Jon Mark Hamlin, LCSW
Clinical Social Worker · Caribou, ME
Jon Mark Hamlin, LCSW is a clinical social worker with a practice address in Caribou, Maine, and NPI 1922132877, issued on Mar 15, 2007. Check the license (Maine LC1717, as entered in NPPES) with the Maine board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Jon Mark Hamlin
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LC1717 ME
Self-reported in NPPES; status is on the state search - Practice location
- 20 Old Van Buren RD, Caribou, ME 04736
- Phone
- (207) 492-1130
- Enumerated
- Mar 15, 2007
- Record last updated
- Mar 9, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (207) 492-1139
- Medicaid ID
- 245790099 ME
- Medicare enrollment
- Enrolled (PECOS I20050623000247); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 1995
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 3,673 in Maine → Look up another NPI →
Also registered at 20 Old Van Buren RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danyelle Cyr, LCPCProfessional Counselor1447466305
- Denise Hamlin, LCSWClinical Social Worker1598899411
- Danielle Perry, LSWSocial Worker1508090853
Verify Jon Mark Hamlin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license LC1717Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Jon Mark Hamlin among 3,673 clinical social worker records in Maine
Jon Mark Hamlin, LCSW is one of 3,673 clinical social worker records with a practice address in Maine. 19% 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 2007, is newer than 21% of them.
- NPI issued2007 · 21% of these records are older, 67% newer
- In a Medicare fileNo · 19% of these records are
- In the CMS Doctors and Clinicians fileYes · 26% of these records are
- Graduated1995 · median 2008 among the 939 with a school on file
- Record last updated2013 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 clinical social worker records list a practice address in Caribou
They are 30 of the 313 NPPES records with a practice address in Caribou, and 3,673 clinical social worker records in Maine. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,673 in Maine → Every provider in Caribou → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Jean Cashman, LCSWCaribou, ME 047361316065816
- Freeman Corey, LCSW, LADC, CCSCaribou, ME 047361053479915
- Jennifer Crandall, LCSWCaribou, ME 047361073671046
- Esther Cyr, LCSWCaribou, ME 047361609934678
- Greg Disy, MSW-LCSWCaribou, ME 047361750496410
- Denise Hamlin, LCSWCaribou, ME 047361598899411
- Alexander Leger-Kelley, MSW-LCSWCaribou, ME 047361184739047
- Peter McCorison, MSW-LCSWCaribou, ME 047361518072347
Common questions
What is Jon Mark Hamlin, LCSW's NPI number?
Jon Mark Hamlin, LCSW's National Provider Identifier (NPI) is 1922132877, issued on Mar 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jon Mark Hamlin, LCSW located?
The NPPES record lists a practice address at 20 Old Van Buren RD, Caribou, ME, 04736. Phone: (207) 492-1130. Providers update this record themselves, so call before visiting.
How can I verify Jon Mark Hamlin, LCSW's license?
NPPES lists Maine license number LC1717, as entered by the provider. Search the Maine 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.