Tiane Dai, MD
NPI 1457643751 · Nephrology Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tiane Dai, MD is a Nephrology Physician provider in Torrance, CA (NPI 1457643751).
Provider details
- NPI number
- 1457643751
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A114216 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
627 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 291 | $84 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 204 | $381 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 74 | $317 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 58 | $185 |
Typical Medicare-allowed amounts for these services range $84–$381 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcium Acetate | 62 | 20 |
| Nifedipinebrand: Nifedipine Er | 47 | 16 |
| Sevelamer Carbonate | 42 | 16 |
| Losartan Potassium | 34 | — |
| Furosemide | 25 | — |
| Sodium Zirconium Cyclosilicatebrand: Lokelma | 24 | — |
| Amlodipine Besylate | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$259 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-05
- Last updated
- 2019-07-15
Frequently asked questions
- What is Tiane Dai's NPI number?
- Tiane Dai's National Provider Identifier (NPI) is 1457643751, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiane Dai's specialty?
- Tiane Dai is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Tiane Dai located?
- Tiane Dai's practice location on file with NPPES is 21840 Normandie Ave Ste 700, Torrance, CA 90502-2047.
- What is Tiane Dai's phone number?
- The practice phone number listed in the NPPES registry for Tiane Dai is (310) 222-5026.
- Does Tiane Dai accept Medicare?
- Tiane Dai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tiane Dai's NPI active?
- Yes — Tiane Dai's NPI (1457643751) is active in the NPPES registry as of the last update on 2019-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.