IndividualActive
Mary Zelten, OTRL
NPI 1790990125 · Specialist · Tewksbury, MA
Mary Zelten, OTRL is a Specialist provider in Tewksbury, MA (NPI 1790990125).
Provider details
- NPI number
- 1790990125
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- OTRL
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2020 (MA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
365 East St
Tewksbury, MA 01876-1950
Phone: (978) 851-7321
Street-level locationGet directions
Mailing address
52 Pinnacle St
Tewksbury, MA 01876-1343
Registry dates
- Enumerated
- 2007-05-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Zelten's NPI number?
- Mary Zelten's National Provider Identifier (NPI) is 1790990125, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Zelten's specialty?
- Mary Zelten is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Mary Zelten located?
- Mary Zelten's practice location on file with NPPES is 365 East St, Tewksbury, MA 01876-1950.
- What is Mary Zelten's phone number?
- The practice phone number listed in the NPPES registry for Mary Zelten is (978) 851-7321.
- Is Mary Zelten's NPI active?
- Yes — Mary Zelten's NPI (1790990125) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.