DR. MONICA LOPEZ M.D.
NPI 1720065949
Obstetrics & Gynecology in Greenbrae, CA
About Dr. Monica Lopez M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MONICA LOPEZ M.D. (NPI 1720065949) is an individual obstetrics & gynecology provider in Greenbrae, California, licensed in California (A66406) and active in the NPI registry since December 2005. 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. Monica Lopez M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Monica Lopez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oakland, CA 94609
- Reassigned Medicare billing, California enrollment
- 187 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 94904 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 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREENBRAE, CA 94904
GREENBRAE, CA 94904
GREENBRAE, CA 94904
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 Monica Lopez's NPI number?
The NPI number for Monica Lopez is 1720065949. It was assigned to this individual provider in the NPPES registry on December 29, 2005.
Where is Monica Lopez located?
Monica Lopez practices at 1260 S Eliseo Dr, Greenbrae, CA 94904. The listed phone number is (415) 461-7800.
What is Monica Lopez's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Monica Lopez enrolled in Medicare?
Yes. Monica Lopez is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Monica Lopez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Monica Lopez reassigns Medicare benefits to La Clinica De La Raza Inc (Oakland, 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 Monica Lopez'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 Monica Lopez was last updated on February 5, 2016. 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.