DR. HOLLY NICHOLE WILLISON DC
NPI 1942838255
Chiropractor in Corona, CA
About Dr. Holly Nichole Willison Dc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HOLLY NICHOLE WILLISON DC (NPI 1942838255) is an individual chiropractor in Corona, California, licensed in California (34769) and active in the NPI registry since March 2020. She maintains a secondary practice location in Chino and is a graduate of Los Angeles College Of Chiropractic (2019).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Holly Nichole Willison Dc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Holly Willison reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Corona, CA 92882
- Reassigned Medicare billing, California enrollment
- 14 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Holly Willison's NPI number?
The NPI number for Holly Willison is 1942838255. It was assigned to this individual provider in the NPPES registry on March 31, 2020. The provider is also known as Dr. Holly Nichole Stephens Dc.
Where is Holly Willison located?
Holly Willison practices at 2250 S Main St Ste 203, Corona, CA 92882. The listed phone number is (800) 595-2447.
What is Holly Willison's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Holly Willison enrolled in Medicare?
Yes. Holly Willison is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Holly Willison's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Holly Willison reassigns Medicare benefits to Integrated Medical Center Of Corona Inc. (Corona, CA). The 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 Holly Willison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Holly Willison accept?
Health plans from Providence Health Plan list Holly Willison as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Holly Willison was last updated on October 18, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Holly Nichole Willison, DC · NPI 1942838255
Chiropractor provider in Corona, California. Individual provider, active in the CMS NPPES registry since March 31, 2020.
## Identity
- **NPI:** 1942838255 (Entity type: Individual)
- **Enumerated:** March 31, 2020
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 34769 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2250 S MAIN ST STE 203, Corona, CA 92882-2506
- **Phone:** (800) 595-2447
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Integrated Medical Center Of Corona Inc. (NPI 1023400322, Corona, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Los Angeles College Of Chiropractic, class of 2019
## Record status
- **NPPES last updated:** October 18, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1942838255) · Data from the CMS NPPES public registry.