Mark Ian Segal, LCSW-C
Clinical Social Worker · Crofton, MD
Mark Ian Segal, LCSW-C is a clinical social worker with a practice address in Crofton, Maryland, and NPI 1154591527, issued on Mar 2, 2008. Check the license (Maryland 11838, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark Ian Segal
- Credential
- LCSW-C
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 11838 MD
Self-reported in NPPES; status is on the state search - Practice location
- 931 Truro LN, Crofton, MD 21114
- Phone
- (443) 292-4164
- Enumerated
- Mar 2, 2008
- Record last updated
- Nov 9, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 0588059 00 MD
- Medicare enrollment
- Enrolled (PECOS I20121205000166); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 9,007 in Maryland → Look up another NPI →
Verify Mark Ian Segal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 11838Check 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 Ian Segal among 9,007 clinical social worker records in Maryland
Mark Ian Segal, LCSW-C is one of 9,007 clinical social worker records with a practice address in Maryland. 11% 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 2008, is newer than 23% of them.
- NPI issued2008 · 23% of these records are older, 74% newer
- In a Medicare fileNo · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1998 · median 2006 among the 1,685 with a school on file
- Record last updated2012 · 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 clinical social worker records list a practice address in Crofton
They are 33 of the 488 NPPES records with a practice address in Crofton, and 9,007 clinical social worker records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,007 in Maryland → Every provider in Crofton → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Helen Bianca, LCSW-CCrofton, MD 211141013093319
- Delores Burrill, MSW, LCSWCrofton, MD 211141750532461
- Cynthia Butler, L.C.S.W.-C.Crofton, MD 211141548356165
- Teresa Catucci, MSWCrofton, MD 211141982676953
- Barbara Galuska, LCSW-CCrofton, MD 211141104924554
- Michael Gillooly, LCSW-CCrofton, MD 211141336297472
- Marian Kaufman, LCSW-CCrofton, MD 211141144399346
- Theresa Keeler, MSW, LCSW-CCrofton, MD 211141164586582
Common questions
What is Mark Ian Segal, LCSW-C's NPI number?
Mark Ian Segal, LCSW-C's National Provider Identifier (NPI) is 1154591527, issued on Mar 2, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mark Ian Segal, LCSW-C located?
The NPPES record lists a practice address at 931 Truro LN, Crofton, MD, 21114. Phone: (443) 292-4164. Providers update this record themselves, so call before visiting.
How can I verify Mark Ian Segal, LCSW-C's license?
NPPES lists Maryland license number 11838, as entered by the provider. Search the Maryland 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.