Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. William Henry Harrison Reeder III, M.D.

Rheumatology Physician in Redding, CA · enumerated 2006.

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

National Provider Identifier

1134171564

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Registry record

Entity type Individual (Type 1)

Name Dr. William Henry Harrison Reeder III

Credential M.D.

Sex Male

Practice address 2510 Airpark Dr, Suite #305, Redding, CA, 96001

Phone (530) 241-8822

Fax (530) 241-0746

Enumeration date May 16, 2006

Last updated in NPPES Apr 16, 2012

Taxonomy & licenses

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License G50653 (CA) 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
00G506530	Medicaid	CA	-

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 Reeder?

The National Provider Identifier (NPI) for William Reeder is 1134171564, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Reeder practice?

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

Other providers at this practice address

Browse all →

Daniel Lensink Ophthalmology Physician · Redding, CA NPI 1235124835 Redding Family Medical Group Inc Family Medicine Physician · Redding, CA NPI 1487640868 Michael Obrien Neurology Physician · Redding, CA NPI 1952382228 North State Cancer Specialty Inc Hematology & Oncology Physician · Redding, CA NPI 1396701546 Arthritis Associates of Redding, A Medical Group Rheumatology Physician · Redding, CA NPI 1457302762 Timothy Peters Rheumatology Physician · Redding, CA NPI 1417909847 Daniel B. Lensink MD Medical Corporation Corporate Health Clinic/Center · Redding, CA NPI 1841244902 Ellen Nordal Family Nurse Practitioner · Redding, CA NPI 1275569063

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-04-16.