MELISSA ELIZABETH CHAMBERS MD
NPI 1538796594
Obstetrics & Gynecology in Los Angeles, CA

Active since March 26, 2020PECOS Enrolled
200 UCLA MEDICAL PLZ STE 430, LOS ANGELES, CA 90095(310) 794-7274 Get Directions Write a Review

NPPES record last updated: July 31, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 31, 2024, Mar 26, 2020 (2 updates tracked since 2020).

About Melissa Elizabeth Chambers Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MELISSA ELIZABETH CHAMBERS MD (NPI 1538796594) is an individual obstetrics & gynecology provider in Los Angeles, California, licensed in California (A186988) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1538796594
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMELISSA ELIZABETH CHAMBERSCredential: MD
Location Address200 UCLA MEDICAL PLZ STE 430Los Angeles, CA 90095-3201
Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631 · (310) 301-8707
Sole ProprietorNo
Enumeration DateMarch 26, 2020
Last NPPES UpdateJuly 31, 20242 updates tracked since enumeration
NPPES CertifiedJuly 31, 2024
✔ NPI 1538796594 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A186988
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedObstetrics & Gynecology · Maternal & Fetal MedicineTaxonomy 207VM0101X · License A186988 (CA)
200 UCLA MEDICAL PLZ STE 430, Los Angeles, CA 90095

Secondary Practice Locations 2

Location 1101 The City Dr SOrange, CA 92868-3201 · Phone (714) 456-8224
Location 21245 16th St Ste 202Santa Monica, CA 90404-1240 · Phone (310) 794-7274

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Melissa Elizabeth Chambers Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Melissa Chambers reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Obstetrics & Gynecology
200 MEDICAL PLAZA, SUITE 430
Los Angeles, CA 90095
  • Reassigned Medicare billing, California enrollment
  • 92 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 90095 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Obstetrics & Gynecology (Maternal & Fetal Medicine)
200 UCLA MEDICAL PLZ STE 430
LOS ANGELES, CA 90095
Obstetrics & Gynecology
200 UCLA MEDICAL PLZ STE 430
LOS ANGELES, CA 90095
Obstetrics & Gynecology
200 UCLA MEDICAL PLZ STE 430
LOS ANGELES, CA 90095
Social Worker (Clinical)
200 UCLA MEDICAL PLZ STE 430
LOS ANGELES, CA 90095
Obstetrics & Gynecology
200 UCLA MEDICAL PLZ STE 430
LOS ANGELES, CA 90095
Obstetrics & Gynecology (Complex Family Planning)
200 UCLA MEDICAL PLZ STE 430
LOS ANGELES, CA 90095
Obstetrics & Gynecology
200 UCLA MEDICAL PLZ STE 430
LOS ANGELES, CA 90095
Obstetrics & Gynecology (Maternal & Fetal Medicine)
200 UCLA MEDICAL PLZ STE 430
LOS ANGELES, CA 90095

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 Melissa Chambers's NPI number?

The NPI number for Melissa Chambers is 1538796594. It was assigned to this individual provider in the NPPES registry on March 26, 2020.

Where is Melissa Chambers located?

Melissa Chambers practices at 200 Ucla Medical Plz Ste 430, Los Angeles, CA 90095. The listed phone number is (310) 794-7274.

What is Melissa Chambers's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Melissa Chambers enrolled in Medicare?

Yes. Melissa Chambers is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Melissa Chambers's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Chambers reassigns Medicare benefits to The Regents Of The University Of California (Los Angeles, 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 Melissa Chambers'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 Melissa Chambers was last updated on July 31, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.