Doctor profile · Federal record
Dr. Hla Myint Maung Hwang, M.D.
Nephrology Physician (CMS: Nephrology) · Hospitalist Physician · Internal Medicine Physician · Ontario, CA
- NPI 1356357560
- Accepts Medicare
- 36 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1131 W 6Th St Ste 150
Ontario, CA 917621116
(909) 482-4462
fax (909) 321-2130 - Additional location
-
9190 Haven Ave Ste 102
Rancho Cucamonga, CA 917305431
(909) 981-0989
fax (909) 321-2120 - Mailing address
-
840 Towne Center Dr
Pomona, CA 917675900
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- January 2, 2026
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- California #A55844
- Medicaid
- CA #00A558440
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1356357560. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,839
Distinct HCPCS
9
Medicare allowed
$370,179
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 697 | 192 | $125 | |
99291 |
Critical care, first 30-74 minutes | 385 | 76 | $221 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 263 | 64 | $368 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 188 | 167 | $182 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 163 | 66 | $193 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 69 | 32 | $301 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 41 | 41 | $236 | |
90962 |
Dialysis services, 1 physician visit per month (20 years or older) | 20 | 17 | $208 | |
90935 |
Hemodialysis procedure with physician evaluation | 13 | 13 | $75 |
In context: peer comparison
Among 2 peers in Ontario Nephrology Physician, average services per provider: 152. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$444
Transactions
25
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ardelyx, INC. | 11 | $149.65 | |
| AstraZeneca Pharmaceuticals Lp | 4 | $81.07 | |
| Aurinia Pharma U.S., INC. | 3 | $69.24 | |
| Akebia Therapeutics INC | 2 | $43.23 | |
| Lilly USA, LLC | 2 | $38.01 | |
| Calliditas Therapeutics US INC. | 2 | $33.96 | |
| Otsuka America Pharmaceutical, INC. | 1 | $28.88 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,454
Patients
392
Total drug cost
$67,741
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Furosemide | Generic | 199 | 64 | $1,540 |
| Amlodipine Besylate | Generic | 158 | 49 | $2,502 |
| Calcium Acetate | Generic | 128 | 32 | $14,780 |
| Allopurinol | Generic | 119 | 33 | $1,487 |
| Clonidine Hcl | Generic | 106 | 29 | $1,532 |
| Atorvastatin Calcium | Generic | 102 | 23 | $1,721 |
| Sevelamer Carbonate | Generic | 96 | 36 | $29,679 |
| Nifedipine ER (Nifedipine) | Brand | 86 | 24 | $6,260 |
| Pantoprazole Sodium | Generic | 85 | 19 | $1,308 |
| Lisinopril | Generic | 84 | 16 | $996 |
Hospital affiliations
Frequently asked questions
What is Dr. Hla Myint Maung Hwang's medical specialty?
Dr. Hla Myint Maung Hwang practices Nephrology Physician in Ontario, CA.
Where does Dr. Hla Myint Maung Hwang practice?
Dr. Hla Myint Maung Hwang practices at 1131 W 6Th St Ste 150, Ontario, CA 917621116. Office phone: 9094824462.
What is Dr. Hla Myint Maung Hwang's NPI?
Dr. Hla Myint Maung Hwang's National Provider Identifier (NPI) is 1356357560, issued by NPPES.
Does Dr. Hla Myint Maung Hwang accept Medicare assignment?
Yes. Dr. Hla Myint Maung Hwang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hla Myint Maung Hwang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Critical care (HCPCS 99291); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960). Source: CMS Medicare Physician & Other Practitioners file.