Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Donna J. Zahniser, M.D. P.A.

Q: What type of organization is Donna J. Zahniser, M.D. P.A.?

Donna J. Zahniser, M.D. P.A. is registered in NPPES as a Medical Oncology Physician (its primary provider taxonomy).

Medical Oncology Physician in El Dorado, AR · enumerated 2009 · authorized official Donna Zahniser, Owner.

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

National Provider Identifier

1023241445

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Registry record

Entity type Organization (Type 2)

Legal business name Donna J. Zahniser, M.D. P.A.

Practice address 615 Thompson, El Dorado, AR, 71730

Phone (870) 862-0532

Fax (870) 863-0834

Enumeration date Sep 2, 2009

Last updated in NPPES Sep 2, 2009

Taxonomy & classification

207RX0202X Medical Oncology Physician Allopathic & Osteopathic Physicians · License C4985 (AR) Primary

Authorized official

Name Donna Zahniser

Title Owner

Phone (870) 862-0532

Other identifiers

Identifier	Type	State	Issuer
106-144-001	Medicaid	AR	-

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 type of organization is Donna J. Zahniser, M.D. P.A.?

Donna J. Zahniser, M.D. P.A. is registered in NPPES as a Medical Oncology Physician (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-09-02.