Mark I. Segal, LLC
NPI 1710231980 · Clinical Social Worker · Crofton, MD
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark I. Segal, LLC is a Clinical Social Worker organization in Crofton, MD (NPI 1710231980).
Provider details
- NPI number
- 1710231980
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Mark Segal, Owner(443) 292-4164
- License
- 11838 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-11-09
- Last updated
- 2012-11-09
Frequently asked questions
- What is Mark I. Segal, LLC's NPI number?
- Mark I. Segal, LLC's National Provider Identifier (NPI) is 1710231980, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark I. Segal, LLC?
- Mark I. Segal, LLC is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark I. Segal, LLC located?
- Mark I. Segal, LLC's practice location on file with NPPES is 931 Truro Ln, Crofton, MD 21114-1203.
- What is Mark I. Segal, LLC's phone number?
- The practice phone number listed in the NPPES registry for Mark I. Segal, LLC is (443) 292-4164.
- Does Mark I. Segal, LLC accept Medicare?
- Mark I. Segal, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mark I. Segal, LLC?
- The authorized official listed on Mark I. Segal, LLC's NPPES record is Mark Segal, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark I. Segal, LLC's NPI active?
- Yes — Mark I. Segal, LLC's NPI (1710231980) is active in the NPPES registry as of the last update on 2012-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.