Kou Wei Chiu, MD
NPI 1912066358 · Family Medicine Physician · Winchester, TN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kou Wei Chiu, MD is a Family Medicine Physician provider in Winchester, TN (NPI 1912066358).
Provider details
- NPI number
- 1912066358
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD41405 (TN)
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
19 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
1,715 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 418 | $83 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 328 | $118 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 234 | $13 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 141 | $9 |
| Testing for Presence of Drug, Read By Direct Observation80305 | 94 | $12 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 76 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 132 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 278 | 80 |
| Atorvastatin Calcium | 232 | 79 |
| Lisinopril | 190 | 63 |
| Amlodipine Besylate | 169 | 50 |
| Gabapentin | 152 | 42 |
| Fluticasone Propionate | 149 | 82 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$229 across 3 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
- 2006-12-08
- Last updated
- 2024-01-23
- Certified
- 2024-01-23
Frequently asked questions
- What is Kou Wei Chiu's NPI number?
- Kou Wei Chiu's National Provider Identifier (NPI) is 1912066358, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kou Wei Chiu's specialty?
- Kou Wei Chiu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kou Wei Chiu located?
- Kou Wei Chiu's practice location on file with NPPES is 2020 Cowan Hwy, Winchester, TN 37398-2446.
- What is Kou Wei Chiu's phone number?
- The practice phone number listed in the NPPES registry for Kou Wei Chiu is (931) 361-0100.
- Does Kou Wei Chiu accept Medicare?
- Kou Wei Chiu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kou Wei Chiu's NPI active?
- Yes — Kou Wei Chiu's NPI (1912066358) is active in the NPPES registry as of the last update on 2024-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.