RUTH ELIZABETH LANDSBERGER MD
NPI 1629120001
Family Medicine in Pasadena, CA
About Ruth Elizabeth Landsberger Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RUTH ELIZABETH LANDSBERGER MD (NPI 1629120001) is an individual family medicine provider in Pasadena, California, licensed in California (A54044) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of University Of North Carolina At Chapel Hill School Of Medicine (1989).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ruth Elizabeth Landsberger Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ruth Landsberger reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sun Valley, CA 91352
- Reassigned Medicare billing, California enrollment
- 218 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91104 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 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 Ruth Landsberger's NPI number?
The NPI number for Ruth Landsberger is 1629120001. It was assigned to this individual provider in the NPPES registry on January 17, 2007.
Where is Ruth Landsberger located?
Ruth Landsberger practices at 1800 N Lake Ave, Pasadena, CA 91104. The listed phone number is (626) 398-6300.
What is Ruth Landsberger's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Ruth Landsberger enrolled in Medicare?
Yes. Ruth Landsberger is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ruth Landsberger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ruth Landsberger reassigns Medicare benefits to Northeast Valley Health Corporation (Sun Valley, 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 Ruth Landsberger'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 Ruth Landsberger was last updated on November 21, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Ruth Elizabeth Landsberger, MD · NPI 1629120001
Family Medicine physician in Pasadena, California. Individual provider, active in the CMS NPPES registry since January 17, 2007.
## Identity
- **NPI:** 1629120001 (Entity type: Individual)
- **Enumerated:** January 17, 2007
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A54044 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1800 N LAKE AVE, Pasadena, CA 91104-1228
- **Phone:** (626) 398-6300 · **Fax:** (626) 204-0086
## 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:** Northeast Valley Health Corporation (NPI 1013199264, Sun Valley, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of North Carolina At Chapel Hill School Of Medicine, class of 1989
## Record status
- **NPPES last updated:** November 21, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1629120001) · Data from the CMS NPPES public registry.