HLA MYINT MAUNG SHIN JIAN HWANG M.D.
NPI 1356357560
Internal Medicine - Nephrology in Ontario, CA

Active since July 31, 2006PECOS EnrolledAccepts Medicare Assignment
1131 W 6TH ST STE 150, ONTARIO, CA 91762(909) 482-4462(909) 321-2130 Get Directions Write a Review

NPPES record last updated: January 2, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 2, 2026, Feb 24, 2020, Oct 17, 2018 and 2 more (5 updates tracked since 2016).

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

NPI1356357560
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameHLA MYINT MAUNG SHIN JIAN HWANGCredential: M.D.
Location Address1131 W 6TH ST STE 150Ontario, CA 91762-1116
Mailing Address840 Towne Center DrPomona, CA 91767-5900 · (909) 398-1550 · Fax (909) 398-1488
Fax(909) 321-2130
Sole ProprietorNo
Medical School CMSOtherGraduated 1990
Enumeration DateJuly 31, 2006
Last NPPES UpdateJanuary 2, 20265 updates tracked since enumeration
NPPES CertifiedJanuary 2, 2026
NPI 1356357560 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in CA · A55844
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License A55844 (CA)
Also ListedHospitalistTaxonomy 208M00000X · License A55844 (CA)
1131 W 6TH ST STE 150, Ontario, CA 91762

Secondary Practice Location 1

Location 19190 Haven Ave Ste 102Rancho Cucamonga, CA 91730-5431 · Phone (909) 981-0989 · Fax (909) 321-2120

Other Identifiers 1

Medicaid00A558440CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID4688621113
PECOS Enrollment IDI20080222000443
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
813 services206 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
308 services57 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
235 services192 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
165 services78 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
160 services43 patients
Dialysis services, 2-3 physician visits per month (20 years or older) 90961
Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.
89 services39 patients

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.

New Patient
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035
Other-Enteral and Parenteral · category OB006N
1 supplier11 claims288 services$4.50 avg. paid by Medicare
Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers14 claims1,650 services$0.26 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
2 suppliers11 claims11 services$17.25 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Geriatric Medicine)
1131 W 6TH ST STE 150
ONTARIO, CA 91762
Family Medicine
1131 W 6TH ST STE 150
ONTARIO, CA 91762
Internal Medicine (Nephrology)
1131 W 6TH ST STE 150
ONTARIO, CA 91762
Internal Medicine (Geriatric Medicine)
1131 W 6TH ST STE 150
ONTARIO, CA 91762
Family Medicine
1131 W 6TH ST STE 150
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.

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 7 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.