Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mary T Montague, CNS

Individual provider Clinical Nurse Specialist · NPI 1649258922

Mary T Montague, CNS is a Clinical Nurse Specialist in Cleveland, Ohio. Practices as a sole proprietor. Licensed in Ohio.

Licensed in
OH
In the registry since
2006
What do these letters mean?
CNS — Clinical Nurse Specialist
An advanced practice nurse specialising in a patient population or setting.

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Practice location Address checks out

9500 Euclid Ave
Cleveland, OH 44195-0001 Not confirmed with CMS for 16 years — call before visiting
Phone: (216) 444-1878
Fax: (216) 636-0455
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Nurse Specialist (primary) Taxonomy 364S00000X · Licence NS08605 (OH)

Record details

NPI number1649258922
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNS
Sole proprietorYes
NPI enumeratedJanuary 6, 2006
Last updated in NPPESMay 3, 2010

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients44
Services billed 59 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

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 $145 6 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.

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