Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mary Ellen Rubin, PH.D.

Clinical Psychologist in Williamsville, NY · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1962496240

Verified

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Registry record

Entity type Individual (Type 1)

Name Mary Ellen Rubin

Credential PH.D.

Sex Female

Practice address Williamsville, NY, 14221

Phone (716) 632-5563

Enumeration date Sep 1, 2005

Last updated in NPPES Jul 8, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 005749-1 (NY) Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Other identifiers

Identifier	Type	State	Issuer
000507521001	Other	NY	BLUE CROSS

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Mary Ellen Rubin?

The National Provider Identifier (NPI) for Mary Ellen Rubin is 1962496240, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mary Ellen Rubin practice?

The practice location on file with NPPES is in Williamsville, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Daniel Castellani Specialist · Williamsville, NY NPI 1669459368 Sreekrishna Cheruvu Emergency Medical Services (Emergency Medicine) Physician · Williamsville, NY NPI 1598717720 Jose Perez-Brache Emergency Medical Services (Emergency Medicine) Physician · Williamsville, NY NPI 1033162144 Michael Baggett Emergency Medical Services (Emergency Medicine) Physician · Williamsville, NY NPI 1437102712 Edward Cosgrove Emergency Medical Services (Emergency Medicine) Physician · Williamsville, NY NPI 1639123433 Jay Newman Emergency Medical Services (Emergency Medicine) Physician · Williamsville, NY NPI 1073567954 Daniel Cofie Emergency Medical Services (Emergency Medicine) Physician · Williamsville, NY NPI 1023063005 Brian Lucas Emergency Medical Services (Emergency Medicine) Physician · Williamsville, NY NPI 1205882636

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.