Grayling Harrison
NPI 1720656960 · Physical Therapist · Millersville, MD
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grayling Harrison is a Physical Therapist provider in Millersville, MD (NPI 1720656960).
Provider details
- NPI number
- 1720656960
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 28447 (MD)
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
- 2021-06-15
- Last updated
- 2024-08-01
- Certified
- 2023-02-08
Frequently asked questions
- What is Grayling Harrison's NPI number?
- Grayling Harrison's National Provider Identifier (NPI) is 1720656960, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grayling Harrison's specialty?
- Grayling Harrison is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Grayling Harrison located?
- Grayling Harrison's practice location on file with NPPES is 611 Waterwheel Ln, Millersville, MD 21108-2330.
- What is Grayling Harrison's phone number?
- The practice phone number listed in the NPPES registry for Grayling Harrison is (443) 469-1140.
- Does Grayling Harrison accept Medicare?
- Grayling Harrison is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grayling Harrison's NPI active?
- Yes — Grayling Harrison's NPI (1720656960) is active in the NPPES registry as of the last update on 2024-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.