Ralph Bieber Psychologist PC
NPI 1164727533 · Psychologist · Oyster Bay, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ralph Bieber Psychologist PC is a Psychologist organization in Oyster Bay, NY (NPI 1164727533).
Provider details
- NPI number
- 1164727533
- Entity type
- Organization
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Ralph Bieber, Director(516) 398-3938
- License
- 012328 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2011-01-17
- Last updated
- 2011-01-31
Frequently asked questions
- What is Ralph Bieber Psychologist PC's NPI number?
- Ralph Bieber Psychologist PC's National Provider Identifier (NPI) is 1164727533, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ralph Bieber Psychologist PC?
- Ralph Bieber Psychologist PC is classified in the NPPES registry as Psychologist (Behavioral Health & Social Service Providers).
- Where is Ralph Bieber Psychologist PC located?
- Ralph Bieber Psychologist PC's practice location on file with NPPES is 150 South St, Oyster Bay, NY 11771-2244.
- What is Ralph Bieber Psychologist PC's phone number?
- The practice phone number listed in the NPPES registry for Ralph Bieber Psychologist PC is (516) 624-8400.
- Does Ralph Bieber Psychologist PC accept Medicare?
- Ralph Bieber Psychologist PC 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 Ralph Bieber Psychologist PC?
- The authorized official listed on Ralph Bieber Psychologist PC's NPPES record is Ralph Bieber, Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ralph Bieber Psychologist PC's NPI active?
- Yes — Ralph Bieber Psychologist PC's NPI (1164727533) is active in the NPPES registry as of the last update on 2011-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.