HLA MYINT MAUNG SHIN JIAN HWANG M.D.
NPI 1356357560
Internal Medicine - Nephrology in Ontario, CA
About Hla Myint Maung Shin Jian Hwang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HLA MYINT MAUNG SHIN JIAN HWANG M.D. (NPI 1356357560) is an individual nephrology provider in Ontario, California, licensed in California (A55844) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Rancho Cucamonga, and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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
Hla Myint Maung Shin Jian Hwang 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 Reassignments
3Medicare enrollment records show Hla Myint Maung Hwang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ontario, CA 91762
- Reassigned Medicare billing, California enrollment
- 9 clinicians in this Medicare group
Upland, CA 91786
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1639869605 (California)
- 99 clinicians in this Medicare group
- Reassigned Medicare billing, California enrollment
- 37 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 9
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 91762 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ONTARIO, CA 91762
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 Hla Myint Maung Hwang's NPI number?
The NPI number for Hla Myint Maung Hwang is 1356357560. It was assigned to this individual provider in the NPPES registry on July 31, 2006.
Where is Hla Myint Maung Hwang located?
Hla Myint Maung Hwang practices at 1131 W 6th St Ste 150, Ontario, CA 91762. The listed phone number is (909) 482-4462.
What is Hla Myint Maung Hwang's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Hla Myint Maung Hwang enrolled in Medicare?
Yes. Hla Myint Maung Hwang 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 Hla Myint Maung Hwang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hla Myint Maung Hwang reassigns Medicare benefits to 3 organizations: Our Family Medical Group, Inc. (Ontario, CA), Chaparral Medical Group, Inc. (Upland, CA) and Hospitalist Corporation Of Inland Empire (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 Hla Myint Maung Hwang'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 Hla Myint Maung Hwang was last updated on January 2, 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.
# Hla Myint Maung Shin Jian Hwang, M.D. · NPI 1356357560
Nephrology physician in Ontario, California. Individual provider, active in the CMS NPPES registry since July 31, 2006.
## Identity
- **NPI:** 1356357560 (Entity type: Individual)
- **Enumerated:** July 31, 2006
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** A55844 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1131 W 6TH ST STE 150, Ontario, CA 91762-1116
- **Phone:** (909) 482-4462 · **Fax:** (909) 321-2130
## 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): Our Family Medical Group, Inc. (NPI 1558068759, Ontario, CA); Chaparral Medical Group, Inc. (NPI 1558689794, Upland, CA); Hospitalist Corporation Of Inland Empire (CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** January 2, 2026
- **Other identifiers:** Medicaid 00A558440 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1356357560) · Data from the CMS NPPES public registry.