Marshall Dorsey, COTA
NPI 1649668799 · Occupational Therapy Assistant · Rockville, MD
Marshall Dorsey, COTA is a Occupational Therapy Assistant provider in Rockville, MD (NPI 1649668799).
Provider details
- NPI number
- 1649668799
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- COTA
- Sex
- Male
- Sole proprietor
- Yes
- License
- A00501 (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
11 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
- 2014-12-23
- Last updated
- 2014-12-23
Frequently asked questions
- What is Marshall Dorsey's NPI number?
- Marshall Dorsey's National Provider Identifier (NPI) is 1649668799, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Dorsey's specialty?
- Marshall Dorsey is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Marshall Dorsey located?
- Marshall Dorsey's practice location on file with NPPES is 2401 Research Blvd, Rockville, MD 20850-3215.
- What is Marshall Dorsey's phone number?
- The practice phone number listed in the NPPES registry for Marshall Dorsey is (301) 337-6921.
- Is Marshall Dorsey's NPI active?
- Yes — Marshall Dorsey's NPI (1649668799) is active in the NPPES registry as of the last update on 2014-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.