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WILLIAM BOYCE DAVIS M.D.
NPI 1336145689
Family Medicine in Winters, CA

Active since June 22, 2005PECOS Enrolled
107 MAIN ST, WINTERS, CA 95694(530) 795-1110(530) 795-1115 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William Boyce Davis M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM BOYCE DAVIS M.D. (NPI 1336145689) is an individual family medicine provider in Winters, California, licensed in California (G54959) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336145689
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameWILLIAM BOYCE DAVISCredential: M.D.
Location Address107 MAIN STWinters, CA 95694-1930
Mailing Address107 Main St, Po Box 881Winters, CA 95694-1930 · (530) 795-1110 · Fax (530) 795-1115
Phone(530) 795-1110
Fax(530) 795-1115
Sole ProprietorYes
Enumeration DateJune 22, 2005
Last NPPES UpdateMarch 7, 2023
✔ NPI 1336145689 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · G54959
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
107 MAIN ST, Winters, CA 95694
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Other Identifiers 2

OtherG54959CA · State Medical License
Medicaid00G549590CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Boyce Davis M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95694 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$92.61 typical visit price
range $60.44 – $180.85
Typical copayment $23.15 (range $15.11 – $45.21)
Most-billed visit code 99203
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Davis's NPI number?

The NPI number for William Davis is 1336145689. It was assigned to this individual provider in the NPPES registry on June 22, 2005.

Where is William Davis located?

William Davis practices at 107 Main St, Winters, CA 95694. The listed phone number is (530) 795-1110.

What is William Davis's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is William Davis enrolled in Medicare?

Yes. William Davis is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Davis was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.