Mary M. Zelten, OTRL
Specialist · Tewksbury, MA
Mary M. Zelten, OTRL is a specialist with a practice address in Tewksbury, Massachusetts, and NPI 1790990125, issued on May 11, 2007. Check the license (Massachusetts 2020, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary M. Zelten
- Credential
- OTRL
- Primary taxonomy
- Specialist 174400000X
- License number
- 2020 MA
Self-reported in NPPES; status is on the state search - Practice location
- 365 East St, Tewksbury, MA 01876
- Phone
- (978) 851-7321
- Enumerated
- May 11, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest specialist records → All 1,096 in Massachusetts → Look up another NPI →
Also registered at 365 East St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maame Alert, RNRegistered Nurse1538940564
- Wellington AmparoPeer Specialist1801788492
- Brenda AngelCase Manager/Care Coordinator1114417870
- Diana Arena, D.O.Internal Medicine Physician1609986074
- Sherin Aygun, BAAddiction (Substance Use Disorder) Counselor1114498227
- Shannon BarrettAddiction (Substance Use Disorder) Counselor1417451378
Verify Mary M. Zelten in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 2020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mary M. Zelten among 1,096 specialist records in Massachusetts
Mary M. Zelten, OTRL is one of 1,096 specialist records with a practice address in Massachusetts. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 31% of them.
- NPI issued2007 · 31% of these records are older, 54% newer
- In a Medicare fileNo · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · 12% of these records are
- Record last updated2007 · 82% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Massachusetts
There are 1,096 specialist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,096 in Massachusetts → Every provider in Tewksbury → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Michele Caruso, D.V.M.Tewksbury, MA 018761316480619
- Joseph Rossacci, MDTewksbury, MA 018761699764449
- Brienna TomlinsonTewksbury, MA 018761306332689
- Lisa Horvath, OTR/LTyngsboro, MA 018791447496229
- Evangeline BrownWakefield, MA 018801760763262
- Audrey GoforthWakefield, MA 018801598970576
- Sean JoudrieWakefield, MA 018801407693260
- Susan Krikorian, OTRLWakefield, MA 018801972709038
Common questions
What is Mary M. Zelten, OTRL's NPI number?
Mary M. Zelten, OTRL's National Provider Identifier (NPI) is 1790990125, issued on May 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary M. Zelten, OTRL located?
The NPPES record lists a practice address at 365 East St, Tewksbury, MA, 01876. Phone: (978) 851-7321. Providers update this record themselves, so call before visiting.
How can I verify Mary M. Zelten, OTRL's license?
NPPES lists Massachusetts license number 2020, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.