Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Margaret Mcaloon, MD

Internal Medicine Physician in Buffalo, NY · enumerated 2006 · practices at Kaleida Health - Women'S and Children'S Hospital of Buffalo.

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

National Provider Identifier

1932200540

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Registry record

Entity type Individual (Type 1)

Name Margaret Mcaloon

Credential MD

Sex Female

Practice address 239 Bryant St, Buffalo, NY, 14222

Phone (716) 878-7655

Enumeration date Sep 26, 2006

Last updated in NPPES Nov 30, 2011

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 145647 (NY) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
0408740	Other	NY	INDEPENDENT HEALTH
00010113601	Other	NY	EXCELLUS UNIVERA
005087655	Other	NY	HEALTH NOW
00663098	Medicaid	NY	-

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.

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Frequently asked questions

What is the NPI number for Margaret Mcaloon?

The National Provider Identifier (NPI) for Margaret Mcaloon is 1932200540, a Type 1 (individual) record in the CMS NPPES registry.

Where does Margaret Mcaloon practice?

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

Other providers at this practice address

Browse all →

Kathleen Ziomek Family Nurse Practitioner · Buffalo, NY NPI 1013974070 Cheryl Gonda Women's Health Nurse Practitioner · Buffalo, NY NPI 1659339935 Donna Keeton Women's Health Nurse Practitioner · Buffalo, NY NPI 1457390304 Joseph Cronin Internal Medicine Physician · Buffalo, NY NPI 1124039573 Debora Devine Women's Health Nurse Practitioner · Buffalo, NY NPI 1619980034 Karen Torre Nurse Practitioner · Buffalo, NY NPI 1740375906 Cheryl Hayes Women's Health Nurse Practitioner · Buffalo, NY NPI 1215064217 Kaleida Health - Women'S and Children'S Hospital of Buffalo Children's Hospital · Buffalo, NY NPI 1649576885

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-11-30.