DR. CALDER BRYCE CONNER MD
NPI 1770537433
Emergency Medicine in San Leandro, CA
About Dr. Calder Bryce Conner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CALDER BRYCE CONNER MD (NPI 1770537433) is an individual emergency medicine provider in San Leandro, California, licensed in Michigan (4301102402) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Calder Bryce Conner Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Calder Conner reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Adrian, MI 49221
- Reassigned Medicare billing, Michigan enrollment
- 12 clinicians in this Medicare group
Southgate, MI 48195
- Reassigned Medicare billing, Michigan enrollment
- 13 clinicians in this Medicare group
Warren, MI 48093
- Reassigned Medicare billing, Michigan enrollment
- 13 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 2
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 94577 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 LEANDRO, CA 94577
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 Calder Conner's NPI number?
The NPI number for Calder Conner is 1770537433. It was assigned to this individual provider in the NPPES registry on May 19, 2006.
Where is Calder Conner located?
Calder Conner practices at 2587 Merced St, San Leandro, CA 94577. The listed phone number is (510) 351-3553.
What is Calder Conner's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Calder Conner enrolled in Medicare?
Yes. Calder Conner is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Calder Conner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Calder Conner reassigns Medicare benefits to 3 organizations: Adrian Urgent Care PLLC (Adrian, MI), Southgate Urgent Care PC (Southgate, MI) and Warren Urgent Care PC (Warren, MI). 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 Calder Conner'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 Calder Conner was last updated on July 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.