DR. JOHN SHIH-CHANG CHING M.D.
NPI 1770720799
Pediatrics - Pediatric Endocrinology in Los Angeles, CA
About Dr. John Shih-chang Ching M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN SHIH-CHANG CHING M.D. (NPI 1770720799) is an individual pediatric endocrinology provider in Los Angeles, California, licensed in California (A92055) and active in the NPI registry since January 2009. He is enrolled in Medicare PECOS and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. John Shih-chang Ching M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show John Ching reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 clinicians in this Medicare group
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 1,001 clinicians in this Medicare group
Los Angeles, CA 90038
- Reassigned Medicare billing, California enrollment
- 1,939 clinicians in this Medicare group
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 clinicians in this Medicare group
Fresno, CA 93720
- Reassigned Medicare billing, California enrollment
- 604 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 90048 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.
Reported Quality Measures
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
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 John Ching's NPI number?
The NPI number for John Ching is 1770720799. It was assigned to this individual provider in the NPPES registry on January 13, 2009.
Where is John Ching located?
John Ching practices at 8723 Alden Dr Ste 240, Los Angeles, CA 90048. The listed phone number is (310) 423-7779.
What is John Ching's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.
Is John Ching enrolled in Medicare?
Yes. John Ching is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Ching's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Ching reassigns Medicare benefits to 5 organizations: Cedars-Sinai Medical Care Foundation (Los Angeles, CA), Cedars-Sinai Medical Center (Los Angeles, CA), County Of Los Angeles (Los Angeles, CA), Memorialcare Medical Foundation (Fountain Valley, CA) and Community Health Partners (Fresno, 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 John Ching'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 John Ching was last updated on January 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Dr. John Shih-Chang Ching, M.D. · NPI 1770720799
Pediatric Endocrinology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since January 13, 2009.
## Identity
- **NPI:** 1770720799 (Entity type: Individual)
- **Enumerated:** January 13, 2009
- **Primary specialty:** Pediatrics - Pediatric Endocrinology · taxonomy 2080P0205X
- **State license:** A92055 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 8723 ALDEN DR STE 240, Los Angeles, CA 90048-3692
- **Phone:** (310) 423-7779
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Cedars-Sinai Medical Care Foundation (NPI 1043826720, Los Angeles, CA); Cedars-Sinai Medical Center (NPI 1639172372, Los Angeles, CA); County Of Los Angeles (NPI 1083808836, Los Angeles, CA); Memorialcare Medical Foundation (NPI 1205167350, Fountain Valley, CA); Community Health Partners (NPI 1952912420, Fresno, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1770720799) · Data from the CMS NPPES public registry.