LYNN MAHAN LCSW-C
NPI 1811087174
Social Worker - Clinical in Nottingham, MD
About Lynn Mahan Lcsw-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LYNN MAHAN LCSW-C (NPI 1811087174) is an individual clinical provider in Nottingham, Maryland, licensed in Maryland (15958) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1992).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Lynn Mahan Lcsw-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Lynn Mahan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21237
- Reassigned Medicare billing, Maryland enrollment
- 2 clinicians in this Medicare group
Miami, FL 33130
- Reassigned Medicare billing, Colorado, District of Columbia and Florida enrollments
- 504 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21236 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21236
NOTTINGHAM, MD 21236
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Lynn Mahan's NPI number?
The NPI number for Lynn Mahan is 1811087174. It was assigned to this individual provider in the NPPES registry on October 14, 2006.
Where is Lynn Mahan located?
Lynn Mahan practices at 4920 Campbell Blvd, Nottingham, MD 21236. The listed phone number is (410) 933-7761.
What is Lynn Mahan's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Lynn Mahan enrolled in Medicare?
Yes. Lynn Mahan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Lynn Mahan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lynn Mahan reassigns Medicare benefits to 2 organizations: Harvey L Gewanter Phd And Associates (Baltimore, MD) and Grow Healthcare Group PA (Miami, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lynn Mahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lynn Mahan accept?
Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare and UnitedHealthcare list Lynn Mahan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Lynn Mahan was last updated on January 4, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Lynn Mahan, LCSW-C · NPI 1811087174
Clinical provider in Nottingham, Maryland. Individual provider, active in the CMS NPPES registry since October 14, 2006.
## Identity
- **NPI:** 1811087174 (Entity type: Individual)
- **Enumerated:** October 14, 2006
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 15958 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 4920 CAMPBELL BLVD, Nottingham, MD 21236-5916
- **Phone:** (410) 933-7761
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Harvey L Gewanter Phd And Associates (NPI 1912051210, Baltimore, MD); Grow Healthcare Group PA (NPI 1245845932, Miami, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1992
## Record status
- **NPPES last updated:** January 4, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1811087174) · Data from the CMS NPPES public registry.