NPPES file of Aug 9, 2026

Mark A. Deyab, LICSW

Mental Health Counselor · Waltham, MA

Mark A. Deyab, LICSW is a mental health counselor with a practice address in Waltham, Massachusetts, and NPI 1104907732, issued on Oct 18, 2006. Check the license (Massachusetts 111824, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104907732
Name
Mark A. Deyab
Credential
LICSW
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
111824 MA
Self-reported in NPPES; status is on the state search
Practice location
20 Hope Ave, Waltham, MA 02453
Phone
(781) 799-3949
Enumerated
Oct 18, 2006
Record last updated
Mar 17, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(781) 899-6386
Medicare enrollment
Enrolled (PECOS I20041216000816); may accept Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest mental health counselor records → All 18,415 in Massachusetts → Look up another NPI →

Also registered at 20 Hope Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ann Abbott, CNMMidwife1881669265
  2. Brianna Bach, LMHCMental Health Counselor1922422385
  3. Heena Banker, M.D.Pediatrics Physician1972642494
  4. Bruce Becker, MDGastroenterology Physician1255312104
  5. John Caravolas, DDSPediatric Dentistry1538250659
  6. Michelle Cournoyer, P.A.-C.Physician Assistant1568605426

Verify Mark A. Deyab in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 111824    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Mark A. Deyab among 18,415 mental health counselor records in Massachusetts

Mark A. Deyab, LICSW is one of 18,415 mental health counselor records with a practice address in Massachusetts. 7% 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 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 94% newer
  • In a Medicare fileNo · 7% of these records are
  • In the CMS Doctors and Clinicians fileYes · 10% of these records are
  • Graduated1994 · median 2014 among the 1,811 with a school on file
  • Record last updated2009 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

147 mental health counselor records list a practice address in Waltham

They are 147 of the 2,111 NPPES records with a practice address in Waltham, and 18,415 mental health counselor records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 18,415 in Massachusetts → Every provider in Waltham → Mental Health Counselor nationwide →

The 8 mental health counselor records with the nearest ZIP codes

  1. Mary Anderson, M.A.Waltham, MA 024531447397344
  2. Laurie Buchanan, LMHCWaltham, MA 024531083797310
  3. James Fitzgerald, LMHCWaltham, MA 024531437289592
  4. Jessica Foley, LMHCWaltham, MA 024531447305131
  5. Frances Green, LICSWWaltham, MA 024531093885584
  6. Joshua Hanson, M.A.Waltham, MA 024531093976789
  7. Nadine Kraman, LMHCWaltham, MA 024531932380946
  8. Sophia Macheras, LCSWWaltham, MA 024531558477331

Common questions

What is Mark A. Deyab, LICSW's NPI number?

Mark A. Deyab, LICSW's National Provider Identifier (NPI) is 1104907732, issued on Oct 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark A. Deyab, LICSW located?

The NPPES record lists a practice address at 20 Hope Ave, Waltham, MA, 02453. Phone: (781) 799-3949. Providers update this record themselves, so call before visiting.

How can I verify Mark A. Deyab, LICSW's license?

NPPES lists Massachusetts license number 111824, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.