OrganizationActive
Pilgrim Psychiatric Center
NPI 1871898817 · Psychiatric Hospital · Riverhead, NY
Pilgrim Psychiatric Center is a Psychiatric Hospital organization in Riverhead, NY (NPI 1871898817).
Provider details
- NPI number
- 1871898817
- Entity type
- Organization
- Primary specialty
- Psychiatric HospitalHospitals
- Organization subpart
- No
- Authorized official
- Marianne Werkhieser, Social Work Assistant II(631) 369-1277
- License
- 02249154 (NY)
Specialties & taxonomies
Hospitals
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
550 E Main St
Suite 103
Riverhead, NY 11901-2672
Phone: (631) 369-1277
Fax: (631) 208-3445
Street-level locationGet directions
Mailing address
550 E Main St
Riverhead, NY 11901-2672
Registry dates
- Enumerated
- 2011-01-24
- Last updated
- 2011-01-24
Frequently asked questions
- What is Pilgrim Psychiatric Center's NPI number?
- Pilgrim Psychiatric Center's National Provider Identifier (NPI) is 1871898817, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Pilgrim Psychiatric Center?
- Pilgrim Psychiatric Center is classified in the NPPES registry as Psychiatric Hospital (Hospitals).
- Where is Pilgrim Psychiatric Center located?
- Pilgrim Psychiatric Center's practice location on file with NPPES is 550 E Main St, Riverhead, NY 11901-2672.
- What is Pilgrim Psychiatric Center's phone number?
- The practice phone number listed in the NPPES registry for Pilgrim Psychiatric Center is (631) 369-1277.
- Who is the authorized official for Pilgrim Psychiatric Center?
- The authorized official listed on Pilgrim Psychiatric Center's NPPES record is Marianne Werkhieser, Social Work Assistant II. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Pilgrim Psychiatric Center's NPI active?
- Yes — Pilgrim Psychiatric Center's NPI (1871898817) is active in the NPPES registry as of the last update on 2011-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.