DR. LAUREN MONTEMORANO MD
NPI 1891220844
Obstetrics & Gynecology - Gynecologic Oncology in Oakland, CA
About Dr. Lauren Montemorano Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LAUREN MONTEMORANO MD (NPI 1891220844) is an individual gynecologic oncology provider in Oakland, California, licensed in California (A205891) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Renown Regional Medical Center, and is a graduate of University Of Virginia School Of Medicine (2017).
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. Lauren Montemorano Md 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 Lauren Montemorano reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Richmond, CA 94801
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Reno, NV 89502
- Reassigned Medicare billing, Nevada enrollment
- 8 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
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Renown Regional Medical Center
Acute Care Hospitals · Reno, NVCarson Tahoe Regional Medical Center
Acute Care Hospitals · Carson City, NVHumboldt General Hospital
Critical Access Hospitals · Winnemucca, NVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94611 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 Lauren Montemorano's NPI number?
The NPI number for Lauren Montemorano is 1891220844. It was assigned to this individual provider in the NPPES registry on April 27, 2017.
Where is Lauren Montemorano located?
Lauren Montemorano practices at 3701 Broadway, Oakland, CA 94611. The listed phone number is (510) 752-7780.
What is Lauren Montemorano's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.
Is Lauren Montemorano enrolled in Medicare?
Yes. Lauren Montemorano 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 Lauren Montemorano's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Montemorano reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Richmond, CA) and Peter C Lim MD Ltd (Reno, NV). 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 Lauren Montemorano's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Lauren Montemorano affiliated with any hospitals?
According to CMS data, Lauren Montemorano is affiliated with Renown Regional Medical Center, Carson Tahoe Regional Medical Center and Humboldt General Hospital.
When was this NPI record last updated?
The NPPES record for Lauren Montemorano was last updated on January 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Dr. Lauren Montemorano, MD · NPI 1891220844
Gynecologic Oncology physician in Oakland, California. Individual provider, active in the CMS NPPES registry since April 27, 2017.
## Identity
- **NPI:** 1891220844 (Entity type: Individual)
- **Enumerated:** April 27, 2017
- **Primary specialty:** Obstetrics & Gynecology - Gynecologic Oncology · taxonomy 207VX0201X
- **State license:** A205891 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3701 BROADWAY, Oakland, CA 94611-5613
- **Phone:** (510) 752-7780
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Permanente Medical Group Inc (NPI 1235226531, Richmond, CA); Peter C Lim MD Ltd (NPI 1275716144, Reno, NV) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Virginia School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** January 16, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1891220844) · Data from the CMS NPPES public registry.