KIMBERLY LYNN MASON MA, NCC
NPI 1891168027
Counselor - Addiction (Substance Use Disorder) in West Chester, PA
About Kimberly Lynn Mason Ma, Ncc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KIMBERLY LYNN MASON MA, NCC (NPI 1891168027) is an individual addiction (substance use disorder) provider in West Chester, Pennsylvania and active in the NPI registry since November 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
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
Kimberly Lynn Mason Ma, Ncc 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 Kimberly Mason reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Exton, PA 19341
- Reassigned Medicare billing, Pennsylvania enrollment
- 7 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.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST CHESTER, PA 19382
WEST CHESTER, PA 19382
WEST CHESTER, PA 19382
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 Kimberly Mason's NPI number?
The NPI number for Kimberly Mason is 1891168027. It was assigned to this individual provider in the NPPES registry on November 10, 2015.
Where is Kimberly Mason located?
Kimberly Mason practices at 1242 W Chester Pike Suite 200, West Chester, PA 19382. The listed phone number is (484) 266-0084.
What is Kimberly Mason's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.
Is Kimberly Mason enrolled in Medicare?
Yes. Kimberly Mason 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 Kimberly Mason's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kimberly Mason reassigns Medicare benefits to Asim Rana MD PC (Exton, PA). 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 Kimberly Mason's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Kimberly Mason was last updated on November 10, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Kimberly Lynn Mason, MA, NCC · NPI 1891168027
Addiction (Substance Use Disorder) provider in West Chester, Pennsylvania. Individual provider, active in the CMS NPPES registry since November 10, 2015.
## Identity
- **NPI:** 1891168027 (Entity type: Individual)
- **Enumerated:** November 10, 2015
- **Primary specialty:** Counselor - Addiction (Substance Use Disorder) · taxonomy 101YA0400X
- **Sole proprietor:** No
## Practice location
- **Address:** 1242 W CHESTER PIKE, SUITE 200, West Chester, PA 19382-5657
- **Phone:** (484) 266-0084 · **Fax:** (484) 266-0103
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Asim Rana MD PC (NPI 1962839167, Exton, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** November 10, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1891168027) · Data from the CMS NPPES public registry.