Katherine Mosier
NPI 1003502550 · Occupational Therapy Assistant · Ashburn, VA
Katherine Mosier is a Occupational Therapy Assistant provider in Ashburn, VA (NPI 1003502550).
Provider details
- NPI number
- 1003502550
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0131002568 (VA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
- 2023-04-17
- Last updated
- 2023-04-17
- Certified
- 2023-04-16
Frequently asked questions
- What is Katherine Mosier's NPI number?
- Katherine Mosier's National Provider Identifier (NPI) is 1003502550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Mosier's specialty?
- Katherine Mosier is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Katherine Mosier located?
- Katherine Mosier's practice location on file with NPPES is 21750 Red Rum Dr Ste 117, Ashburn, VA 20147-5867.
- What is Katherine Mosier's phone number?
- The practice phone number listed in the NPPES registry for Katherine Mosier is (703) 574-2989.
- Is Katherine Mosier's NPI active?
- Yes — Katherine Mosier's NPI (1003502550) is active in the NPPES registry as of the last update on 2023-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.