DEBBY CHUNG MD
NPI 1235608316
Internal Medicine in Long Beach, CA
About Debby Chung Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEBBY CHUNG MD (NPI 1235608316) is an individual internal medicine provider in Long Beach, California, licensed in California (PTL1237) and active in the NPI registry since November 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 2
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
Debby Chung 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.
Medicare Billing Reassignments
3Medicare enrollment records show Debby Chung reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Long Beach, CA 90813
- Reassigned Medicare billing, California enrollment
- 28 clinicians in this Medicare group
Newport Coast, CA 92657
- Reassigned Medicare billing, California enrollment
- 33 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 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.
Areas of Expertise CMS Part B claims
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90813 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
LONG BEACH, CA 90813
LONG BEACH, CA 90813
LONG BEACH, CA 90813
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 Debby Chung's NPI number?
The NPI number for Debby Chung is 1235608316. It was assigned to this individual provider in the NPPES registry on November 18, 2018.
Where is Debby Chung located?
Debby Chung practices at 1050 Linden Ave, Long Beach, CA 90813. The listed phone number is (562) 491-9000.
What is Debby Chung's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Debby Chung enrolled in Medicare?
Yes. Debby Chung 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 Debby Chung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Debby Chung reassigns Medicare benefits to 3 organizations: Dignity Health (Long Beach, CA), Socal Hospitalists (Newport Coast, CA) and Inpatient Specialists Of California, PC (San Bernardino, 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 Debby Chung'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 Debby Chung was last updated on March 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Debby Chung, MD · NPI 1235608316
Internal Medicine physician in Long Beach, California. Individual provider, active in the CMS NPPES registry since November 18, 2018.
## Identity
- **NPI:** 1235608316 (Entity type: Individual)
- **Enumerated:** November 18, 2018
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** PTL1237 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1050 LINDEN AVE, Long Beach, CA 90813
- **Phone:** (562) 491-9000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Dignity Health (NPI 1194840421, Long Beach, CA); Socal Hospitalists (NPI 1891520318, Newport Coast, CA); Inpatient Specialists Of California, PC (NPI 1952792475, San Bernardino, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** March 17, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1235608316) · Data from the CMS NPPES public registry.