TRACI ISE IWAMOTO M.D.
NPI 1841566767
Obstetrics & Gynecology in San Francisco, CA
About Traci Ise Iwamoto M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TRACI ISE IWAMOTO M.D. (NPI 1841566767) is an individual obstetrics & gynecology provider in San Francisco, California, licensed in Louisiana (303019) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in Metarie, and is a graduate of University Of New Mexico School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Traci Ise Iwamoto M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Traci Iwamoto 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
- 339 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
- 5,645 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 94143 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
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 Traci Iwamoto's NPI number?
The NPI number for Traci Iwamoto is 1841566767. It was assigned to this individual provider in the NPPES registry on March 25, 2012.
Where is Traci Iwamoto located?
Traci Iwamoto practices at 1855 4th St Fl 3, San Francisco, CA 94143. The listed phone number is (415) 353-2566.
What is Traci Iwamoto's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Traci Iwamoto enrolled in Medicare?
Yes. Traci Iwamoto is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Traci Iwamoto's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Traci Iwamoto reassigns Medicare benefits to 3 organizations: Regents Univ Of California Ucsf (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and University Of California San Francisco (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 Traci Iwamoto'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 Traci Iwamoto was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.