Mary-Helen Ferris, OT
NPI 1578533147 · Occupational Therapist · Annapolis, MD
Mary-Helen Ferris, OT is a Occupational Therapist provider in Annapolis, MD (NPI 1578533147).
Provider details
- NPI number
- 1578533147
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OT
- Sex
- Female
- Sole proprietor
- No
- License
- 03299 (MD)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
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
20 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
- 2006-01-25
- Last updated
- 2018-04-11
Frequently asked questions
- What is Mary-Helen Ferris's NPI number?
- Mary-Helen Ferris's National Provider Identifier (NPI) is 1578533147, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary-Helen Ferris's specialty?
- Mary-Helen Ferris is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mary-Helen Ferris located?
- Mary-Helen Ferris's practice location on file with NPPES is 2000 Medical Pkwy, Annapolis, MD 21401-3742.
- What is Mary-Helen Ferris's phone number?
- The practice phone number listed in the NPPES registry for Mary-Helen Ferris is (410) 268-8862.
- Is Mary-Helen Ferris's NPI active?
- Yes — Mary-Helen Ferris's NPI (1578533147) is active in the NPPES registry as of the last update on 2018-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.