El Tantiongco Castro, MD
Internal Medicine Physician · Washington, DC
El Tantiongco Castro, MD is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1508983842, issued on Mar 23, 2007. Check the license on the District of Columbia Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- El Tantiongco Castro
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA07453600 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 6900 Georgia Ave NW, Washington, DC 20307
- Phone
- (202) 782-1192
- Enumerated
- Mar 23, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (202) 782-5036
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 901 in District of Columbia → Look up another NPI →
Also registered at 6900 Georgia Ave NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify El Tantiongco Castro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
El Tantiongco Castro among 901 internal medicine physician records in District of Columbia
El Tantiongco Castro, MD is one of 901 internal medicine physician records with a practice address in District of Columbia. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 55% newer
- In a Medicare fileNo · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
891 internal medicine physician records list a practice address in Washington
They are 891 of the 45,857 NPPES records with a practice address in Washington, and 901 internal medicine physician records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 901 in District of Columbia → Every provider in Washington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Alan Kaplan, MDWashington, DC 203071255443123
- Andrew Kim, M.D.Washington, DC 203071417032814
Common questions
What is El Tantiongco Castro, MD's NPI number?
El Tantiongco Castro, MD's National Provider Identifier (NPI) is 1508983842, issued on Mar 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is El Tantiongco Castro, MD located?
The NPPES record lists a practice address at 6900 Georgia Ave NW, Washington, DC, 20307. Phone: (202) 782-1192. Providers update this record themselves, so call before visiting.
How can I verify El Tantiongco Castro, MD's license?
Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.