CHAPARRAL MEDICAL GROUP, INC.
NPI 1477733624
Orthopaedic Surgery in Pomona, CA
About Chaparral Medical Group, Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHAPARRAL MEDICAL GROUP, INC. (NPI 1477733624) is a healthcare organization registered as an orthopaedic surgery in Pomona, California and active in the NPI registry since November 2007. The organization holds a CLIA Waiver certificate valid through February 19, 2028 and lists Adrienne M Walker, Contracts Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Chaparral Medical Group, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
114Medicare enrollment records show 114 clinicians reassign Medicare billing to Chaparral Medical Group, Inc., which bills Medicare for the services they deliver. Of these, 9 practice at this address and 77 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 28
Nearest to this location (20)
See all 114Source: 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 05D1080348
Chaparral Medical Group, Inc · Pomona, 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 Chaparral Medical Group, Inc.'s NPI number?
The NPI number for Chaparral Medical Group, Inc. is 1477733624. It was assigned to this organization in the NPPES registry on November 5, 2007.
Where is Chaparral Medical Group, Inc. located?
Chaparral Medical Group, Inc. is located at 160 E Artesia St Suite 360, Pomona, CA 91767. The listed phone number is (909) 629-4604.
What is Chaparral Medical Group, Inc.'s specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Chaparral Medical Group, Inc. enrolled in Medicare?
Yes. Chaparral Medical Group, Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Chaparral Medical Group, Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 114 clinicians in 28 Medicare specialties reassign their Medicare billing to Chaparral 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 Internal Medicine (29), Cardiovascular Disease (Cardiology) (11) and Nurse Practitioner (9). Of these, 9 practice at this address and 77 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Chaparral Medical Group, Inc. hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 05D1080348) is associated with this NPI, valid through February 19, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Chaparral Medical Group, Inc. was last updated on March 3, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Chaparral Medical Group, Inc. · NPI 1477733624
Orthopaedic Surgery organization in Pomona, California. Organization record, active in the CMS NPPES registry since November 5, 2007.
## Identity
- **NPI:** 1477733624 (Entity type: Organization)
- **Enumerated:** November 5, 2007
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **Organization subpart:** No
- **Authorized official:** Adrienne Walker, CONTRACTS MANAGER
## Practice location
- **Address:** 160 E ARTESIA ST, SUITE 360, Pomona, CA 91767-2900
- **Phone:** (909) 629-4604 · **Fax:** (909) 629-4704
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 114 clinicians in 28 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (29), Cardiovascular Disease (Cardiology) (11), Nurse Practitioner (9); 9 practice at this address and 77 within 10 miles; [full list](https://npiprofile.com/npi/1477733624/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 3, 2016
- **Other identifiers:** Medicare PIN W11798 (CA)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1477733624) · Data from the CMS NPPES public registry.