Quick answers
- Where does Mark A. Deyab see patients?
- Medicare's clinician data lists 1 practice location in Tewksbury, MA. Call before your visit to confirm the address.
- What is Mark A. Deyab's specialty?
- Medicare lists Clinical Social Worker as the primary specialty.
- Does Mark A. Deyab accept Medicare assignment?
- Medicare's clinician data says Mark A. Deyab may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Mark A. Deyab offer telehealth?
- Medicare's clinician data says Mark A. Deyab offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark A. Deyab?
- (781) 799-3949, as listed in official Medicare / NPI Registry data.
- What is Mark A. Deyab's NPI number?
- 1104907732. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mark A. Deyab is enrolled with Medicare (CMS data updated 2026-10-02).
- 2500 Main St, Suite 208Tewksbury, MA 01876 (781) 799‑3949
Specialties
- Clinical Social Workerprimary
Find other clinicians: Clinical Social Worker, Massachusetts →
Other clinical social workers in Massachusetts
Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1104907732 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians