DR. ROBERT LUKE RETTIG MD
NPI 1437652260
Student in an Organized Health Care Education/Training Program in Los Angeles, CA
About Dr. Robert Luke Rettig Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT LUKE RETTIG MD (NPI 1437652260) is an individual student in an organized health care education/training program in Los Angeles, California and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (2018).
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 and accepts Medicare assignment
Dr. Robert Luke Rettig Md 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 Reassignments
4Medicare enrollment records show Robert Rettig reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 761 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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
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.
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.
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
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 Robert Rettig's NPI number?
The NPI number for Robert Rettig is 1437652260. It was assigned to this individual provider in the NPPES registry on March 18, 2018.
Where is Robert Rettig located?
Robert Rettig practices at 4733 W Sunset Blvd Fl 3, Los Angeles, CA 90027. The listed phone number is (323) 783-1431.
What is Robert Rettig's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Robert Rettig enrolled in Medicare?
Yes. Robert Rettig 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 organizations bill Medicare for Robert Rettig's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Rettig reassigns Medicare benefits to 4 organizations: Southern California Permanente Medical Group (Los Angeles, CA), Ucsf Dept Of Surgery (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, 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 Robert Rettig'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 Robert Rettig was last updated on November 29, 2021. 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. Robert Luke Rettig, MD · NPI 1437652260
Student in an Organized Health Care Education/Training Program provider in Los Angeles, California. Individual provider, active in the CMS NPPES registry since March 18, 2018.
## Identity
- **NPI:** 1437652260 (Entity type: Individual)
- **Enumerated:** March 18, 2018
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 4733 W SUNSET BLVD FL 3, Los Angeles, CA 90027-6021
- **Phone:** (323) 783-1431
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1134151657, Los Angeles, CA); Ucsf Dept Of Surgery (NPI 1477627537, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** November 29, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1437652260) · Data from the CMS NPPES public registry.