AMY STERN KOBALTER M.D.
NPI 1902830623
Dermatology in San Rafael, CA
About Amy Stern Kobalter M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMY STERN KOBALTER M.D. (NPI 1902830623) is an individual dermatology provider in San Rafael, California, licensed in California (G78305) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Amy Stern Kobalter M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Amy Kobalter reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 339 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 32
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 94903 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 8
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 Amy Kobalter's NPI number?
The NPI number for Amy Kobalter is 1902830623. It was assigned to this individual provider in the NPPES registry on July 10, 2006.
Where is Amy Kobalter located?
Amy Kobalter practices at 5000 Civic Center Dr, San Rafael, CA 94903. The listed phone number is (415) 499-0100.
What is Amy Kobalter's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Amy Kobalter enrolled in Medicare?
Yes. Amy Kobalter is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Amy Kobalter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Kobalter reassigns Medicare benefits to Regents Univ Of California Ucsf (San Francisco, 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 Amy Kobalter'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 Amy Kobalter was last updated on September 17, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.