DR. ROGER ANTHONY CHRISTENSEN D.O.
NPI 1114257771
Internal Medicine - Critical Care Medicine in Long Beach, CA
About Dr. Roger Anthony Christensen D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROGER ANTHONY CHRISTENSEN D.O. (NPI 1114257771) is an individual critical care medicine provider in Long Beach, California, licensed in California (20A11091) and active in the NPI registry since January 2010. He is enrolled in Medicare PECOS and maintains a secondary practice location in Fountain Valley.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Roger Anthony Christensen D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Roger Christensen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Alamitos, CA 90720
- Reassigned Medicare billing, California enrollment
- 488 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 525 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 75 clinicians in this Medicare group
Santa Ana, CA 92707
- Reassigned Medicare billing, California enrollment
- 70 clinicians in this Medicare group
El Segundo, CA 90245
- Reassigned Medicare billing, California enrollment
- 57 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90803 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LONG BEACH, CA 90803
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 Roger Christensen's NPI number?
The NPI number for Roger Christensen is 1114257771. It was assigned to this individual provider in the NPPES registry on January 5, 2010.
Where is Roger Christensen located?
Roger Christensen practices at 75 Bay Shore Ave, Long Beach, CA 90803. The listed phone number is (310) 804-3414.
What is Roger Christensen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Roger Christensen enrolled in Medicare?
Yes. Roger Christensen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Roger Christensen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Roger Christensen reassigns Medicare benefits to 5 organizations: First Choice Physician Partners (Los Alamitos, CA), Uc Regents (Orange, CA), Regents Of The University Of California (Orange, CA), Senior Doc Integrated Med, PC (Santa Ana, CA) and Geriatric Support Medical Group PC (El Segundo, CA). 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 Roger Christensen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Roger Christensen was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Roger Anthony Christensen, D.O. · NPI 1114257771
Critical Care Medicine physician in Long Beach, California. Individual provider, active in the CMS NPPES registry since January 5, 2010.
## Identity
- **NPI:** 1114257771 (Entity type: Individual)
- **Enumerated:** January 5, 2010
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 20A11091 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 75 BAY SHORE AVE, Long Beach, CA 90803-3407
- **Phone:** (310) 804-3414
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): First Choice Physician Partners (NPI 1427479203, Los Alamitos, CA); Uc Regents (NPI 1003864174, Orange, CA); Regents Of The University Of California (NPI 1679521850, Orange, CA); Senior Doc Integrated Med, PC (NPI 1396526026, Santa Ana, CA); Geriatric Support Medical Group PC (NPI 1548188931, El Segundo, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1114257771) · Data from the CMS NPPES public registry.