DR. MIMI SHAFFER M.D.
NPI 1568758928
Obstetrics & Gynecology in Chula Vista, CA
About Dr. Mimi Shaffer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MIMI SHAFFER M.D. (NPI 1568758928) is an individual obstetrics & gynecology provider in Chula Vista, California, licensed in California (A123887) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS and is a graduate of East Tennessee State University Quillen College Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Mimi Shaffer M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Mimi Shaffer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chula Vista, CA 91911
- Reassigned Medicare billing, California enrollment
- 1,100 clinicians in this Medicare group
San Diego, CA 92111
- Reassigned Medicare billing, California enrollment
- 1,233 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 91913 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.
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.
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 Mimi Shaffer's NPI number?
The NPI number for Mimi Shaffer is 1568758928. It was assigned to this individual provider in the NPPES registry on June 23, 2011.
Where is Mimi Shaffer located?
Mimi Shaffer practices at 1400 E Palomar St, Chula Vista, CA 91913. The listed phone number is (858) 499-2702.
What is Mimi Shaffer's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Mimi Shaffer enrolled in Medicare?
Yes. Mimi Shaffer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mimi Shaffer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mimi Shaffer reassigns Medicare benefits to 2 organizations: Family Health Centers Of San Diego Inc (Chula Vista, CA) and Sharp Rees-Stealy Medical Group, Inc (San Diego, 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 Mimi Shaffer'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 Mimi Shaffer was last updated on December 7, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.