Mary Blum, OT
NPI 1528334521 · Occupational Therapist · Ellicott City, MD
Mary Blum, OT is a Occupational Therapist provider in Ellicott City, MD (NPI 1528334521).
Provider details
- NPI number
- 1528334521
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OT
- Sex
- Female
- Sole proprietor
- No
- License
- 02190 (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
14 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
- 2012-03-24
- Last updated
- 2012-03-24
Frequently asked questions
- What is Mary Blum's NPI number?
- Mary Blum's National Provider Identifier (NPI) is 1528334521, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Blum's specialty?
- Mary Blum is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mary Blum located?
- Mary Blum's practice location on file with NPPES is 4617 Live Oak Ct, Ellicott City, MD 21043-6717.
- What is Mary Blum's phone number?
- The practice phone number listed in the NPPES registry for Mary Blum is (410) 236-9995.
- Is Mary Blum's NPI active?
- Yes — Mary Blum's NPI (1528334521) is active in the NPPES registry as of the last update on 2012-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.