Charles Duncan, MD
Charles Duncan, MD holds NPI 1215932462, with a primary taxonomy of pulmonary disease physician and a practice location in San Antonio, TX. The number was issued on June 15, 2005 and the NPPES record was last updated on August 12, 2025. The record lists 2 taxonomy codes.
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Pulmonary Disease Physician Primary | 207RP1001X | H2115 (TX) |
| Critical Care Medicine (Internal Medicine) Physician | 207RC0200X | H2115 (TX) |
Practice location
Local context
Active NPPES records list 159 providers with pulmonary disease physician as the primary taxonomy within 25 miles of this practice location's ZIP code, 124 of them within 10 miles.
The same primary taxonomy is listed by 1,362 in Texas and 19,960 nationwide.
These are counts from NPPES records, not a ranking or recommendation. Distances are measured between ZIP code centers, not street addresses.
Record history
- Name on record
- Dr. Charles A Duncan
- Status
- Active
- NPI issued
- Last updated in NPPES
Is this your record? Updates are made through NPPES, the official National Plan and Provider Enumeration System.
NPPES data as of · Source: CMS NPPES
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