DR. MICHELLE CONTRERAS M.D.
NPI 1730499252
Obstetrics & Gynecology in Vacaville, CA
About Dr. Michelle Contreras M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHELLE CONTRERAS M.D. (NPI 1730499252) is an individual obstetrics & gynecology provider in Vacaville, California, licensed in California (A129371) and active in the NPI registry since October 2010. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Michelle Contreras M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Michelle Contreras reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
La Jolla, CA 92037
- Reassigned Medicare billing, California enrollment
- 278 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 95688 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 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 Michelle Contreras's NPI number?
The NPI number for Michelle Contreras is 1730499252. It was assigned to this individual provider in the NPPES registry on October 18, 2010.
Where is Michelle Contreras located?
Michelle Contreras practices at 770 Mason St, Vacaville, CA 95688. The listed phone number is (707) 427-4900.
What is Michelle Contreras's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Michelle Contreras enrolled in Medicare?
Yes. Michelle Contreras is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Michelle Contreras's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Contreras reassigns Medicare benefits to Scripps Health Inpatient Providers Medical Group Inc. (La Jolla, 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 Michelle Contreras'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 Michelle Contreras was last updated on July 16, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.