Charles Callahan, DO

Individual Active
NPI 1295823557
Pediatric Pulmonology Physician Washington, DC

Charles Callahan, DO is a pediatric pulmonology physician practicing in Washington, DC. The NPI was issued on October 11, 2006, and the record was last updated in NPPES on October 11, 2023. One additional practice location is listed.

Taxonomies and licenses

TaxonomyCodeLicense
Pediatric Pulmonology Physician Primary 2080P0214X DOS719 (HI)

Practice locations

Walter Reed Army Medical Center
Washington, DC 20907-1234
Phone: (202) 782-8397
22 S Greene St
Baltimore, MD 21201-1544
Phone: (667) 214-1916

Local context

Active NPPES records list 32 providers with pediatric pulmonology physician as the primary taxonomy within 25 miles of this practice location's ZIP code, 23 of them within 10 miles.

The same primary taxonomy is listed by 23 in District of Columbia and 1,755 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 Willis Callahan
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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