Gerald Oster, PH.D.
NPI 1528181906 · Psychologist · Olney, MD
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerald Oster, PH.D. is a Psychologist provider in Olney, MD (NPI 1528181906).
Provider details
- NPI number
- 1528181906
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 01755 (MD)
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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 18404 Queen Elizabeth DrOlney, MD 20832-1722Phone: (301) 774-6202
- 3416 Olandwood Ct Ste 201Olney, MD 20832-1373Phone: (301) 774-6202
Registry dates
- Enumerated
- 2007-04-09
- Last updated
- 2020-10-27
- Certified
- 2020-10-25
Frequently asked questions
- What is Gerald Oster's NPI number?
- Gerald Oster's National Provider Identifier (NPI) is 1528181906, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Oster's specialty?
- Gerald Oster is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Gerald Oster located?
- Gerald Oster's practice location on file with NPPES is 2915 Olney Sandy Spring Rd Ste B, Olney, MD 20832-3502.
- What is Gerald Oster's phone number?
- The practice phone number listed in the NPPES registry for Gerald Oster is (301) 774-6202.
- Does Gerald Oster accept Medicare?
- Gerald Oster is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerald Oster's NPI active?
- Yes — Gerald Oster's NPI (1528181906) is active in the NPPES registry as of the last update on 2020-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.