John Bloch Markoff, MSW
Clinical Social Worker · Medway, MA
John Bloch Markoff, MSW is a clinical social worker with a practice address in Medway, Massachusetts, and NPI 1649340878, issued on Nov 8, 2006. Check the license (Massachusetts 103757, 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
- John Bloch Markoff
- Credential
- MSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 103757 MA
Self-reported in NPPES; status is on the state search - Practice location
- 89 Main St, Medway, MA 02053
- Phone
- (508) 533-2200
- Enumerated
- Nov 8, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050923000533); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 89 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Adams, LICSWClinical Social Worker1861631558
- Donna Barry Moilanen, PH.D.Psychologist1063769313
- William Chaplin, LICSWClinical Social Worker1114947280
- Melanie Duarte, LMHCMental Health Counselor1437178654
- Julie Greiner-Ferris, LICSWClinical Social Worker1972600872
- Jennifer Leach, MSW, LICSWClinical Social Worker1205163581
Verify John Bloch Markoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 103757Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25 clinical social worker records list a practice address in Medway
They are 25 of the 178 NPPES records with a practice address in Medway, and 17,815 clinical social worker records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 25 in Medway → All 17,815 in Massachusetts → Every provider in Medway →
Other clinical social worker records in Massachusetts
- Andrew Aaron, LICSWNew Bedford, MA1053477885
- Cynthia AaronFall River, MA1407258676
- Emanuel Aaron, LICSW,LADCI, CADCII,Orange, MA1134475817
- Karla Abad, LCSWLynn, MA1598577470
- Amy Abair, LICSWBoston, MA1972821858
- Nicole Abair, LCSWLexington, MA1386590859
- Stephanie Abate, LICSWAmherst, MA1669580973
- Lynn Abbey, LICSWFall River, MA1437189248
- Bernard Abbot, MSWBoston, MA1861913188
- Amanda Abbott, CNM, LCSWCambridge, MA1821358284
Common questions
What is John Bloch Markoff, MSW's NPI number?
John Bloch Markoff, MSW's National Provider Identifier (NPI) is 1649340878, issued on Nov 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Bloch Markoff, MSW located?
The NPPES record lists a practice address at 89 Main St, Medway, MA, 02053. Phone: (508) 533-2200. Providers update this record themselves, so call before visiting.
How can I verify John Bloch Markoff, MSW's license?
NPPES lists Massachusetts license number 103757, 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.