Providers
6
Locations
1
Specialties
3
Insurance Plans
8
About Immediate Care Medical Group Inc.
Background and practice information
Immediate Care Medical Group INC. is a mid-sized group medical practice based in Visalia, CA, with 6 affiliated healthcare providers.
The practice brings together providers across several specialties, including nurse practitioner, family practice, and physician assistant. Its providers are in-network with 8 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.
Practice Locations
1 location
Immediate Care Medical Group Inc.Primary
231 E CALDWELL AVE, Visalia, CA 932777605
(559) 622-9800
Affiliations
Hospitals where providers at Immediate Care Medical Group Inc. hold admitting privileges
Insurance Networks
Accepted insurance plans and networks
Immediate Care Medical Group Inc. accepts 48 plans from 8 insurers, including Cigna, UnitedHealthcare, Aetna.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Specialties at Immediate Care Medical Group Inc.
Provider specialties represented at this practice
Healthcare Providers
6 providers practice here
William Holvik, MD
Family Practice · Telehealth
Visalia, CA
Stefanie Absher, NP
Nurse Practitioner
Visalia, CA
Anthony Boxrud, NP
Nurse Practitioner · Telehealth
Visalia, CA
Marc Sizemore, NP
Nurse Practitioner · Telehealth
Visalia, CA
Valerie Sizemore, NP
Nurse Practitioner · Telehealth
Visalia, CA
Vanessa Banales, PA
Physician Assistant · Telehealth
Visalia, CA
Frequently Asked Questions
Common questions about Immediate Care Medical Group Inc.
How many providers are at Immediate Care Medical Group INC.?
Immediate Care Medical Group INC. has 6 affiliated healthcare providers. You can browse the full provider roster, with specialties and locations, on this page.
What specialties does Immediate Care Medical Group INC. offer?
The practice includes providers in nurse practitioner, family practice, and physician assistant. Use the specialty filter on the provider list to find a specific type of provider.
What insurance does Immediate Care Medical Group INC. accept?
Providers at Immediate Care Medical Group INC. are collectively in-network with 8 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.
Where is Immediate Care Medical Group INC. located?
Immediate Care Medical Group INC.'s primary location is in Visalia, CA. See the contact section for the full address and phone number.
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