Nathan Larsen, RN
NPI 1821877150 · Certified Registered Nurse Anesthetist · Danville, PA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Larsen, RN is a Certified Registered Nurse Anesthetist provider in Danville, PA (NPI 1821877150).
Provider details
- NPI number
- 1821877150
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN
- Sex
- Male
- Sole proprietor
- No
- License
- 985480 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
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
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)
- 1 Atwell RdCooperstown, NY 13326Phone: (607) 547-3456
Registry dates
- Enumerated
- 2023-09-26
- Last updated
- 2025-12-10
- Certified
- 2025-12-10
Frequently asked questions
- What is Nathan Larsen's NPI number?
- Nathan Larsen's National Provider Identifier (NPI) is 1821877150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Larsen's specialty?
- Nathan Larsen is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nathan Larsen located?
- Nathan Larsen's practice location on file with NPPES is 100 N Academy Ave, Danville, PA 17822-7848.
- What is Nathan Larsen's phone number?
- The practice phone number listed in the NPPES registry for Nathan Larsen is (570) 271-6763.
- Does Nathan Larsen accept Medicare?
- Nathan Larsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Larsen's NPI active?
- Yes — Nathan Larsen's NPI (1821877150) is active in the NPPES registry as of the last update on 2025-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.