Kathleen Grassa, OT
NPI 1043892813 · Occupational Therapist · Royal Oak, MI
Kathleen Grassa, OT is a Occupational Therapist provider in Royal Oak, MI (NPI 1043892813).
Provider details
- NPI number
- 1043892813
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OT
- Sex
- Female
- Sole proprietor
- No
- License
- 5201011082 (MI)
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
5 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
- 2021-04-22
- Last updated
- 2021-08-04
- Certified
- 2021-08-04
Frequently asked questions
- What is Kathleen Grassa's NPI number?
- Kathleen Grassa's National Provider Identifier (NPI) is 1043892813, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Grassa's specialty?
- Kathleen Grassa is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Kathleen Grassa located?
- Kathleen Grassa's practice location on file with NPPES is 28000 Woodward Ave, Royal Oak, MI 48067-0960.
- What is Kathleen Grassa's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Grassa is (483) 953-7772.
- Is Kathleen Grassa's NPI active?
- Yes — Kathleen Grassa's NPI (1043892813) is active in the NPPES registry as of the last update on 2021-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.