River Hospital, Inc.
NPI 1003814641 · Critical Access Hospital · Alexandria Bay, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
River Hospital, Inc. is a Critical Access Hospital organization in Alexandria Bay, NY (NPI 1003814641).
Provider details
- NPI number
- 1003814641
- Entity type
- Organization
- Primary specialty
- Critical Access HospitalHospitals
- Organization subpart
- No
- Authorized official
- Emily Mastaler, Ceo(315) 286-9003
- License
- 2221001N (NY)
Specialties & taxonomies
Hospitals
Hospitals
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Other names (DBA / former)
- Other name
- Swing Bed Program
Registry dates
- Enumerated
- 2005-07-08
- Last updated
- 2022-09-13
- Certified
- 2022-09-13
Frequently asked questions
- What is River Hospital, Inc.'s NPI number?
- River Hospital, Inc.'s National Provider Identifier (NPI) is 1003814641, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is River Hospital, Inc.?
- River Hospital, Inc. is classified in the NPPES registry as Critical Access Hospital (Hospitals).
- Where is River Hospital, Inc. located?
- River Hospital, Inc.'s practice location on file with NPPES is 4 Fuller St, Alexandria Bay, NY 13607-1316.
- What is River Hospital, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for River Hospital, Inc. is (315) 482-2511.
- Does River Hospital, Inc. accept Medicare?
- River Hospital, Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for River Hospital, Inc.?
- The authorized official listed on River Hospital, Inc.'s NPPES record is Emily Mastaler, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is River Hospital, Inc.'s NPI active?
- Yes — River Hospital, Inc.'s NPI (1003814641) is active in the NPPES registry as of the last update on 2022-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.