Kai Sun, D.O.
NPI 1023286317 · Cardiovascular Disease Physician · San Angelo, TX
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kai Sun, D.O. is a Cardiovascular Disease Physician provider in San Angelo, TX (NPI 1023286317).
Provider details
- NPI number
- 1023286317
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- M9037 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
3,656 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,690 | $128 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 331 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 315 | $68 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 209 | $80 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 167 | $180 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 584 | 184 |
| Furosemide | 533 | 176 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 526 | 156 |
| Apixabanbrand: Eliquis | 514 | 106 |
| Metoprolol Succinate | 477 | 156 |
| Carvedilol | 395 | 123 |
| Spironolactone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$397 across 16 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
- 2008-02-20
- Last updated
- 2020-09-08
- Certified
- 2020-09-08
Frequently asked questions
- What is Kai Sun's NPI number?
- Kai Sun's National Provider Identifier (NPI) is 1023286317, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kai Sun's specialty?
- Kai Sun is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Kai Sun located?
- Kai Sun's practice location on file with NPPES is 3350 Executive Dr, San Angelo, TX 76904-6878.
- What is Kai Sun's phone number?
- The practice phone number listed in the NPPES registry for Kai Sun is (325) 245-4501.
- Does Kai Sun accept Medicare?
- Kai Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kai Sun's NPI active?
- Yes — Kai Sun's NPI (1023286317) is active in the NPPES registry as of the last update on 2020-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.