is Mark Stephens's phone number?
- The practice phone number listed in the NPPES registry for Mark Stephens is (859) 323-2636.
- Is Mark Stephens's NPI active?
- Yes — Mark Stephens's NPI (1609286657) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.