Mark Robert Steward, PH.D.
Adult Development & Aging Psychologist · Newton Centre, MA
Mark Robert Steward, PH.D. is an adult development & aging psychologist with a practice address in Newton Centre, Massachusetts, and NPI 1821152828, issued on Dec 21, 2006. Check the license (Massachusetts 4784, 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
- Mark Robert Steward
- Credential
- PH.D.
- Primary taxonomy
- Adult Development & Aging Psychologist 103TA0700X
- License number
- 4784 MA
Self-reported in NPPES; status is on the state search - Practice location
- 53 Langley RD, Newton Centre, MA 02459
- Phone
- (617) 484-7604
- Enumerated
- Dec 21, 2006
- Record last updated
- Sep 11, 2025
- Entity
- Type 1 · individual
Also registered at 53 Langley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Geri Ferber, PH.D.Clinical Psychologist1780755629
- Barbara Garson, RN, MSN, CSAdult Psychiatric/Mental Health Clinical Nurse Specialist1699832352
- Steven German, PH.DPsychologist1033388707
- Ann Hess, M.D.Psychiatry Physician1528105863
- Sarah Kahn, MSWClinical Social Worker1699862631
- Rachel Katz, M.D., R.D.Family Medicine Physician1902929920
Verify Mark Robert Steward in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 4784Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Adult Development & Aging Psychologist providers in Massachusetts
There are 10 adult development & aging psychologist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other adult development & aging psychologist records in Massachusetts
- Richard Curtin, PSYDCambridge, MA1467438317
- David Junno, PSY.D.Northampton, MA1861444382
- Marie Lamto, PSY.D.Cambridge, MA1831211853
- Rachel Movitz, PSY.D.Westford, MA1497788491
- Erlene Rosowsky, PSYDNeedham, MA1649366253
- Claudette SanonRandolph, MA1629785993
- Erica Sharkansky, PH.D.Boston, MA1447260161
- Brenda Steinberg, PHDCambridge, MA1114071784
- Laurence Weisman, PSY.D.Wellesley, MA1134280365
Common questions
What is Mark Robert Steward, PH.D.'s NPI number?
Mark Robert Steward, PH.D.'s National Provider Identifier (NPI) is 1821152828, issued on Dec 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Robert Steward, PH.D. located?
The NPPES record lists a practice address at 53 Langley RD, Newton Centre, MA, 02459. Phone: (617) 484-7604. Providers update this record themselves, so call before visiting.
How can I verify Mark Robert Steward, PH.D.'s license?
NPPES lists Massachusetts license number 4784, 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.