River Hospital, Inc.
NPI 1821022781 · Medicare Defined Swing Bed Hospital Unit · Alexandria Bay, NY
Enrolled with Medicare as Part a Provider - Critical Access Hospital · source: CMS PECOS Public Provider Enrollment (2026.04.01)
River Hospital, Inc. is a Medicare Defined Swing Bed Hospital Unit organization in Alexandria Bay, NY (NPI 1821022781).
Provider details
- NPI number
- 1821022781
- Entity type
- Organization
- Primary specialty
- Medicare Defined Swing Bed Hospital UnitHospital Units
- Organization subpart
- No
- Authorized official
- Emily Mastaler, President and Ceo(315) 482-2511
Specialties & taxonomies
Hospital Units
- Medicare Defined Swing Bed Hospital Unit275N00000X
Hospital Units
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
- Other name
- Swing Bed Program
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2020-09-30
- Certified
- 2020-09-30
Frequently asked questions
- What is River Hospital, Inc.'s NPI number?
- River Hospital, Inc.'s National Provider Identifier (NPI) is 1821022781, 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 Medicare Defined Swing Bed Hospital Unit (Hospital Units).
- 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) 482-1132.
- 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, President and 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 (1821022781) is active in the NPPES registry as of the last update on 2020-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.