Grace Mavromatis
NPI 1013449271 · Clinical Social Worker · Portland, OR
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grace Mavromatis is a Clinical Social Worker provider in Portland, OR (NPI 1013449271).
Provider details
- NPI number
- 1013449271
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- L10996 (OR)
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
9 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
- 2017-03-28
- Last updated
- 2026-04-16
- Certified
- 2026-04-16
Frequently asked questions
- What is Grace Mavromatis's NPI number?
- Grace Mavromatis's National Provider Identifier (NPI) is 1013449271, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace Mavromatis's specialty?
- Grace Mavromatis is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Grace Mavromatis located?
- Grace Mavromatis's practice location on file with NPPES is 5441 S Macadam Ave # 5450, Portland, OR 97239-6106.
- What is Grace Mavromatis's phone number?
- The practice phone number listed in the NPPES registry for Grace Mavromatis is (541) 900-4285.
- Does Grace Mavromatis accept Medicare?
- Grace Mavromatis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grace Mavromatis's NPI active?
- Yes — Grace Mavromatis's NPI (1013449271) is active in the NPPES registry as of the last update on 2026-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.