Mark Deyab, LICSW
NPI 1104907732 · Mental Health Counselor · Waltham, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Deyab, LICSW is a Mental Health Counselor provider in Waltham, MA (NPI 1104907732).
Provider details
- NPI number
- 1104907732
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Male
- Sole proprietor
- No
- License
- 111824 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-10-18
- Last updated
- 2009-03-17
Frequently asked questions
- What is Mark Deyab's NPI number?
- Mark Deyab's National Provider Identifier (NPI) is 1104907732, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Deyab's specialty?
- Mark Deyab is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Deyab located?
- Mark Deyab's practice location on file with NPPES is 20 Hope Ave, Waltham, MA 02453-2721.
- What is Mark Deyab's phone number?
- The practice phone number listed in the NPPES registry for Mark Deyab is (781) 799-3949.
- Does Mark Deyab accept Medicare?
- Mark Deyab is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Deyab's NPI active?
- Yes — Mark Deyab's NPI (1104907732) is active in the NPPES registry as of the last update on 2009-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.