MS. KAREN EILEEN MCMILLAN LCSW, LCADC
NPI 1205050127
Counselor - Addiction (Substance Use Disorder) in Elkton, MD
About Ms. Karen Eileen Mcmillan Lcsw, Lcadc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KAREN EILEEN MCMILLAN LCSW, LCADC (NPI 1205050127) is an individual addiction (substance use disorder) provider in Elkton, Maryland, licensed in Maryland (LCA236) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Ms. Karen Eileen Mcmillan Lcsw, Lcadc 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 Reassignment
Medicare enrollment records show Karen Mcmillan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Dover, DE 19904
- Reassigned Medicare billing, Delaware enrollment
- 22 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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.
ELKTON, MD 21921
ELKTON, MD 21921
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 Karen Mcmillan's NPI number?
The NPI number for Karen Mcmillan is 1205050127. It was assigned to this individual provider in the NPPES registry on April 12, 2007.
Where is Karen Mcmillan located?
Karen Mcmillan practices at 212 Blue Ball Ave, Elkton, MD 21921. The listed phone number is (410) 620-6077.
What is Karen Mcmillan's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.
Is Karen Mcmillan enrolled in Medicare?
Yes. Karen Mcmillan 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 organization bills Medicare for Karen Mcmillan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Mcmillan reassigns Medicare benefits to A Center For Mental Wellness, Inc. (Dover, DE). The 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 Karen Mcmillan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Mcmillan accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Highmark Blue Cross Blue Shield Delaware list Karen Mcmillan 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 Karen Mcmillan was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Ms. Karen Eileen Mcmillan, LCSW, LCADC · NPI 1205050127
Addiction (Substance Use Disorder) provider in Elkton, Maryland. Individual provider, active in the CMS NPPES registry since April 12, 2007.
## Identity
- **NPI:** 1205050127 (Entity type: Individual)
- **Enumerated:** April 12, 2007
- **Primary specialty:** Counselor - Addiction (Substance Use Disorder) · taxonomy 101YA0400X
- **State license:** LCA236 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 212 BLUE BALL AVE, Elkton, MD 21921-5222
- **Phone:** (410) 620-6077 · **Fax:** (410) 620-6081
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** A Center For Mental Wellness, Inc. (NPI 1639325822, Dover, DE), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** July 9, 2007
- **Other identifiers:** Medicaid 101YA0400X (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1205050127) · Data from the CMS NPPES public registry.