DR. JOSEPH C CHIANG MD
NPI 1699935189
Emergency Medicine in New York, NY
About Dr. Joseph C Chiang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSEPH C CHIANG MD (NPI 1699935189) is an individual emergency medicine provider in New York, New York, licensed in California (A112623) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS and is a graduate of Icahn School Of Medicine At Mount Sinai (2006).
NPPES Registry Identity
Specialties & Licenses
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. Joseph C Chiang 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
4Medicare enrollment records show Joseph Chiang reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Blythe, CA 92225
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1073554002 (California)
- 2,323 clinicians in this Medicare group
Yuba City, CA 95991
- Reassigned Medicare billing, California enrollment
- 3,056 clinicians in this Medicare group
Sacramento, CA 95816
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Castro Valley, CA 94546
- Reassigned Medicare billing, California enrollment
- 43 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 4
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 10029 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
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 Joseph Chiang's NPI number?
The NPI number for Joseph Chiang is 1699935189. It was assigned to this individual provider in the NPPES registry on June 10, 2008.
Where is Joseph Chiang located?
Joseph Chiang practices at 3 E 101st St Apt 9H, New York, NY 10029. The listed phone number is (212) 241-0763.
What is Joseph Chiang's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Joseph Chiang enrolled in Medicare?
Yes. Joseph Chiang 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 Joseph Chiang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Chiang reassigns Medicare benefits to 4 organizations: Cep America-California (Blythe, CA), Sutter Valley Medical Foundation (Yuba City, CA), Sutter Bay Medical Foundation (Sacramento, CA) and Eden Emergency Medical Group Inc (Castro Valley, 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 Joseph Chiang'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 Joseph Chiang was last updated on December 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Joseph C Chiang, MD · NPI 1699935189
Emergency Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since June 10, 2008.
## Identity
- **NPI:** 1699935189 (Entity type: Individual)
- **Enumerated:** June 10, 2008
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A112623 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3 E 101ST ST, APT 9H, New York, NY 10029-6528
- **Phone:** (212) 241-0763
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Cep America-California (NPI 1710826581, Blythe, CA); Sutter Valley Medical Foundation (NPI 1992939565, Yuba City, CA); Sutter Bay Medical Foundation (NPI 1003267196, Sacramento, CA); Eden Emergency Medical Group Inc (NPI 1891786240, Castro Valley, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Icahn School Of Medicine At Mount Sinai, class of 2006
## Record status
- **NPPES last updated:** December 12, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1699935189) · Data from the CMS NPPES public registry.