DIANE MAI THANH HO M.D.
NPI 1811182983
Internal Medicine in Los Angeles, CA
About Diane Mai Thanh Ho M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANE MAI THANH HO M.D. (NPI 1811182983) is an individual internal medicine provider in Los Angeles, California, licensed in California (A89573) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (2003).
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
Diane Mai Thanh Ho M.d. 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 Reassignment
Medicare enrollment records show Diane Ho reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chino Hills, CA 91709
- Reassigned Medicare billing, California enrollment
- 5,228 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 90036 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Diane Ho's NPI number?
The NPI number for Diane Ho is 1811182983. It was assigned to this individual provider in the NPPES registry on September 11, 2007.
Where is Diane Ho located?
Diane Ho practices at 520 S Burnside Ave Apt 6H, Los Angeles, CA 90036. The listed phone number is (323) 931-5737.
What is Diane Ho's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Diane Ho enrolled in Medicare?
Yes. Diane Ho 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 organization bills Medicare for Diane Ho's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diane Ho reassigns Medicare benefits to Southern California Permanente Medical Group (Chino Hills, 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 Diane Ho'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 Diane Ho was last updated on November 29, 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.