Thanh Cao, D.O.
NPI 1073963583 · Nephrology Physician · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thanh Cao, D.O. is a Nephrology Physician provider in Fountain Valley, CA (NPI 1073963583).
Provider details
- NPI number
- 1073963583
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A17028 (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
10 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
3,390 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 | 933 | $81 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 571 | $123 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 565 | $122 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 397 | $17 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 247 | $51 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 189 | 78 |
| Amlodipine Besylate | 184 | 67 |
| Losartan Potassium | 169 | 83 |
| Finerenonebrand: Kerendia | 153 | 40 |
| Sodium Polystyrene Sulfonate | 117 | 51 |
| Bumetanide | 113 | 45 |
| Empagliflozinbrand: Jardiance | 89 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$831 across 8 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
- 2016-06-15
- Last updated
- 2026-01-16
- Certified
- 2026-01-16
Frequently asked questions
- What is Thanh Cao's NPI number?
- Thanh Cao's National Provider Identifier (NPI) is 1073963583, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thanh Cao's specialty?
- Thanh Cao is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Thanh Cao located?
- Thanh Cao's practice location on file with NPPES is 11100 Warner Ave Ste 218, Fountain Valley, CA 92708-7511.
- What is Thanh Cao's phone number?
- The practice phone number listed in the NPPES registry for Thanh Cao is (714) 641-9696.
- Does Thanh Cao accept Medicare?
- Thanh Cao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thanh Cao's NPI active?
- Yes — Thanh Cao's NPI (1073963583) is active in the NPPES registry as of the last update on 2026-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.