DR. ROBERT JAY ROTHBAUM M.D.
NPI 1326066887
Pediatrics - Pediatric Gastroenterology in Oakland, CA
About Dr. Robert Jay Rothbaum M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT JAY ROTHBAUM M.D. (NPI 1326066887) is an individual pediatric gastroenterology provider in Oakland, California, licensed in California (G158847) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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)
Dr. Robert Jay Rothbaum M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Robert Rothbaum reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
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
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 1,159 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 94609 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.
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
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 Rothbaum's NPI number?
The NPI number for Robert Rothbaum is 1326066887. It was assigned to this individual provider in the NPPES registry on July 17, 2006.
Where is Robert Rothbaum located?
Robert Rothbaum practices at 747 52nd Street Pediatric Gastroenterology, Hepatology And Nutrition, Oakland, CA 94609. The listed phone number is (510) 428-3058.
What is Robert Rothbaum's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.
Is Robert Rothbaum enrolled in Medicare?
Yes. Robert Rothbaum is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Robert Rothbaum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Rothbaum reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Ucsf Pediatrics Associates (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 Rothbaum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Rothbaum accept?
Health plans from Health Advantage and Octave list Robert Rothbaum 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 Robert Rothbaum was last updated on June 5, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.