Mary Demersseman
NPI 1477713469 · Developmental Therapist · St Petersburg, FL
Mary Demersseman is a Developmental Therapist provider in St Petersburg, FL (NPI 1477713469).
Provider details
- NPI number
- 1477713469
- Entity type
- Individual
- Primary specialty
- Developmental TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- Yes
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
18 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2008-06-12
- Last updated
- 2008-10-02
Frequently asked questions
- What is Mary Demersseman's NPI number?
- Mary Demersseman's National Provider Identifier (NPI) is 1477713469, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Demersseman's specialty?
- Mary Demersseman is listed in the NPPES registry with a primary specialty of Developmental Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mary Demersseman located?
- Mary Demersseman's practice location on file with NPPES is 801 6th St S, St Petersburg, FL 33701-4816.
- What is Mary Demersseman's phone number?
- The practice phone number listed in the NPPES registry for Mary Demersseman is (727) 834-5439.
- Is Mary Demersseman's NPI active?
- Yes — Mary Demersseman's NPI (1477713469) is active in the NPPES registry as of the last update on 2008-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.