DR. ALYSSA MAE QUIMBY M.D.
NPI 1699907709
Obstetrics & Gynecology in Los Angeles, CA
About Dr. Alyssa Mae Quimby M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALYSSA MAE QUIMBY M.D. (NPI 1699907709) is an individual obstetrics & gynecology provider in Los Angeles, California, licensed in California (A109861) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS and is a graduate of University Of Vermont College Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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 and accepts Medicare assignment
Dr. Alyssa Mae Quimby 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 Alyssa Quimby reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 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 90017 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.
LOS ANGELES, CA 90017
LOS ANGELES, CA 90017
LOS ANGELES, CA 90017
LOS ANGELES, CA 90017
LOS ANGELES, CA 90017
LOS ANGELES, CA 90017
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 Alyssa Quimby's NPI number?
The NPI number for Alyssa Quimby is 1699907709. It was assigned to this individual provider in the NPPES registry on August 23, 2009. The provider is also known as Dr. Alyssa Mae Wittenberg M.D..
Where is Alyssa Quimby located?
Alyssa Quimby practices at 1127 Wilshire Blvd Suite 800, Los Angeles, CA 90017. The listed phone number is (213) 241-7250.
What is Alyssa Quimby's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Alyssa Quimby enrolled in Medicare?
Yes. Alyssa Quimby 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 Alyssa Quimby's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Quimby reassigns Medicare benefits to 2 organizations: Usc Care Medical Group, Inc (Los Angeles, CA) and Cedars-Sinai Medical Care Foundation (Los Angeles, 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 Alyssa Quimby'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 Alyssa Quimby was last updated on April 29, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Dr. Alyssa Mae Quimby, M.D. · NPI 1699907709
Obstetrics & Gynecology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since August 23, 2009.
## Identity
- **NPI:** 1699907709 (Entity type: Individual)
- **Enumerated:** August 23, 2009
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** A109861 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1127 WILSHIRE BLVD, SUITE 800, Los Angeles, CA 90017-3901
- **Phone:** (213) 241-7250 · **Fax:** (213) 241-7252
## 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): Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA); Cedars-Sinai Medical Care Foundation (NPI 1316984388, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Vermont College Of Medicine, class of 2008
## Record status
- **NPPES last updated:** April 29, 2017
- **Other identifiers:** Other A109891 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1699907709) · Data from the CMS NPPES public registry.