MARY ELLEN COOK M.A.
NPI 1962633487
Counselor - Mental Health in Langhorne, PA
About Mary Ellen Cook M.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ELLEN COOK M.A. (NPI 1962633487) is an individual mental health provider in Langhorne, Pennsylvania and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS and is a graduate of Other (1981).
NPPES Registry Identity
Specialties & Licenses 2
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
Mary Ellen Cook M.a. 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 Mary Ellen Cook reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Langhorne, PA 19047
- Reassigned Medicare billing, Pennsylvania enrollment
- 14 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LANGHORNE, PA 19047
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 Mary Ellen Cook's NPI number?
The NPI number for Mary Ellen Cook is 1962633487. It was assigned to this individual provider in the NPPES registry on July 31, 2009.
Where is Mary Ellen Cook located?
Mary Ellen Cook practices at 1717 Newtown-Langhorne Road One Summit Square, Suite 304, Langhorne, PA 19047. The listed phone number is (215) 882-4445.
What is Mary Ellen Cook's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Mary Ellen Cook enrolled in Medicare?
Yes. Mary Ellen Cook 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 Mary Ellen Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Ellen Cook reassigns Medicare benefits to Newtown Psychotherapy Center (Langhorne, 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 Mary Ellen Cook'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 Mary Ellen Cook was last updated on May 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mary Ellen Cook, M.A. · NPI 1962633487
Mental Health provider in Langhorne, Pennsylvania. Individual provider, active in the CMS NPPES registry since July 31, 2009.
## Identity
- **NPI:** 1962633487 (Entity type: Individual)
- **Enumerated:** July 31, 2009
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1717 NEWTOWN-LANGHORNE ROAD, ONE SUMMIT SQUARE, SUITE 304, Langhorne, PA 19047-1091
- **Phone:** (215) 882-4445
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Newtown Psychotherapy Center (NPI 1255754768, Langhorne, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1981
## Record status
- **NPPES last updated:** May 15, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1962633487) · Data from the CMS NPPES public registry.