Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Michael Gregory Willis, PHARM.D.

Pharmacist in Durham, NC · enumerated 2005.

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

National Provider Identifier

1023005402

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Registry record

Entity type Individual (Type 1)

Name Dr. Michael Gregory Willis

Credential PHARM.D.

Sex Male

Practice address 3643 N Roxboro St, Durham, NC, 27704

Phone (919) 470-4168

Fax (919) 470-7365

Enumeration date Sep 30, 2005

Last updated in NPPES Jul 13, 2026

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 17321 (NC) Primary

183500000X Pharmacist Pharmacy Service Providers · License 14200 (AZ) Secondary

PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy. About the PHARMD credential

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 Michael Willis?

The National Provider Identifier (NPI) for Michael Willis is 1023005402, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Willis practice?

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

Other providers at this practice address

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Nirmish Shah Internal Medicine Physician · Durham, NC NPI 1033113899 Duke University Health System, Inc. General Acute Care Hospital · Durham, NC NPI 1871592113 Select Specialty Hospital - Durham Inc Long Term Care Hospital · Durham, NC NPI 1306845482 Duke University Health System Inc Psychiatric Hospital Unit · Durham, NC NPI 1811996820 Duke University Health System, Inc. Rehabilitation Hospital Unit · Durham, NC NPI 1710986732 Lynne Crusoe Pharmacist · Durham, NC NPI 1730176132 Scott Shofer Pulmonary Disease Physician · Durham, NC NPI 1538156070 Aranjeet Sidhu Pharmacist · Durham, NC NPI 1720075245

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