NPPES file of Aug 9, 2026

Diane P. Ryan, FNP

Nurse Practitioner · Buffalo, NY

Diane P. Ryan, FNP is a nurse practitioner with a practice address in Buffalo, New York, and NPI 1346250966, issued on Aug 8, 2006. Check the license (New York F334222-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346250966
Name
Diane P. Ryan
Credential
FNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
F334222-1 NY
Self-reported in NPPES; status is on the state search
Practice location
3435 Bailey Ave, Buffalo, NY 14215
Phone
(716) 835-2966
Enumerated
Aug 8, 2006
Record last updated
Aug 23, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(716) 834-3901
Medicaid ID
02780798 NY
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest nurse practitioner records → All 3,097 in New York → Look up another NPI →

Also registered at 3435 Bailey Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Banas, MDCardiovascular Disease Physician1447283288
  2. Kristen Clancy, RPA-CPhysician Assistant1942443668
  3. Prajwal Deshmukh, M.D.Cardiovascular Disease Physician1942414578
  4. Joseph Gelormini, M.DCardiovascular Disease Physician1790790442
  5. Robert Gianfagna, MDCardiovascular Disease Physician1386650943
  6. Michael Hong, MDCardiovascular Disease Physician1760595771

Verify Diane P. Ryan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license F334222-1    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

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99% fewer Medicare Part D claims than the average nurse practitioner in 2024

12 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Diane Ryan12
  2. Specialty average1,109

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.

Diane P. Ryan among 3,097 nurse practitioner records in New York

Diane P. Ryan, FNP is one of 3,097 nurse practitioner records with a practice address in New York. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 70% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · 44% of these records are
  • Record last updated2014 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

221 nurse practitioner records list a practice address in Buffalo

They are 221 of the 13,287 NPPES records with a practice address in Buffalo, and 3,097 nurse practitioner records in New York.

All 3,097 in New York → Every provider in Buffalo → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Tina DubeckBuffalo, NY 142151124597521
  2. Matthew Hodgson, NPBuffalo, NY 142151659809762
  3. Melissa Hovak, AGPCNP-BCBuffalo, NY 142151851853980
  4. Chris Hull, NPBuffalo, NY 142151043572829
  5. Judith Jacumski, N.P.Buffalo, NY 142151871516591
  6. Kuldeep MannBuffalo, NY 142151477911089
  7. Ayaan MohamedBuffalo, NY 142151790298883
  8. Aaron Pack, NPBuffalo, NY 142151598042079

Common questions

What is Diane P. Ryan, FNP's NPI number?

Diane P. Ryan, FNP's National Provider Identifier (NPI) is 1346250966, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Diane P. Ryan, FNP located?

The NPPES record lists a practice address at 3435 Bailey Ave, Buffalo, NY, 14215. Phone: (716) 835-2966. Providers update this record themselves, so call before visiting.

How can I verify Diane P. Ryan, FNP's license?

NPPES lists New York license number F334222-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Diane P. Ryan, FNP prescribe under Medicare Part D?

In 2024, Diane P. Ryan, FNP had 12 Medicare Part D claims; the average among nurse practitioner prescribers was 1,109. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.