Ryan Nelsen
NPI 1255120291 · Emergency Medicine Physician · York, PA
Enrolled with Medicare as Order and Referring Only - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Nelsen is a Emergency Medicine Physician provider in York, PA (NPI 1255120291).
Provider details
- NPI number
- 1255120291
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- MT233848 (PA)
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
1 yr 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
- 2025-05-05
- Last updated
- 2025-05-05
- Certified
- 2025-05-05
Frequently asked questions
- What is Ryan Nelsen's NPI number?
- Ryan Nelsen's National Provider Identifier (NPI) is 1255120291, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Nelsen's specialty?
- Ryan Nelsen is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Nelsen located?
- Ryan Nelsen's practice location on file with NPPES is 1001 S George St, York, PA 17403-3676.
- What is Ryan Nelsen's phone number?
- The practice phone number listed in the NPPES registry for Ryan Nelsen is (717) 851-2311.
- Does Ryan Nelsen accept Medicare?
- Ryan Nelsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Nelsen's NPI active?
- Yes — Ryan Nelsen's NPI (1255120291) is active in the NPPES registry as of the last update on 2025-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.