Mary Masssmann, COTA
NPI 1962000737 · Occupational Therapy Assistant · Ballwin, MO
Mary Masssmann, COTA is a Occupational Therapy Assistant provider in Ballwin, MO (NPI 1962000737).
Provider details
- NPI number
- 1962000737
- Entity type
- Individual
- Primary specialty
- Occupational Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- COTA
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2007015363 (MO)
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
5 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
- 2020-10-14
- Last updated
- 2020-10-14
- Certified
- 2020-10-14
Frequently asked questions
- What is Mary Masssmann's NPI number?
- Mary Masssmann's National Provider Identifier (NPI) is 1962000737, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Masssmann's specialty?
- Mary Masssmann is listed in the NPPES registry with a primary specialty of Occupational Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mary Masssmann located?
- Mary Masssmann's practice location on file with NPPES is 1 Meramec Bluffs Dr, Ballwin, MO 63021-3309.
- What is Mary Masssmann's phone number?
- The practice phone number listed in the NPPES registry for Mary Masssmann is (314) 681-6817.
- Is Mary Masssmann's NPI active?
- Yes — Mary Masssmann's NPI (1962000737) is active in the NPPES registry as of the last update on 2020-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.