DR. THEODORE JEEN SUNG M.D.
NPI 1093974644
Emergency Medicine in Downey, CA

Active since June 07, 2008PECOS Enrolled
9333 IMPERIAL HWY, DOWNEY, CA 90242(800) 823-4040 Get Directions Write a Review

NPPES record last updated: December 21, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Theodore Jeen Sung M.d. NPPES

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

DR. THEODORE JEEN SUNG M.D. (NPI 1093974644) is an individual emergency medicine provider in Downey, California, licensed in California (A115385) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1093974644
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. THEODORE JEEN SUNGCredential: M.D.
Location Address9333 IMPERIAL HWYDowney, CA 90242-2812
Mailing Address9333 Imperial HwyDowney, CA 90242-2812 · (800) 823-4040
Sole ProprietorNo
Enumeration DateJune 7, 2008
Last NPPES UpdateDecember 21, 2021
NPPES CertifiedDecember 21, 2021
✔ NPI 1093974644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in CA · A115385✔ Licensed in NY · 250543✔ Licensed in MD · MD0070212
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
9333 IMPERIAL HWY, Downey, CA 90242

Other Names 1

Other Name (5)Dr. Ted Sung M.d.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Theodore Jeen Sung M.d. 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 Theodore Sung reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
9400 ROSECRANS AVE
Bellflower, CA 90706
  • Reassigned Medicare billing, California enrollment
  • 13,921 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 90242 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.

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.

Internal Medicine
9333 IMPERIAL HWY
DOWNEY, CA 90242
Pharmacist
9333 IMPERIAL HWY, 1ST FLOOR OUTPATIENT PHARMACY
DOWNEY, CA 90242
Respiratory Therapist, Registered (Neonatal/Pediatrics)
9333 IMPERIAL HWY
DOWNEY, CA 90242
Internal Medicine (Cardiovascular Disease)
9333 IMPERIAL HWY, DOWNEY
DOWNEY, CA 90242
Emergency Medicine
9333 IMPERIAL HWY
DOWNEY, CA 90242
Pharmacist
9333 IMPERIAL HWY
DOWNEY, CA 90242
Pharmacist
9333 IMPERIAL HWY
DOWNEY, CA 90242
Obstetrics & Gynecology
9333 IMPERIAL HWY
DOWNEY, CA 90242

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 Theodore Sung's NPI number?

The NPI number for Theodore Sung is 1093974644. It was assigned to this individual provider in the NPPES registry on June 7, 2008. The provider is also known as Dr. Ted Sung M.D..

Where is Theodore Sung located?

Theodore Sung practices at 9333 Imperial Hwy, Downey, CA 90242. The listed phone number is (800) 823-4040.

What is Theodore Sung's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Theodore Sung enrolled in Medicare?

Yes. Theodore Sung is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Theodore Sung's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Theodore Sung reassigns Medicare benefits to Southern California Permanente Medical Group (Bellflower, 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 Theodore Sung'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 Theodore Sung was last updated on December 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.