IMMEDIATE CARE MEDICAL GROUP, INC.
NPI 1891940987
Clinic/Center - Primary Care in Visalia, CA

Active since November 17, 2008CLIA 05D1104749 · Waiver
231 E CALDWELL AVE, VISALIA, CA 93277(559) 622-9800(559) 622-9871 Get Directions Write a Review

NPPES record last updated: April 8, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 8, 2025, Dec 13, 2019 (2 updates tracked since 2019).

About Immediate Care Medical Group, Inc. NPPES

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

IMMEDIATE CARE MEDICAL GROUP, INC. (NPI 1891940987) is a healthcare organization registered as a primary care in Visalia, California and active in the NPI registry since November 2008. The organization holds a CLIA Waiver certificate valid through September 9, 2027 and lists Corina Lopez, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1891940987
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameIMMEDIATE CARE MEDICAL GROUP, INC.
Location Address231 E CALDWELL AVEVisalia, CA 93277-7605
Mailing Address231 E Caldwell AveVisalia, CA 93277-7605 · (559) 622-9800 · Fax (559) 622-9871
Fax(559) 622-9871
Organization SubpartNo
Authorized OfficialCorina LopezOffice Manager · (559) 622-9800
Enumeration DateNovember 17, 2008
Last NPPES UpdateApril 8, 20252 updates tracked since enumeration
NPPES CertifiedApril 8, 2025
✔ NPI 1891940987 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
231 E CALDWELL AVE, Visalia, CA 93277

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Immediate Care Medical Group, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

11

Medicare enrollment records show 11 clinicians reassign Medicare billing to Immediate Care Medical Group, Inc., which bills Medicare for the services they deliver. Of these, 7 practice at this address and 8 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 2

Nurse Practitioner10
Family Practice1

Clinicians, nearest first (11)

Nurse Practitioner
NPI 1861021586
231 E CALDWELL AVE
Visalia, CA 93277
(559) 622-9800
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1316597123
231 E CALDWELL AVE
Visalia, CA 93277
(559) 622-9800
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1639648439
231 E CALDWELL AVE
Visalia, CA 93277
(559) 622-9800
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1346225364
221 E CALDWELL AVE
Visalia, CA 93277
(559) 732-4726
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1871985333
215 E CALDWELL AVE SUITE A
Visalia, CA 93277
(559) 622-9800
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1447261623
215 E CALDWELL AVE SUITE A
Visalia, CA 93277
(559) 622-9800
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1043419138
215 E CALDWELL AVE
Visalia, CA 93277
(559) 622-9800
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1548499460
216 E PINE ST
Exeter, CA 93221
(559) 582-9000
✔ PECOS8.3 mi
Nurse Practitioner
NPI 1972971422
755 SEQUOIA AVE STE B
Lindsay, CA 93247
(559) 562-9399
✔ PECOS12 mi
Nurse Practitioner
NPI 1598053381
500 SUPERIOR AVE STE 160
Newport Beach, CA 92663
(949) 791-3006
✔ PECOS✔ Accepts Medicare200 mi
Nurse Practitioner
NPI 1831728559
441 S ILLINOIS AVE
Oak Ridge, TN 37830
(865) 685-0767
✔ PECOS✔ Accepts Medicare1,949 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D1104749

Immediate Care Medical Group, Inc · Visalia, CA
Active · expires Sep 9, 2027
CLIA Number05D1104749
Laboratory TypePhysician Office
Certificate Effective DateSeptember 10, 2025
Certificate Expiration DateSeptember 9, 2027
Laboratory DirectorWilliam Holvik, MD
Laboratory Phone(559) 622-9800
Laboratory LocationImmediate Care Medical Group, Inc231 E Caldwell Ave, Visalia, CA 93277
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Immediate Care Medical Group, Inc.'s NPI number?

The NPI number for Immediate Care Medical Group, Inc. is 1891940987. It was assigned to this organization in the NPPES registry on November 17, 2008.

Where is Immediate Care Medical Group, Inc. located?

Immediate Care Medical Group, Inc. is located at 231 E Caldwell Ave, Visalia, CA 93277. The listed phone number is (559) 622-9800.

What is Immediate Care Medical Group, Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

Is Immediate Care Medical Group, Inc. enrolled in Medicare?

Yes. Immediate Care Medical Group, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Immediate Care Medical Group, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 11 clinicians in 2 Medicare specialties reassign their Medicare billing to Immediate Care Medical Group, Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (10) and Family Practice (1). Of these, 7 practice at this address and 8 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Immediate Care Medical Group, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D1104749) is associated with this NPI, valid through September 9, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Immediate Care Medical Group, Inc. was last updated on April 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.