Mark Johnson, LCSW
Clinical Social Worker · Norwich, CT
Mark Johnson, LCSW is a clinical social worker with a practice address in Norwich, Connecticut, and NPI 1275686453, issued on Jan 19, 2007. Check the license (Connecticut 005699, as entered in NPPES) with the Connecticut board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark Johnson
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 005699 CT
Self-reported in NPPES; status is on the state search - Practice location
- 511 New London Tpke, Norwich, CT 06360
- Phone
- (860) 886-9324
- Enumerated
- Jan 19, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (860) 886-6182
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 7,729 in Connecticut → Look up another NPI →
Also registered at 511 New London Tpke
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barbara Lynch, LCSWClinical Social Worker1245383579
- Lois Panikoff, LCSWClinical Social Worker1194878413
Verify Mark Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 005699Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark Johnson among 7,729 clinical social worker records in Connecticut
Mark Johnson, LCSW is one of 7,729 clinical social worker records with a practice address in Connecticut. 15% 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 14% of them.
- NPI issued2007 · 14% of these records are older, 76% newer
- In a Medicare fileNo · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · 23% of these records are
- Record last updated2007 · 59% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
218 clinical social worker records list a practice address in Norwich
They are 218 of the 1,431 NPPES records with a practice address in Norwich, and 7,729 clinical social worker records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,729 in Connecticut → Every provider in Norwich → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Eric Brysgel, LCSWNorwich, CT 063601912950213
- Sherilyn Chase, L.C.S.W.Norwich, CT 063601376595512
- Vivian Ettlinger-Samos, MSW, LCSWNorwich, CT 063601710922281
- Lisa Heitmann, LCSWNorwich, CT 063601578515433
- Crystal Howard-Arlia, LCSWNorwich, CT 063601578571584
- Carol Lahan, MSWNorwich, CT 063601285612499
- Mary Montany, LCSWNorwich, CT 063601245268440
- Lorraine Plante, LCSWNorwich, CT 063601487662755
Common questions
What is Mark Johnson, LCSW's NPI number?
Mark Johnson, LCSW's National Provider Identifier (NPI) is 1275686453, issued on Jan 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Johnson, LCSW located?
The NPPES record lists a practice address at 511 New London Tpke, Norwich, CT, 06360. Phone: (860) 886-9324. Providers update this record themselves, so call before visiting.
How can I verify Mark Johnson, LCSW's license?
NPPES lists Connecticut license number 005699, as entered by the provider. Search the Connecticut 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.