Dr. William C. Holvik, MD
- Medicare services, 2024
- 2,244
- Medicare patients, 2024
- 507
- Part D claims, 2024
- 14,297
- MIPS score, 2024
- 21
- Hospital affiliations
- 2
- Practice address
- 221 E Caldwell Ave, Visalia, CA 93277-7605
- Practice phone
- Call (559) 732-4726
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Holvik Family Health Center
Primary care practice · Visalia, California
Find Dr. Holvik's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William C. Holvik is a family medicine physician in Visalia, California
Dr. Holvik practices at Holvik Family Health Center in Visalia, California.
Dr. Holvik's NPI, 1346225364, was assigned on December 13, 2005. Dr. Holvik graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1990. Dr. Holvik holds California license G72459.
- NPI
- 1346225364NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436208659
- NPI enumeration date
- December 13, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (559) 732-4726
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William C. Holvik practices at Holvik Family Health Center in Visalia, California
Dr. Holvik's primary practice is Holvik Family Health Center, at 221 E Caldwell Ave, Visalia, CA 93277-7605. The practice phone is (559) 732-4726.
- Holvik Family Health Center221 E Caldwell Ave, Visalia, CA 93277-7605Phone(559) 732-4726
Source: Dmand AI Affiliation Data
Dr. William C. Holvik is affiliated with 8 sites of care and 2 medical groups
Dr. Holvik's primary practice is Holvik Family Health Center in Visalia, California. Dr. Holvik is also affiliated with Kaweah Health Medical Center. The medical group on file is Holvik Family Health Center. Dmand AI also links Dr. Holvik to 1 more hospital, 5 home health agencies and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William C. Holvik's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Holvik practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Holvik Family Health Center | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William C. Holvik is one of 15,680 family medicine physicians in California
Family medicine is Dr. Holvik's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Holvik is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute sinusitis, acute skin infection, aneurysm, anxiety, arthritis, asthma and atrial fibrillation and flutter among the conditions Dr. Holvik treats.
Family medicine physicians near Dr. Holvik
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William C. Holvik billed Medicare for 2,244 services in 2024
CMS data shows 2,244 Medicare services from Dr. Holvik across 20 procedure codes in 2024, for 507 Medicare patients. Medicare paid $147,674 for them. Every service was in an office.
Dr. Holvik's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,2972024: 1,15911%
- Other services
- 2023: 4882024: 4674%
- Tests and treatments
- 2023: 2502024: 2414%
- Drugs given in the office
- 2023: 2842024: 19133%
- Surgery
- 2023: 1242024: 1337%
- Lab and pathology
- 2023: 682024: 5322%
Dr. Holvik compared with the California median for family medicine physicians, 2024
- Dr. Holvik
- California median
- Medicare services
- 2,244vs 2469.1 times
- Medicare patients
- 507vs 1184.3 times
- Part D claims
- 13,537vs 83316.3 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Holvik's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Holvik and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William C. Holvik treated 507 Medicare patients in 2024, average age 75
CMS counts 507 Medicare patients who saw Dr. Holvik in 2024. The largest group is 65 to 74, with 258 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Holvik's median patient age at 57, with 52% women.
Dr. Holvik's Medicare patients by age, 2024
Dr. Holvik's Medicare patients by sex, 2024
- Women25951%
- Men24849%
Chronic conditions among Dr. Holvik's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease54%
- Arthritis40%
- Diabetes30%
- Chronic kidney disease19%
- Mood disorders19%
- Anxiety18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Holvik's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William C. Holvik wrote 14,297 Medicare Part D claims in 2024
In 2024, Dr. Holvik wrote 14,297 Medicare Part D claims for 1,032 patients. 89% of them were for generic drugs. CMS names the drug for 13,537 of them, across 173 drugs with 11 or more claims each, at $1,083,956 in total drug cost. In 2023, CMS named 10,806 claims across 157 drugs.
