AIYANG ALLEN JIANG MD
NPI 1720519200
Internal Medicine - Critical Care Medicine in San Diego, CA
About Aiyang Allen Jiang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AIYANG ALLEN JIANG MD (NPI 1720519200) is an individual critical care medicine provider in San Diego, California, licensed in California (A159279) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS and is a graduate of R Franklin University Of Med & Sci/chicago Medical School (2017).
NPPES Registry Identity
Specialties & Licenses 3
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
Aiyang Allen Jiang 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 Aiyang Jiang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 129 clinicians in this Medicare group
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 clinicians in this Medicare group
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 50 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 6
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 92103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
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 Aiyang Jiang's NPI number?
The NPI number for Aiyang Jiang is 1720519200. It was assigned to this individual provider in the NPPES registry on March 25, 2017.
Where is Aiyang Jiang located?
Aiyang Jiang practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.
What is Aiyang Jiang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Aiyang Jiang enrolled in Medicare?
Yes. Aiyang Jiang 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 Aiyang Jiang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aiyang Jiang reassigns Medicare benefits to 3 organizations: Regents Of The University Of California (San Diego, CA), Emergency And Acute Care Medical Corporation (San Diego, CA) and Chest Medicine And Critical Care Medical Group, Inc. (San Diego, 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 Aiyang Jiang'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 Aiyang Jiang was last updated on July 19, 2023. 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.
# Aiyang Allen Jiang, MD · NPI 1720519200
Critical Care Medicine physician in San Diego, California. Individual provider, active in the CMS NPPES registry since March 25, 2017.
## Identity
- **NPI:** 1720519200 (Entity type: Individual)
- **Enumerated:** March 25, 2017
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** A159279 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 W ARBOR DR, San Diego, CA 92103-9000
- **Phone:** (800) 926-8273
## 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): Regents Of The University Of California (NPI 1386762300, San Diego, CA); Emergency And Acute Care Medical Corporation (NPI 1437103942, San Diego, CA); Chest Medicine And Critical Care Medical Group, Inc. (NPI 1841292521, San Diego, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** R Franklin University Of Med & Sci/chicago Medical School, class of 2017
## Record status
- **NPPES last updated:** July 19, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1720519200) · Data from the CMS NPPES public registry.