Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. William J Duggan, DO

Obstetrics & Gynecology Physician in Centerville, OH · enumerated 2005.

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

National Provider Identifier

1972589810

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Registry record

Entity type Individual (Type 1)

Name Dr. William J Duggan

Credential DO

Sex Male

Practice address 10571 Falls Creek Ln, Centerville, OH, 45458

Phone (937) 885-1750

Fax (937) 885-1751

Enumeration date Dec 22, 2005

Last updated in NPPES May 13, 2013

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 34003999 (OH) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
0720167	Other	OH	UNITED HEALTH CARE
D0399911	Other	OH	HUMANA/CHOICECARE
0694481	Medicaid	OH	-
160058958	Other	OH	RAILROAD MEDICARE
000000227866	Other	OH	ANTHEM
000000227866	Other	OH	UNICARE
34003999D	Other	OH	MEDICAL LICENSE
D0399910	Other	OH	HUMANA/CHOICECARE
421534506060	Other	OH	CARESOURCE
OC018842	Other	OH	NATIONWIDE
2916334	Other	OH	AETNA

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 William Duggan?

The National Provider Identifier (NPI) for William Duggan is 1972589810, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Duggan practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-05-13.