Joseph J. Brennan, DNP, MBA
Adult Health Nurse Practitioner · Afton, NY
Joseph J. Brennan, DNP, MBA is an adult health nurse practitioner with a practice address in Afton, New York, and NPI 1790328300, issued on Oct 26, 2019. Check the license (New York 309695, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joseph J. Brennan
- Credential
- DNP, MBA
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License numbers
- 309695 NY
433357 NY
Self-reported in NPPES; status is on the state search - Practice location
- 204 County Road 39, Afton, NY 13730
- Phone
- (607) 208-4284
- Enumerated
- Oct 26, 2019
- Record last updated
- Sep 7, 2025
- Fax
- (607) 900-3336
- Medicare enrollment
- Enrolled (PECOS I20201102000177); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 6,028 in New York → Look up another NPI →
Also registered at 204 County Road 39
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Hochman, NPFamily Nurse Practitioner1558339614
Verify Joseph J. Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 309695Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
978 Medicare Part D claims for 82 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 28 claims were for opioids.
Most prescribed
- Atorvastatin Calcium57 claims
- Hydrochlorothiazide47 claims
- Amlodipine Besylate45 claims
- Metoprolol Succinate42 claims
- Levothyroxine Sodium28 claims
- Losartan Potassium27 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $62.25
3 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Tri County Family Health And Adult Health NP ServicesAfton, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph J. Brennan among 6,028 adult health nurse practitioner records in New York
Joseph J. Brennan, DNP, MBA is one of 6,028 adult health nurse practitioner records with a practice address in New York. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 70% of them.
- NPI issued2019 · 70% of these records are older, 26% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated2020 · median 2016 among the 2,678 with a school on file
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 adult health nurse practitioner record lists a practice address in Afton
They are 1 of the 22 NPPES records with a practice address in Afton, and 6,028 adult health nurse practitioner records in New York.
All 6,028 in New York → Every provider in Afton → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Theresa MurphyEndicott, NY 137601245705110
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- Patricia Ellis, FNPPotsdam, NY 136761669694741
- Alison Grabowski, NPPotsdam, NY 136761649621905
- Marie-Paule Heylen, ANP-CPotsdam, NY 136761891042644
- Mary Rosenfeld, NPPotsdam, NY 136761588751192
- Nay Saechao, NPPotsdam, NY 136761386406031
- Brandy Benson, NPJohnson City, NY 137901518689462
Common questions
What is Joseph J. Brennan, DNP, MBA's NPI number?
Joseph J. Brennan, DNP, MBA's National Provider Identifier (NPI) is 1790328300, issued on Oct 26, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Joseph J. Brennan, DNP, MBA located?
The NPPES record lists a practice address at 204 County Road 39, Afton, NY, 13730. Phone: (607) 208-4284. Providers update this record themselves, so call before visiting.
How can I verify Joseph J. Brennan, DNP, MBA's license?
NPPES lists New York license number 309695, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Joseph J. Brennan, DNP, MBA prescribe under Medicare Part D?
In 2024, Joseph J. Brennan, DNP, MBA had 978 Medicare Part D claims for 82 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.