Mary Gwynne Tillotson, PMHNP
Psychiatric/Mental Health Nurse Practitioner · Niagara Falls, NY
Mary Gwynne Tillotson, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Niagara Falls, New York, and NPI 1780284869, issued on Oct 28, 2020. Check the license (New York 403249, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Gwynne Tillotson
- Credential
- PMHNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 403249 NY
Self-reported in NPPES; status is on the state search - Practice location
- 621 10TH St, Niagara Falls, NY 14301
- Phone
- (716) 278-4541
- Enumerated
- Oct 28, 2020
- Record last updated
- Jan 20, 2022
- Fax
- (716) 278-4544
- Medicare enrollment
- Enrolled (PECOS I20210316000578); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 4,129 in New York → Look up another NPI →
Also registered at 621 10TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rajinder Bajwa, M.D.Infectious Disease Physician1831419654
- John Barksdale, BSWClinical Social Worker1184834772
Verify Mary Gwynne Tillotson 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 403249Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.7 times the Medicare Part D claims of the average psychiatric/mental health nurse practitioner in 2024
6,031 Medicare Part D claims for 275 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Trazodone Hcl379 claims
- Lamotrigine291 claims
- Quetiapine Fumarate284 claims
- Alprazolam250 claims
- Mirtazapine235 claims
- Olanzapine219 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: $2,036.61
103 payments; by number, the most common kind was food and beverage; the largest payer was Vanda Pharmaceuticals Inc. The 23,362 providers of this specialty with any payment received $1,027.77 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.
One hospital affiliation
- Niagara Falls Memorial Medical CenterNiagara Falls, NY · Acute Care Hospitals1 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Mary Gwynne Tillotson among 4,129 psychiatric/mental health nurse practitioner records in New York
Mary Gwynne Tillotson, PMHNP is one of 4,129 psychiatric/mental health nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 58% of them.
- NPI issued2020 · 58% of these records are older, 37% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated2020 · median 2021 among the 1,914 with a school on file
- Record last updated2022 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 psychiatric/mental health nurse practitioner records list a practice address in Niagara Falls
They are 12 of the 1,100 NPPES records with a practice address in Niagara Falls, and 4,129 psychiatric/mental health nurse practitioner records in New York.
All 4,129 in New York → Every provider in Niagara Falls → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Katie BurkeNiagara Falls, NY 143011649711714
- John Copas, PMHNPNiagara Falls, NY 143011790393585
- Molly Dolan, RNNiagara Falls, NY 143011508623935
- Virginia Finch, NPNiagara Falls, NY 143011235391525
- Vivian Gerard, NP, LCSWE AND RNNiagara Falls, NY 143011386794006
- Caridad GonzalezNiagara Falls, NY 143011669284980
- Christina Kowal, PMHNP-BCNiagara Falls, NY 143011649751942
- Janelle PostNiagara Falls, NY 143011265781025
Common questions
What is Mary Gwynne Tillotson, PMHNP's NPI number?
Mary Gwynne Tillotson, PMHNP's National Provider Identifier (NPI) is 1780284869, issued on Oct 28, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Mary Gwynne Tillotson, PMHNP located?
The NPPES record lists a practice address at 621 10TH St, Niagara Falls, NY, 14301. Phone: (716) 278-4541. Providers update this record themselves, so call before visiting.
How can I verify Mary Gwynne Tillotson, PMHNP's license?
NPPES lists New York license number 403249, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Gwynne Tillotson, PMHNP prescribe under Medicare Part D?
In 2024, Mary Gwynne Tillotson, PMHNP had 6,031 Medicare Part D claims for 275 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.