Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Gail Bain-Markowski, NP

Individual provider Adult Health Nurse Practitioner · NPI 1346301744

Gail Bain-Markowski, NP is a Nurse Practitioner in Buffalo, New York. Qualified in 1998, 28 years ago. Practices with Mercy Hospital of Buffalo, a 198-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
28
Licensed in
NY
In the registry since
2006
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

565 Abbott Rd Mercy Hospital
Buffalo, NY 14220-2039 Not confirmed with CMS for 15 years — call before visiting
Phone: (716) 828-2392
Fax: (716) 828-3620
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence F302637 (NY)

Record details

NPI number1346301744
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedDecember 12, 2006
Last updated in NPPESApril 1, 2011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice Mercy Hospital Of Buffalo — 198 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $517 5 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Mercy Hospital of Buffalo

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 198 clinicians in the practice; 12 are shown here.

Other providers in Buffalo