JOHN HOANG DO
NPI 1265651632
Internal Medicine in San Bernardino, CA
About John Hoang Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN HOANG DO (NPI 1265651632) is an individual internal medicine provider in San Bernardino, California, licensed in California (20A9427) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
John Hoang Do 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 John Hoang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Anaheim, CA 92807
- Reassigned Medicare billing, California enrollment
- 13,921 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 92404 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 BERNARDINO, CA 92404
SAN BERNARDINO, CA 92404
SAN BERNARDINO, CA 92404
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 Hoang's NPI number?
The NPI number for John Hoang is 1265651632. It was assigned to this individual provider in the NPPES registry on April 24, 2007.
Where is John Hoang located?
John Hoang practices at 2101 N Waterman Ave, San Bernardino, CA 92404. The listed phone number is (909) 881-4520.
What is John Hoang's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is John Hoang enrolled in Medicare?
Yes. John Hoang 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 John Hoang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Hoang reassigns Medicare benefits to Southern California Permanente Medical Group (Anaheim, 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 John Hoang'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 Hoang was last updated on November 4, 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.
# John Hoang, DO · NPI 1265651632
Internal Medicine physician in San Bernardino, California. Individual provider, active in the CMS NPPES registry since April 24, 2007.
## Identity
- **NPI:** 1265651632 (Entity type: Individual)
- **Enumerated:** April 24, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 20A9427 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2101 N WATERMAN AVE, San Bernardino, CA 92404-4836
- **Phone:** (909) 881-4520
## 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:** Southern California Permanente Medical Group (NPI 1952333460, Anaheim, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** November 4, 2021
- **Other identifiers:** Other 020A94270 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1265651632) · Data from the CMS NPPES public registry.