Mark Karel Roos, LCSW
Clinical Social Worker · Stratford, CT
Mark Karel Roos, LCSW is a clinical social worker with a practice address in Stratford, Connecticut, and NPI 1851519391, issued on Apr 22, 2007. Check the license (Connecticut 005620, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Karel Roos
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 005620 CT
Self-reported in NPPES; status is on the state search - Practice location
- 2505 Main St, Stratford, CT 06615
- Phone
- (203) 386-0364
- Enumerated
- Apr 22, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (203) 744-4204
- Medicare enrollment
- Enrolled (PECOS I20120427000162); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 7,729 in Connecticut → Look up another NPI →
Also registered at 2505 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Carol Fenton, LCSWSocial Worker1629097894
- Ashley Frisina-Deyo, MS, ATC, LATAthletic Trainer1730631979
- Brian Grover, O.S.Optician1760616478
Verify Mark Karel Roos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 005620Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Hiaah PCBrookfield, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Karel Roos among 7,729 clinical social worker records in Connecticut
Mark Karel Roos, 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. Its NPI, issued in 2007, is newer than 14% of them.
- NPI issued2007 · 14% of these records are older, 76% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated1997 · median 2009 among the 1,784 with a school on file
- 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).
58 clinical social worker records list a practice address in Stratford
They are 58 of the 645 NPPES records with a practice address in Stratford, and 7,729 clinical social worker records in Connecticut.
All 7,729 in Connecticut → Every provider in Stratford → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Deborah Christy, LCSWStratford, CT 066151194785873
- Marilyn Dolcetti, LCSWStratford, CT 066151295891273
- Kelly Donnelly, LCSWStratford, CT 066151437384823
- Anna Gonzalez, MSW, LCSWStratford, CT 066151851725659
- Janet Harris, LCSWStratford, CT 066151043305741
- Nancy Humphreys, MS, MSWStratford, CT 066151265552475
- Robert Hurley, LCSWStratford, CT 066151366414237
- David Jacob, L.C.S.WStratford, CT 066151881655751
Common questions
What is Mark Karel Roos, LCSW's NPI number?
Mark Karel Roos, LCSW's National Provider Identifier (NPI) is 1851519391, issued on Apr 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Karel Roos, LCSW located?
The NPPES record lists a practice address at 2505 Main St, Stratford, CT, 06615. Phone: (203) 386-0364. Providers update this record themselves, so call before visiting.
How can I verify Mark Karel Roos, LCSW's license?
NPPES lists Connecticut license number 005620, 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. Medicare files from data.cms.gov. 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.