Margaret Grayson, OTR/L
NPI 1811854540 · Occupational Therapist · Denver, CO
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Grayson, OTR/L is a Occupational Therapist provider in Denver, CO (NPI 1811854540).
Provider details
- NPI number
- 1811854540
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- Sex
- Female
- Sole proprietor
- No
- License
- OT.0006231 (CO)
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
Under 1 yr in 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
- 2026-01-06
- Last updated
- 2026-01-06
- Certified
- 2026-01-06
Frequently asked questions
- What is Margaret Grayson's NPI number?
- Margaret Grayson's National Provider Identifier (NPI) is 1811854540, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Grayson's specialty?
- Margaret Grayson is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Margaret Grayson located?
- Margaret Grayson's practice location on file with NPPES is 301 S Harrison St, Denver, CO 80209-3482.
- What is Margaret Grayson's phone number?
- The practice phone number listed in the NPPES registry for Margaret Grayson is (720) 668-0961.
- Does Margaret Grayson accept Medicare?
- Margaret Grayson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Grayson's NPI active?
- Yes — Margaret Grayson's NPI (1811854540) is active in the NPPES registry as of the last update on 2026-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.