Mallory Maclellan, MS, OTR/L
NPI 1174343925 · Occupational Therapist · Frederick, MD
Mallory Maclellan, MS, OTR/L is a Occupational Therapist provider in Frederick, MD (NPI 1174343925).
Provider details
- NPI number
- 1174343925
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- MS, OTR/L
- Sex
- Female
- Sole proprietor
- No
- License
- 10386 (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
1 yr 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
- 2024-10-16
- Last updated
- 2024-10-16
- Certified
- 2024-10-16
Frequently asked questions
- What is Mallory Maclellan's NPI number?
- Mallory Maclellan's National Provider Identifier (NPI) is 1174343925, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mallory Maclellan's specialty?
- Mallory Maclellan is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mallory Maclellan located?
- Mallory Maclellan's practice location on file with NPPES is 4640 Wedgewood Blvd Ste 101-105, Frederick, MD 21703-7114.
- What is Mallory Maclellan's phone number?
- The practice phone number listed in the NPPES registry for Mallory Maclellan is (240) 457-9558.
- Is Mallory Maclellan's NPI active?
- Yes — Mallory Maclellan's NPI (1174343925) is active in the NPPES registry as of the last update on 2024-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.