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Grace Mantein
NPI 1083578363 · Case Manager/Care Coordinator · Washington, DC
Grace Mantein is a Case Manager/Care Coordinator provider in Washington, DC (NPI 1083578363).
Provider details
- NPI number
- 1083578363
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Basic profile(47/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
6323 Georgia Ave Nw Ste 350
Washington, DC 20040-7585
Phone: (202) 996-5445
Street-level locationGet directions
Mailing address
2137 Otter Creek Cir
Hanover, MD 21076-2337
Registry dates
- Enumerated
- 2025-12-11
- Last updated
- 2025-12-11
- Certified
- 2025-12-11
Frequently asked questions
- What is Grace Mantein's NPI number?
- Grace Mantein's National Provider Identifier (NPI) is 1083578363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace Mantein's specialty?
- Grace Mantein is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is Grace Mantein located?
- Grace Mantein's practice location on file with NPPES is 6323 Georgia Ave Nw Ste 350, Washington, DC 20040-7585.
- What is Grace Mantein's phone number?
- The practice phone number listed in the NPPES registry for Grace Mantein is (202) 996-5445.
- Is Grace Mantein's NPI active?
- Yes — Grace Mantein's NPI (1083578363) is active in the NPPES registry as of the last update on 2025-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.