RICHARD KEITH HOLLIS DO
NPI 1831119254
Radiology - Diagnostic Radiology in Long Beach, CA
About Richard Keith Hollis Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RICHARD KEITH HOLLIS DO (NPI 1831119254) is an individual diagnostic radiology provider in Long Beach, California, licensed in California (14152) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Hudson Regional Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Richard Keith Hollis Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
25Medicare enrollment records show Richard Hollis reassigns Medicare billing to 25 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Long Beach, CA 90813
- Reassigned Medicare billing, California enrollment
- 1,939 clinicians in this Medicare group
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 clinicians in this Medicare group
Fullerton, CA 92835
- Reassigned Medicare billing, Virginia enrollment
- 4 clinicians in this Medicare group
Anaheim, CA 92807
- Reassigned Medicare billing, California and Virginia enrollments
- 95 clinicians in this Medicare group
Monrovia, CA 91016
- Reassigned Medicare billing, Virginia enrollment
- 8 clinicians in this Medicare group
Glendora, CA 91741
- Reassigned Medicare billing, Virginia enrollment
- 5 clinicians in this Medicare group
Tehachapi, CA 93561
- Reassigned Medicare billing, California enrollment
- 252 clinicians in this Medicare group
Salinas, CA 93905
- Reassigned Medicare billing, California enrollment
- 284 clinicians in this Medicare group
Gilroy, CA 95020
- Reassigned Medicare billing, California enrollment
- 2,460 clinicians in this Medicare group
Mountain View, CA 94040
- Reassigned Medicare billing, Virginia enrollment
- 5 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.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hudson Regional Hospital
Acute Care Hospitals · Secaucus, NJRiverside Regional Medical Center
Acute Care Hospitals · Newport News, VARiverside Walter Reed Hospital
Acute Care Hospitals · Gloucester, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90806 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LONG BEACH, CA 90806
LONG BEACH, CA 90806
LONG BEACH, CA 90806
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 Richard Hollis's NPI number?
The NPI number for Richard Hollis is 1831119254. It was assigned to this individual provider in the NPPES registry on July 20, 2006.
Where is Richard Hollis located?
Richard Hollis practices at 2801 Atlantic Ave, Long Beach, CA 90806. The listed phone number is (562) 933-1550.
What is Richard Hollis's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Richard Hollis enrolled in Medicare?
Yes. Richard Hollis is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Richard Hollis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Richard Hollis reassigns Medicare benefits to 25 organizations: County Of Los Angeles (Long Beach, CA), Memorialcare Medical Foundation (Fountain Valley, CA), St Jude Radiology Medical Group Inc (Fullerton, CA), Fullerton Radiology Medical Group, Inc (Anaheim, CA), Focus Medical Imaging (Monrovia, CA) and 20 more organizations, listed in the Medicare section above. Each 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 Richard Hollis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Richard Hollis accept?
Health plans from Blue Cross and Blue Shield of Kansas, Inc. and Oscar Health Plan, Inc. list Richard Hollis 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.
Is Richard Hollis affiliated with any hospitals?
According to CMS data, Richard Hollis is affiliated with Hudson Regional Hospital, Riverside Regional Medical Center and Riverside Walter Reed Hospital.
When was this NPI record last updated?
The NPPES record for Richard Hollis was last updated on May 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Richard Keith Hollis, DO · NPI 1831119254
Diagnostic Radiology physician in Long Beach, California. Individual provider, active in the CMS NPPES registry since July 20, 2006.
## Identity
- **NPI:** 1831119254 (Entity type: Individual)
- **Enumerated:** July 20, 2006
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 14152 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2801 ATLANTIC AVE, Long Beach, CA 90806-1701
- **Phone:** (562) 933-1550
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 25 organizations under Medicare reassignment (form CMS-855R): County Of Los Angeles (NPI 1568483766, Long Beach, CA); Memorialcare Medical Foundation (NPI 1205167350, Fountain Valley, CA); St Jude Radiology Medical Group Inc (NPI 1649349705, Fullerton, CA); Fullerton Radiology Medical Group, Inc (NPI 1861451858, Anaheim, CA); Focus Medical Imaging (NPI 1528299989, Monrovia, CA); and 20 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Midwestern University, Chicago College Of Osteopathic Med, class of 1998
## Record status
- **NPPES last updated:** May 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1831119254) · Data from the CMS NPPES public registry.