Dr. Holvik's Part D claims by kind of drug, 2024
- Generic12,726 claims89%
- Brand-name1,498 claims10%
- Other73 claims1%
Dr. Holvik's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Holvik's Part D claims, 2024
- Opioids1%99 of 14,297 claims
- Antibiotics2%295 of 14,297 claims
- Antipsychotics, patients 65 and over1%117 of 14,297 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 10,8062024: 13,53725%
Drugs named by CMS: 173 in 2024, 157 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. William C. Holvik scored 21 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 21 out of 100 for Dr. Holvik for performance year 2024, reported individually. Dr. Holvik accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Holvik as offering telehealth. CMS counts 18 procedures of removal of skin lesions by Dr. Holvik, more than 64% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Holvik's MIPS scores, performance year 2024
- 21of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Holvik ranks in Medicare procedure volume
- Removal of skin lesions
- 64th percentile18 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. William C. Holvik received $20,970 in industry payments from 2016 to 2025
CMS Open Payments shows 1,369 general payments to Dr. Holvik from 74 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $1,817.
General payments to Dr. Holvik by program year, 2016 to 2025
General payments to Dr. Holvik by kind, 2016 to 2025
- Food and beverage$20,80399%
- Education$1671%
Companies that paid Dr. Holvik the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William C. Holvik graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science
Dr. Holvik graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. William C. Holvik accepts plans from 15 insurance carriers
Dr. Holvik is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +7 more carriersWith a free account
Plan types Dr. Holvik accepts, by number of carriers
- PPO9
- HMO7
- Medicare7
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. William C. Holvik's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William C. Holvik
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William C. Holvik's NPI number?
Dr. William C. Holvik's NPI number is 1346225364. It was assigned on December 13, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William C. Holvik?
Dr. William C. Holvik is a family medicine physician in Visalia, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. William C. Holvik practice?
Dr. Holvik practices at 221 E Caldwell Ave, Visalia, CA 93277-7605. Dr. Holvik's primary practice is Holvik Family Health Center in Visalia, California. Dmand AI also links Dr. Holvik to 1 hospital, 5 home health agencies and 1 medical group.
What is Dr. William C. Holvik's office phone number?
The practice phone on file for Dr. Holvik is (559) 732-4726.
What is Dr. William C. Holvik's medical license number?
Dr. Holvik holds California license G72459.
Which hospitals is Dr. William C. Holvik affiliated with?
Dr. Holvik is affiliated with Kaweah Health Medical Center. Dmand AI links Dr. Holvik to 1 more hospital.
What medical group is Dr. William C. Holvik part of?
Dr. Holvik is linked to Holvik Family Health Center. Dmand AI links Dr. Holvik to 1 more medical group.
Does Dr. William C. Holvik accept Medicare?
Yes. CMS data shows Dr. Holvik billed Medicare for 2,244 services in 2024, and Dr. Holvik accepts Medicare assignment.
Does Dr. William C. Holvik offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Holvik as offering telehealth services.
What is Dr. William C. Holvik's MIPS score?
Dr. Holvik's MIPS final score for performance year 2024 is 21 out of 100, reported individually.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. William C. Holvik see?
CMS counts 507 Medicare patients who saw Dr. Holvik in 2024, with an average age of 75.
What services does Dr. William C. Holvik bill to Medicare?
In 2024, Dr. Holvik's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G0439).
Where did Dr. William C. Holvik go to medical school?
Dr. Holvik graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1990.
What drugs does Dr. William C. Holvik prescribe most?
In 2024 Medicare Part D data, Dr. Holvik's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Losartan Potassium.
Has Dr. William C. Holvik received payments from drug or device companies?
CMS Open Payments shows $20,970 in general payments to Dr. Holvik from 74 companies from 2016 to 2025. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Dr. William C. Holvik been practicing?
Dr. Holvik graduated from medical school in 1990, 36 years ago.
What insurance does Dr. William C. Holvik accept?
Dr. Holvik is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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