Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Katherine M Welty, MD

Family Medicine Physician in Longwood, FL · enumerated 2005.

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

National Provider Identifier

1881677516

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Registry record

Entity type Individual (Type 1)

Name Katherine M Welty

Credential MD

Sex Female

Practice address 651 W Warren Ave Ste 100, Longwood, FL, 32750

Phone (407) 438-8840

Fax (407) 438-8893

Enumeration date Nov 28, 2005

Last updated in NPPES Jun 7, 2022

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License ME0068336 (FL) Primary

207QA0401X Addiction Medicine (Family Medicine) Physician Allopathic & Osteopathic Physicians · License ME68336 (FL) Secondary

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
5174561	Other	FL	AETNA
24506	Other	FL	BLUE CROSS BLUE SHEILD
7549512C	Other	FL	CIGNA

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 Katherine Welty?

The National Provider Identifier (NPI) for Katherine Welty is 1881677516, a Type 1 (individual) record in the CMS NPPES registry.

Where does Katherine Welty practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-06-07.