Oasis Mental Health Practice
NPI 1427883313 · Mental Health Clinic/Center (Including Community Mental Health Center) · Westernport, MD
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oasis Mental Health Practice is a Mental Health Clinic/Center (Including Community Mental Health Center) organization in Westernport, MD (NPI 1427883313).
Provider details
- NPI number
- 1427883313
- Entity type
- Organization
- Primary specialty
- Mental Health Clinic/Center (Including Community Mental Health Center)Ambulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Glenna Guthrie, Owner(240) 321-6601
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 223 Deerfield DrDeer Park, MD 21550-4840Phone: (240) 321-6601
Registry dates
- Enumerated
- 2024-09-03
- Last updated
- 2024-11-20
- Certified
- 2024-11-20
Frequently asked questions
- What is Oasis Mental Health Practice's NPI number?
- Oasis Mental Health Practice's National Provider Identifier (NPI) is 1427883313, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Oasis Mental Health Practice?
- Oasis Mental Health Practice is classified in the NPPES registry as Mental Health Clinic/Center (Including Community Mental Health Center) (Ambulatory Health Care Facilities).
- Where is Oasis Mental Health Practice located?
- Oasis Mental Health Practice's practice location on file with NPPES is 24015 Westernport Rd Sw, Westernport, MD 21562-2217.
- What is Oasis Mental Health Practice's phone number?
- The practice phone number listed in the NPPES registry for Oasis Mental Health Practice is (240) 321-6601.
- Does Oasis Mental Health Practice accept Medicare?
- Oasis Mental Health Practice 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 Oasis Mental Health Practice?
- The authorized official listed on Oasis Mental Health Practice's NPPES record is Glenna Guthrie, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Oasis Mental Health Practice's NPI active?
- Yes — Oasis Mental Health Practice's NPI (1427883313) is active in the NPPES registry as of the last update on 2024-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.