KENNETH MARK ROSENBAUM MD
NPI 1407922404
Pediatrics in San Mateo, CA
About Kenneth Mark Rosenbaum Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KENNETH MARK ROSENBAUM MD (NPI 1407922404) is an individual pediatrics provider in San Mateo, California, licensed in California (G76294) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kenneth Mark Rosenbaum Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Kenneth Rosenbaum reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Palo Alto, CA 94301
- Reassigned Medicare billing, California enrollment
- 4,479 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 94401 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN MATEO, CA 94401
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 Kenneth Rosenbaum's NPI number?
The NPI number for Kenneth Rosenbaum is 1407922404. It was assigned to this individual provider in the NPPES registry on November 28, 2006.
Where is Kenneth Rosenbaum located?
Kenneth Rosenbaum practices at 123 S San Mateo Dr, San Mateo, CA 94401. The listed phone number is (650) 343-4200.
What is Kenneth Rosenbaum's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Kenneth Rosenbaum enrolled in Medicare?
Yes. Kenneth Rosenbaum is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Kenneth Rosenbaum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kenneth Rosenbaum reassigns Medicare benefits to Sutter Bay Medical Foundation (Palo Alto, 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 Kenneth Rosenbaum'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 Kenneth Rosenbaum was last updated on March 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Kenneth Mark Rosenbaum, MD · NPI 1407922404
Pediatrics physician in San Mateo, California. Individual provider, active in the CMS NPPES registry since November 28, 2006.
## Identity
- **NPI:** 1407922404 (Entity type: Individual)
- **Enumerated:** November 28, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** G76294 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 123 S SAN MATEO DR, San Mateo, CA 94401-3804
- **Phone:** (650) 343-4200
## 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:** Sutter Bay Medical Foundation (NPI 1013950807, Palo Alto, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 9, 2020
- **Other identifiers:** Other 943293486 (CA); Medicaid GR0081923 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1407922404) · Data from the CMS NPPES public registry.