Marlene C. Longdon, NP
Psychiatric/Mental Health Nurse Practitioner · Williamsville, NY
Marlene C. Longdon, NP is a psychiatric/mental health nurse practitioner with a practice address in Williamsville, New York, and NPI 1912919291, issued on Aug 13, 2006. Check the license (New York F401008-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marlene C. Longdon
- Credential
- NP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- F401008-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 6245 Sheridan Dr, Williamsville, NY 14221
- Phone
- (716) 630-1205
- Enumerated
- Aug 13, 2006
- Record last updated
- Mar 17, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (716) 250-5954
- 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 6245 Sheridan Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Baggett, MDEmergency Medical Services (Emergency Medicine) Physician1437102712
- Roberta Beers-Schambach, RPAMedical Physician Assistant1801994694
- Rachel Brown, P.A.Medical Physician Assistant1689961054
- Douglas Bushell, DOEmergency Medical Services (Emergency Medicine) Physician1619916236
- Daniel Castellani, M.D.Specialist1669459368
- Paul Chan, DOEmergency Medical Services (Emergency Medicine) Physician1144269994
Verify Marlene C. Longdon 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 F401008-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $231.50
2 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, 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.
Marlene C. Longdon among 4,129 psychiatric/mental health nurse practitioner records in New York
Marlene C. Longdon, NP 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 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 92% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 46% of these records are
- Record last updated2008 · 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).
Psychiatric/Mental Health Nurse Practitioner providers in New York
There are 4,129 psychiatric/mental health nurse practitioner records in New York.
All 4,129 in New York → Every provider in Williamsville → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Tiffany Bonini, LPNWilliamsville, NY 142211972833291
- Jenny Cascio, PMHNPWilliamsville, NY 142211578727798
- Antoinette Chapman, PMHNPWilliamsville, NY 142211629282082
- Maureen Conway, PMHNPWilliamsville, NY 142211124195722
- Chanel Freeman, PMHNPWilliamsville, NY 142211679822191
- Susan Gunn, NPWilliamsville, NY 142211427070663
- Annmarie Kenny, PMHNPWilliamsville, NY 142211861645384
- Cynthia Miller, NURSE PRACTITIONERWilliamsville, NY 142211568753580
Common questions
What is Marlene C. Longdon, NP's NPI number?
Marlene C. Longdon, NP's National Provider Identifier (NPI) is 1912919291, issued on Aug 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marlene C. Longdon, NP located?
The NPPES record lists a practice address at 6245 Sheridan Dr, Williamsville, NY, 14221. Phone: (716) 630-1205. Providers update this record themselves, so call before visiting.
How can I verify Marlene C. Longdon, NP's license?
NPPES lists New York license number F401008-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity 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.