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MS. MARLA JOY WILLIAMSON NP
NPI 1831927078
Nurse Practitioner - Family in Inglewood, CA

Active since July 22, 2024PECOS EnrolledAccepts Medicare Assignment
933 N CEDAR ST APT 16, INGLEWOOD, CA 90302(424) 298-7763 Get Directions Write a Review

NPPES record last updated: July 22, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Ms. Marla Joy Williamson Np NPPES

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

MS. MARLA JOY WILLIAMSON NP (NPI 1831927078) is an individual family provider in Inglewood, California, licensed in California (95028894) and active in the NPI registry since July 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1831927078
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. MARLA JOY WILLIAMSONCredential: NP
Location Address933 N CEDAR ST APT 16Inglewood, CA 90302-2089
Mailing Address933 N Cedar St Apt 16Inglewood, CA 90302-2089 · (424) 298-7763
Phone(424) 298-7763
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateJuly 22, 2024
NPPES CertifiedJuly 21, 2024
✔ NPI 1831927078 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95028894
933 N CEDAR ST APT 16, Inglewood, CA 90302
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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

Ms. Marla Joy Williamson Np 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.

PECOS PAC ID1850824558
PECOS Enrollment IDI20241104000524
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 Reassignments

3

Medicare enrollment records show Marla Williamson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Centinela Freeman Emergency Medical Associates, Inc.
2.1 mi
Emergency Medicine
555 E HARDY ST
Inglewood, CA 90301
  • Reassigned Medicare billing, California enrollment
  • 111 clinicians in this Medicare group
NPI 1528333101 (310) 379-2134
West Coast Wound And Skin Care Inc
15 mi
Surgery
2309 W VICTORY BLVD
Burbank, CA 91506
  • Reassigned Medicare billing, California enrollment
  • 50 clinicians in this Medicare group
NPI 1437675980 (818) 856-9535
Altea Medical California PC
567 mi
Geriatric Medicine
2353 23RD ST
Eureka, CA 95501
  • Reassigned Medicare billing, California enrollment
  • 111 clinicians in this Medicare group
NPI 1174302954 (888) 408-7008

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 90302 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
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.

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 Marla Williamson's NPI number?

The NPI number for Marla Williamson is 1831927078. It was assigned to this individual provider in the NPPES registry on July 22, 2024.

Where is Marla Williamson located?

Marla Williamson practices at 933 N Cedar St Apt 16, Inglewood, CA 90302. The listed phone number is (424) 298-7763.

What is Marla Williamson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Marla Williamson enrolled in Medicare?

Yes. Marla Williamson 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 Marla Williamson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marla Williamson reassigns Medicare benefits to 3 organizations: Centinela Freeman Emergency Medical Associates, Inc. (Inglewood, CA), West Coast Wound And Skin Care Inc (Burbank, CA) and Altea Medical California PC (Eureka, 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 Marla Williamson'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 Marla Williamson was last updated on July 22, 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.