Mary Gaynor, FNP
Registered Nurse · Buffalo, NY
Mary Gaynor, FNP is a registered nurse with a practice address in Buffalo, New York, and NPI 1356782742, issued on Jul 12, 2013. Check the license (New York 630917, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Gaynor
- Credential
- FNP
- Primary taxonomy
- Registered Nurse 163W00000X
- License numbers
- 630917 NY
F338183 NY
Self-reported in NPPES; status is on the state search - Practice location
- 100 High St, Buffalo, NY 14203
- Phone
- (716) 859-2401
- Enumerated
- Jul 12, 2013
- Record last updated
- Apr 7, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest registered nurse records → All 25,740 in New York → Look up another NPI →
Also registered at 100 High St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jamie Abbott, PHD, MSGenetic Counselor (M.S.)1093411522
- Amr Abd El-Radi, MDInternal Medicine Physician1124681614
- Mohamed Abdel-Aal Ahmed, M.D.Cardiovascular Disease Physician1164834776
- Jonah Abdo-Suarez, PHARMACISTPharmacist1164259826
- Samira Abdulkadir, PA-CPhysician Assistant1376344721
- Omar Abialmouna, MDRheumatology Physician1518527092
Verify Mary Gaynor 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 630917Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average registered nurse in 2024
458 Medicare Part D claims for 146 beneficiaries, against an average of 678 among the 694 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Clopidogrel122 claims
- Prasugrel Hcl107 claims
- Brilinta40 claims
- Rosuvastatin Calcium27 claims
- Amlodipine Besylate18 claims
- Metoprolol Succinate16 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $89.13
1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 1,191 providers of this specialty with any payment received $505.98 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.
Mary Gaynor among 25,740 registered nurse records in New York
Mary Gaynor, FNP is one of 25,740 registered nurse records with a practice address in New York. 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 32% of them.
- NPI issued2013 · 32% of these records are older, 63% newer
- In a Medicare fileYes · 1% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2016 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
572 registered nurse records list a practice address in Buffalo
They are 572 of the 13,287 NPPES records with a practice address in Buffalo, and 25,740 registered nurse records in New York.
All 25,740 in New York → Every provider in Buffalo → Registered Nurse nationwide →
The 8 registered nurse records with the nearest ZIP codes
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- Sandra Lembke, RNBuffalo, NY 142031184736266
- Megan Malone, RNBuffalo, NY 142031679927107
- Rebecca Schiltz, R.N.Buffalo, NY 142031932623485
Common questions
What is Mary Gaynor, FNP's NPI number?
Mary Gaynor, FNP's National Provider Identifier (NPI) is 1356782742, issued on Jul 12, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Mary Gaynor, FNP located?
The NPPES record lists a practice address at 100 High St, Buffalo, NY, 14203. Phone: (716) 859-2401. Providers update this record themselves, so call before visiting.
How can I verify Mary Gaynor, FNP's license?
NPPES lists New York license number 630917, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Gaynor, FNP prescribe under Medicare Part D?
In 2024, Mary Gaynor, FNP had 458 Medicare Part D claims for 146 beneficiaries; the average among registered nurse prescribers was 678. Part D covers Medicare prescriptions only.
What is Mary Gaynor, FNP's MIPS final score?
The 2023 MIPS final score is 94.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.