1. Home
  2. Directory
  3. California
  4. Los Angeles
  5. Internal Medicine
  6. NPI Profile

CHELSEA BENMESSAOUD MD
NPI 1700462140
Internal Medicine in Los Angeles, CA

Active since March 23, 2021PECOS Enrolled
911 BROXTON AVE, LOS ANGELES, CA 90024(310) 794-2202 Get Directions Write a Review

NPPES record last updated: March 20, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 20, 2025, Feb 20, 2025, Mar 23, 2021 (3 updates tracked since 2021).

About Chelsea Benmessaoud Md NPPES

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

CHELSEA BENMESSAOUD MD (NPI 1700462140) is an individual internal medicine provider in Los Angeles, California, licensed in California (A199505) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Vincennes, and is a graduate of University Of California, Geffen School Of Medicine (2020).

NPPES Registry Identity

NPI1700462140
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameCHELSEA BENMESSAOUDCredential: MD
Location Address911 BROXTON AVELos Angeles, CA 90024-2801
Mailing Address911 Broxton AveLos Angeles, CA 90024-2801 · (317) 523-3461
Phone(310) 794-2202
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2020
Enumeration DateMarch 23, 2021
Last NPPES UpdateMarch 20, 20253 updates tracked since enumeration
NPPES CertifiedMarch 20, 2025
✔ NPI 1700462140 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A199505
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
911 BROXTON AVE, Los Angeles, CA 90024
Open in Google Maps ↗

Secondary Practice Location 1

Location 1520 S 7th StVincennes, IN 47591-1038 · Phone (812) 885-8520

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chelsea Benmessaoud Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID446651145
PECOS Enrollment IDI20260429002306
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90024 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
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
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 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. YING-YING GOH M.D.
Pediatrics
911 BROXTON AVE, 3RD FLOOR
LOS ANGELES, CA 90024
Los Angeles County (310) 794-2268
DR. KRISTINA MARIE CORDASCO M.D., M.P.H.
Internal Medicine
911 BROXTON AVE, 3RD FLOOR
LOS ANGELES, CA 90024
Los Angeles County (310) 794-2206
DR. RAYMOND PERRY M.D.
Pediatrics
911 BROXTON AVE, 3RD FLOOR
LOS ANGELES, CA 90024
Los Angeles County (310) 794-2904

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 Chelsea Benmessaoud's NPI number?

The NPI number for Chelsea Benmessaoud is 1700462140. It was assigned to this individual provider in the NPPES registry on March 23, 2021.

Where is Chelsea Benmessaoud located?

Chelsea Benmessaoud practices at 911 Broxton Ave, Los Angeles, CA 90024. The listed phone number is (310) 794-2202.

What is Chelsea Benmessaoud's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Chelsea Benmessaoud enrolled in Medicare?

Yes. Chelsea Benmessaoud is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Chelsea Benmessaoud was last updated on March 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.