DR. MARION S JOHNSON MD
NPI 1952523086
Allergy & Immunology - Allergy in Los Angeles, CA

Active since May 02, 2007PECOS EnrolledAccepts Medicare Assignment
1245 WILSHIRE BLVD STE 817, LOS ANGELES, CA 90017(213) 300-2102(800) 586-0181 Get Directions Write a Review

NPPES record last updated: July 30, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 29, 2020, Sep 15, 2017 (2 updates tracked since 2017).

About Dr. Marion S Johnson Md NPPES

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

DR. MARION S JOHNSON MD (NPI 1952523086) is an individual allergy provider in Los Angeles, California, licensed in California (G40087) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (1978).

NPPES Registry Identity

NPI1952523086
Entity TypeIndividualFemale
Primary Taxonomy207KA0200X
Provider Legal NameDR. MARION S JOHNSONCredential: MD
Location Address1245 WILSHIRE BLVD STE 817Los Angeles, CA 90017-4808
Mailing Address9854 National Blvd # 473Los Angeles, CA 90034-2713 · (310) 804-9741 · Fax (800) 586-0181
Fax(800) 586-0181
Sole ProprietorYes
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 1978
Enumeration DateMay 2, 2007
Last NPPES UpdateJuly 30, 20252 updates tracked since enumeration
NPPES CertifiedJuly 30, 2025
NPI 1952523086 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyAllergy & Immunology · AllergyAllopathic & Osteopathic Physicians
Taxonomy Code207KA0200X
License Licensed in CA · G40087
Definition
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee
Also ListedSpecialistTaxonomy 174400000X
1245 WILSHIRE BLVD STE 817, Los Angeles, CA 90017

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Marion S Johnson 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.

PECOS PAC ID3375509003
PECOS Enrollment IDI20041204000296
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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg J1569
Treatment-Injections and Infusions (nononcologic) · category RI008N
3 suppliers22 claims1,490 services$35.46 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

Internal Medicine (Endocrinology, Diabetes & Metabolism)
1245 WILSHIRE BLVD STE 817
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 Marion Johnson's NPI number?

The NPI number for Marion Johnson is 1952523086. It was assigned to this individual provider in the NPPES registry on May 2, 2007.

Where is Marion Johnson located?

Marion Johnson practices at 1245 Wilshire Blvd Ste 817, Los Angeles, CA 90017. The listed phone number is (213) 300-2102.

What is Marion Johnson's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.

Is Marion Johnson enrolled in Medicare?

Yes. Marion Johnson 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.

What insurance does Marion Johnson accept?

Health plans from Providence Health Plan list Marion Johnson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marion Johnson was last updated on July 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.