INLAND REGION MEDICAL GROUP
NPI 1083724850
Family Medicine in Rancho Cucamonga, CA
About Inland Region Medical Group NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
INLAND REGION MEDICAL GROUP (NPI 1083724850) is a healthcare organization registered as a family medicine in Rancho Cucamonga, California and active in the NPI registry since August 2006. The organization holds a CLIA Waiver certificate valid through September 19, 2027 and lists Thomas Allen Woodbury, Managing Physican Partner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Inland Region Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by December 31, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
10Medicare enrollment records show 10 clinicians reassign Medicare billing to Inland Region Medical Group, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 6 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 4
Clinicians, nearest first (10)
Rancho Cucamonga, CA 91730
Rancho Cucamonga, CA 91730
Rancho Cucamonga, CA 91730
San Juan Capistrano, CA 92675
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 05D0876601
Inland Region Medical Group · Rancho Cucamonga, CAFrequently 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 Inland Physicians Service Inc's NPI number?
The NPI number for Inland Physicians Service Inc is 1083724850. It was assigned to this organization in the NPPES registry on August 30, 2006. The provider is doing business as Inland Region Medical Group.
Where is Inland Physicians Service Inc located?
Inland Physicians Service Inc is located at 9089 Baseline Road Suite 100, Rancho Cucamonga, CA 91730. The listed phone number is (909) 483-0505.
What is Inland Physicians Service Inc's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Inland Physicians Service Inc enrolled in Medicare?
Yes. Inland Physicians Service Inc is registered in the Medicare PECOS enrollment system.
When is Inland Physicians Service Inc's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Inland Physicians Service Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 4 Medicare specialties reassign their Medicare billing to Inland Physicians Service 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 Family Practice (6), Nurse Practitioner (2) and Hospitalist (1). Of these, 5 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Inland Physicians Service Inc hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 05D0876601) is associated with this NPI, valid through September 19, 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 Inland Physicians Service Inc was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.
# Inland Region Medical Group · NPI 1083724850
Family Medicine organization in Rancho Cucamonga, California. Organization record, active in the CMS NPPES registry since August 30, 2006.
## Identity
- **NPI:** 1083724850 (Entity type: Organization)
- **Enumerated:** August 30, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Legal business name:** Inland Physicians Service Inc
- **Organization subpart:** No
- **Authorized official:** Thomas Woodbury, MANAGING PHYSICAN PARTNER
## Practice location
- **Address:** 9089 BASELINE ROAD, SUITE 100, Rancho Cucamonga, CA 91730
- **Phone:** (909) 483-0505 · **Fax:** (909) 483-0508
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** December 31, 2026 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 10 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (6), Nurse Practitioner (2), Hospitalist (1); 5 practice at this address and 6 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 22, 2020
- **Other identifiers:** Other DA1449 (CA); Medicaid GR0061231 (CA)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1083724850) · Data from the CMS NPPES public registry.