William Cho, MD
NPI 1821397407 · Internal Medicine Physician · Corydon, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Cho, MD is a Internal Medicine Physician provider in Corydon, IN (NPI 1821397407).
Provider details
- NPI number
- 1821397407
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01081748A (IN)
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 tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
657 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 311 | $73 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 87 | $46 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 84 | $121 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 83 | $106 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 38 | $161 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 27 | 11 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 23 | 22 |
| Prednisone | 21 | 21 |
| Levofloxacin | 14 | 14 |
| Amlodipine Besylate | 12 | — |
| Doxycycline Hyclate | 11 | 11 |
| Metoprolol Tartrate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-03-21
- Last updated
- 2020-12-29
- Certified
- 2020-12-29
Frequently asked questions
- What is William Cho's NPI number?
- William Cho's National Provider Identifier (NPI) is 1821397407, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Cho's specialty?
- William Cho is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Cho located?
- William Cho's practice location on file with NPPES is 1141 Hospital Dr Nw, Corydon, IN 47112-2164.
- What is William Cho's phone number?
- The practice phone number listed in the NPPES registry for William Cho is (812) 738-4251.
- Does William Cho accept Medicare?
- William Cho is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Cho's NPI active?
- Yes — William Cho's NPI (1821397407) is active in the NPPES registry as of the last update on 2020-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.