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DR. CHARLES H SONG M.D.
NPI 1790792869
Pediatrics - Pediatric Allergy/Immunology in Los Angeles, CA

Active since August 02, 2006PECOS EnrolledAccepts Medicare Assignment
200 MEDICAL PLAZA SUITE 265, LOS ANGELES, CA 90095(310) 825-0867 Get Directions Write a Review

NPPES record last updated: July 5, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Charles H Song M.d. NPPES

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

DR. CHARLES H SONG M.D. (NPI 1790792869) is an individual pediatric allergy/immunology provider in Los Angeles, California, licensed in California (G23461) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Manhattan Beach, and is a graduate of Northwestern University Feinberg Medical School (1971).

NPPES Registry Identity

NPI1790792869
Entity TypeIndividualMale
Primary Taxonomy2080P0201X
Provider Legal NameDR. CHARLES H SONGCredential: M.D.
Location Address200 MEDICAL PLAZA SUITE 265Los Angeles, CA 90095-6814
Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631
Phone(310) 825-0867
Sole ProprietorYes
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1971
Enumeration DateAugust 2, 2006
Last NPPES UpdateJuly 5, 2018
✔ NPI 1790792869 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Allergy/ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0201X
License✔ Licensed in CA · G23461
Definition
A pediatrician who specializes in the diagnosis and treatment of allergies, allergic reactions, and immunologic diseases in children.
Also ListedSpecialistTaxonomy 174400000X · License G23461 (CA)
200 MEDICAL PLAZA SUITE 265, Los Angeles, CA 90095
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Secondary Practice Location 1

Location 1400 S Sepulveda Blvd, SUITE 220Manhattan Beach, CA 90266-6814 · Phone (310) 374-4481 · Fax (310) 374-4584

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. Charles H Song 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.

PECOS PAC ID446214639
PECOS Enrollment IDI20041117000562
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 Charles Song reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Uc Regents
0.1 mi
Pediatrics
200 UCLA MEDICAL PLAZA, SUITE 265
Los Angeles, CA 90095
  • Reassigned Medicare billing, California enrollment
  • 323 clinicians in this Medicare group
NPI 1982667663 (310) 825-0867
Andrew K. Wong, M.D., Inc.
12 mi
Allergy & Immunology
3113 N SEPULVEDA BLVD STE A
Manhattan Beach, CA 90266
  • Reassigned Medicare billing, California enrollment
  • 4 clinicians in this Medicare group
NPI 1669144465 (310) 802-8016
Oso Specialty Infusion, Inc.
43 mi
Infusion Therapy
17175 GILLETTE AVE STE B
Irvine, CA 92614
  • Reassigned Medicare billing, California enrollment
  • 19 clinicians in this Medicare group
NPI 1700305505 (949) 735-6803

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
24 services16 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
21 services11 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
19 services18 patients
Test to measure expiratory airflow and volume 94010
This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.
15 services13 patients
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211
This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.
15 services15 patients

Referred Medical Equipment & Supplies CMS DME claims 3

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

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221
DME-Other DME · category DE017N
1 supplier12 claims45 services$18.36 avg. paid by Medicare
Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222
DME-Medical/Surgical Supplies · category DA000N
2 suppliers19 claims128 services$35.24 avg. paid by Medicare
Ambulatory infusion pump, mechanical, reusable, for infusion 8 hours or greater E0779
DME-Other DME · category DE000N
1 supplier11 claims11 services$12.69 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 5

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

LISA NICHOLSON NP
Nurse Practitioner (Neonatal)
200 MEDICAL PLAZA SUITE 265
LOS ANGELES, CA 90095
Los Angeles County (310) 794-5066
DR. MARLIN YOUSSEF TOUMA MD
Pediatrics (Neonatal-Perinatal Medicine)
200 MEDICAL PLAZA SUITE 265
LOS ANGELES, CA 90095
Los Angeles County (310) 825-0867
REBECCA SIGNER MS, LCGC
Genetic Counselor, MS
200 MEDICAL PLAZA SUITE 265
LOS ANGELES, CA 90095
Los Angeles County (310) 206-6581
JESSICA SARAH VIOLETTE KIANMAHD MS, LCGC
Genetic Counselor, MS
200 MEDICAL PLAZA SUITE 265
LOS ANGELES, CA 90095
Los Angeles County (310) 206-6581
DR. PETER SZILAGYI MD
Pediatrics
200 MEDICAL PLAZA SUITE 265
LOS ANGELES, CA 90095
Los Angeles County (310) 825-0867

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 Charles Song's NPI number?

The NPI number for Charles Song is 1790792869. It was assigned to this individual provider in the NPPES registry on August 2, 2006.

Where is Charles Song located?

Charles Song practices at 200 Medical Plaza Suite 265, Los Angeles, CA 90095. The listed phone number is (310) 825-0867.

What is Charles Song's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Allergy/Immunology, with taxonomy code 2080P0201X.

Is Charles Song enrolled in Medicare?

Yes. Charles Song 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 Charles Song's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Song reassigns Medicare benefits to 3 organizations: Uc Regents (Los Angeles, CA), Andrew K. Wong, M.D., Inc. (Manhattan Beach, CA) and Oso Specialty Infusion, Inc. (Irvine, 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 Charles Song'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 Charles Song was last updated on July 5, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.