Katelyn Johnson-Clark, D.O.
NPI 1285890939 · Pediatrics Physician · Ellicottville, NY
Katelyn Johnson-Clark, D.O. is a Pediatrics Physician provider in Ellicottville, NY (NPI 1285890939).
Provider details
- NPI number
- 1285890939
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 261977 (NY)
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
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 5 Park SqEllicottville, NY 14731-7014Phone: (716) 257-4397Fax: (681) 230-8216
Registry dates
- Enumerated
- 2008-08-01
- Last updated
- 2025-09-03
- Certified
- 2025-09-03
Frequently asked questions
- What is Katelyn Johnson-Clark's NPI number?
- Katelyn Johnson-Clark's National Provider Identifier (NPI) is 1285890939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katelyn Johnson-Clark's specialty?
- Katelyn Johnson-Clark is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Katelyn Johnson-Clark located?
- Katelyn Johnson-Clark's practice location on file with NPPES is 5 Park Sq, Ellicottville, NY 14731-7014.
- What is Katelyn Johnson-Clark's phone number?
- The practice phone number listed in the NPPES registry for Katelyn Johnson-Clark is (716) 257-4397.
- Is Katelyn Johnson-Clark's NPI active?
- Yes — Katelyn Johnson-Clark's NPI (1285890939) is active in the NPPES registry as of the last update on 2025-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.