Doctor profile · Federal record
Dr. Tiane Dai, MD
Nephrology Physician (CMS: Nephrology) · Torrance, CA
- NPI 1457643751
- Accepts Medicare
- 38 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
21840 Normandie Ave Ste 700
Torrance, CA 905022047
(310) 222-5026
fax (310) 222-5027 - Mailing address
-
1000 W Carson St Bldg N28
Torrance, CA 905022004
Credentials & registration
- NPI registered
- May 2011 — 15 yrs on file
- Profile last updated
- July 15, 2019
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- California #A114216
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457643751. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
728
Distinct HCPCS
5
Medicare allowed
$134,163
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 305 | 59 | $85 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 153 | 25 | $380 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 131 | 22 | $127 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 80 | 71 | $186 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 59 | 20 | $317 |
In context: peer comparison
Among 11 peers in Torrance Nephrology Physician, average services per provider: 241. This provider delivers 3.0× the peer median.Open Payments
Industry payments received
All-time total
$259
Transactions
11
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 4 | $87.23 | |
| Ardelyx, INC. | 2 | $52.41 | |
| Aurinia Pharma U.S., INC. | 1 | $28.53 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $28.06 | |
| Bayer Healthcare Pharmaceuticals INC. | 1 | $25.59 | |
| Opko Pharmaceuticals, LLC | 1 | $22.14 | |
| Paratek Pharmaceuticals, INC. | 1 | $14.77 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
370
Patients
68
Total drug cost
$129,177
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Nifedipine ER (Nifedipine) | Brand | 57 | 15 | $6,303 |
| Calcium Acetate | Generic | 53 | 17 | $5,965 |
| Sevelamer Carbonate | Generic | 47 | 14 | $22,233 |
| Losartan Potassium | Generic | 26 | 0 | $694 |
| Hydralazine Hcl | Generic | 24 | 0 | $385 |
| Lokelma (Sodium Zirconium Cyclosilicate) | Brand | 23 | 0 | $20,216 |
| Furosemide | Generic | 21 | 11 | $388 |
| Amlodipine Besylate | Generic | 19 | 11 | $223 |
| Pantoprazole Sodium | Generic | 18 | 0 | $250 |
| Terazosin Hcl | Generic | 17 | 0 | $312 |
Hospital affiliations
Frequently asked questions
What is Dr. Tiane Dai's medical specialty?
Dr. Tiane Dai practices Nephrology Physician in Torrance, CA.
Where does Dr. Tiane Dai practice?
Dr. Tiane Dai practices at 21840 Normandie Ave Ste 700, Torrance, CA 905022047. Office phone: 3102225026.
What is Dr. Tiane Dai's NPI?
Dr. Tiane Dai's National Provider Identifier (NPI) is 1457643751, issued by NPPES.
Does Dr. Tiane Dai accept Medicare assignment?
Yes. Dr. Tiane Dai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tiane Dai commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.