William C Holvik MD a Professional Corporation
NPI 1487004784 · Family Medicine Physician · Visalia, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William C Holvik MD a Professional Corporation is a Family Medicine Physician organization in Visalia, CA (NPI 1487004784).
Provider details
- NPI number
- 1487004784
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sahar Holvik, Office Manager(559) 732-4726
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Holvik Family Health Center
Registry dates
- Enumerated
- 2016-06-16
- Last updated
- 2016-08-12
Frequently asked questions
- What is William C Holvik MD a Professional Corporation's NPI number?
- William C Holvik MD a Professional Corporation's National Provider Identifier (NPI) is 1487004784, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William C Holvik MD a Professional Corporation?
- William C Holvik MD a Professional Corporation is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William C Holvik MD a Professional Corporation located?
- William C Holvik MD a Professional Corporation's practice location on file with NPPES is 221 E Caldwell Ave, Visalia, CA 93277-7605.
- What is William C Holvik MD a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for William C Holvik MD a Professional Corporation is (559) 732-4726.
- Does William C Holvik MD a Professional Corporation accept Medicare?
- William C Holvik MD a Professional Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for William C Holvik MD a Professional Corporation?
- The authorized official listed on William C Holvik MD a Professional Corporation's NPPES record is Sahar Holvik, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William C Holvik MD a Professional Corporation's NPI active?
- Yes — William C Holvik MD a Professional Corporation's NPI (1487004784) is active in the NPPES registry as of the last update on 2016-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.