MR. JOSEPH J BRENNAN DNP, MBA
NPI 1790328300
Nurse Practitioner - Adult Health in Afton, NY
About Mr. Joseph J Brennan Dnp, Mba NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. JOSEPH J BRENNAN DNP, MBA (NPI 1790328300) is an individual adult health provider in Afton, New York, licensed in New York (309695) and active in the NPI registry since October 2019. He is enrolled in Medicare PECOS, is affiliated with Chenango Memorial Hospital, and is a graduate of Other (2020).
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
Mr. Joseph J Brennan Dnp, Mba 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
3Medicare enrollment records show Joseph Brennan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Afton, NY 13730
- Reassigned Medicare billing, New York enrollment
- 2 clinicians in this Medicare group
Binghamton, NY 13905
- Reassigned Medicare billing, New York enrollment
- 528 clinicians in this Medicare group
Johnson City, NY 13790
- Reassigned Medicare billing, New York enrollment
- 854 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Chenango Memorial Hospital
Acute Care Hospitals · Norwich, NYUnited Health Services Hospitals, Inc
Acute Care Hospitals · Binghamton, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 13730 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
AFTON, NY 13730
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 Joseph Brennan's NPI number?
The NPI number for Joseph Brennan is 1790328300. It was assigned to this individual provider in the NPPES registry on October 26, 2019.
Where is Joseph Brennan located?
Joseph Brennan practices at 204 County Road 39, Afton, NY 13730. The listed phone number is (607) 208-4284.
What is Joseph Brennan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Joseph Brennan enrolled in Medicare?
Yes. Joseph Brennan 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 Joseph Brennan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Brennan reassigns Medicare benefits to 3 organizations: Tri County Family Health And Adult Health Np Services (Afton, NY), United Medical Associates PC (Binghamton, NY) and United Health Services Hospitals, Inc. (Johnson City, NY). 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 Joseph Brennan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Joseph Brennan affiliated with any hospitals?
According to CMS data, Joseph Brennan is affiliated with Chenango Memorial Hospital and United Health Services Hospitals, Inc.
When was this NPI record last updated?
The NPPES record for Joseph Brennan was last updated on September 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Mr. Joseph J Brennan, DNP, MBA · NPI 1790328300
Adult Health physician in Afton, New York. Individual provider, active in the CMS NPPES registry since October 26, 2019.
## Identity
- **NPI:** 1790328300 (Entity type: Individual)
- **Enumerated:** October 26, 2019
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 309695 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 204 COUNTY ROAD 39, Afton, NY 13730-2252
- **Phone:** (607) 208-4284 · **Fax:** (607) 900-3336
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Tri County Family Health And Adult Health Np Services (NPI 1053089516, Afton, NY); United Medical Associates PC (NPI 1013972801, Binghamton, NY); United Health Services Hospitals, Inc. (NPI 1962463851, Johnson City, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** September 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1790328300) · Data from the CMS NPPES public registry.