William C. Holvik, M.D.
Family Medicine Physician · Visalia, CA
William C. Holvik, M.D. is a family medicine physician with a practice address in Visalia, California, and NPI 1346225364, issued on Dec 13, 2005. Check the license (California G72459, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William C. Holvik
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G72459 CA
Self-reported in NPPES; status is on the state search - Practice location
- 221 E Caldwell Ave, Visalia, CA 93277
- Phone
- (559) 732-4726
- Enumerated
- Dec 13, 2005
- Record last updated
- Nov 20, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (559) 732-4747
- Medicare enrollment
- Enrolled (PECOS I20090605000179); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 221 E Caldwell Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joanne Galindo, NPFamily Nurse Practitioner1013648203
- Marco GonzalezNurse Practitioner1487302170
- Michael HultinFamily Nurse Practitioner1952866451
Verify William C. Holvik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G72459Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average family medicine physician in 2024
14,297 Medicare Part D claims for 1,032 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 99 claims were for opioids.
Most prescribed
- Atorvastatin Calcium854 claims
- Levothyroxine Sodium483 claims
- Losartan Potassium451 claims
- Amlodipine Besylate398 claims
- Montelukast Sodium389 claims
- Pantoprazole Sodium338 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 17.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,328.15
136 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Immediate Care Medical Group Inc.Visalia, CA
- William C Holvik MD A Professional CorporationVisalia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William C. Holvik among 17,133 family medicine physician records in California
William C. Holvik, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1990 · median 2005 among the 10,652 with a school on file
- Record last updated2013 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
74 family medicine physician records list a practice address in Visalia
They are 74 of the 4,225 NPPES records with a practice address in Visalia, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Visalia → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Thomas Daglish, M.D.Visalia, CA 932771982688206
- James Foxe, MDVisalia, CA 932771396768842
- Boyd Johnson, D.O.Visalia, CA 932771215015482
- Ihor Kalicinsky, MDVisalia, CA 932771285608521
- Kamel Kamel, M.D.Visalia, CA 932771316379712
- Patricia King, C-PAVisalia, CA 932771962575142
- H. Princeton, M.D.Visalia, CA 932771033117775
- William Roach, M.D.Visalia, CA 932771538125497
Common questions
What is William C. Holvik, M.D.'s NPI number?
William C. Holvik, M.D.'s National Provider Identifier (NPI) is 1346225364, issued on Dec 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William C. Holvik, M.D. located?
The NPPES record lists a practice address at 221 E Caldwell Ave, Visalia, CA, 93277. Phone: (559) 732-4726. Providers update this record themselves, so call before visiting.
How can I verify William C. Holvik, M.D.'s license?
NPPES lists California license number G72459, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William C. Holvik, M.D. prescribe under Medicare Part D?
In 2024, William C. Holvik, M.D. had 14,297 Medicare Part D claims for 1,032 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is William C. Holvik, M.D.'s MIPS final score?
The 2023 MIPS final score is 17.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.