MARY ELLEN JOHNSON FNP-BC
NPI 1831825686
Nurse Practitioner - Family in Halfmoon, NY
About Mary Ellen Johnson Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ELLEN JOHNSON FNP-BC (NPI 1831825686) is an individual family provider in Halfmoon, New York, licensed in New York (349935) and active in the NPI registry since July 2022. She is enrolled in Medicare PECOS, is affiliated with Samaritan Hospital Of Troy, New York, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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 Johnson Fnp-bc 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 Johnson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Latham, NY 12110
- Reassigned Medicare billing, New York enrollment
- 474 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 22
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Samaritan Hospital Of Troy, New York
Acute Care Hospitals · Troy, NYSunnyview Hospital And Rehabilitation Center
Acute Care Hospitals · Schenectady, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 12065 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Johnson's NPI number?
The NPI number for Mary Johnson is 1831825686. It was assigned to this individual provider in the NPPES registry on July 25, 2022. The provider is also known as Mary Ellen Passineau Fnp.
Where is Mary Johnson located?
Mary Johnson practices at 1783 Route 9 Ste 102, Halfmoon, NY 12065. The listed phone number is (518) 383-4198.
What is Mary Johnson's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mary Johnson enrolled in Medicare?
Yes. Mary Johnson 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 Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Johnson reassigns Medicare benefits to Community Care Physicians, PLLC (Latham, NY). 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 Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mary Johnson affiliated with any hospitals?
According to CMS data, Mary Johnson is affiliated with Samaritan Hospital Of Troy, New York and Sunnyview Hospital And Rehabilitation Center.
When was this NPI record last updated?
The NPPES record for Mary Johnson was last updated on September 20, 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.