NPI Portal NPI Lookup & Verification

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Physiological Laboratory in District of Columbia - NPI Providers

Active Physiological Laboratory providers with a practice location in District of Columbia. Each profile shows the NPI number, taxonomy code, license details, and practice address, useful for claims, credentialing, and verifying a provider.

4 providers in District of Columbia

Physiological Laboratory providers in District of Columbia

NPI Name Type Specialty Location
1720614944 Cardio Inc Organization Physiological Laboratory Washington, DC
1417906876 Dhc of Washington, L.L.C. Organization Physiological Laboratory Washington, DC
1285208009 Providence Health Services, Inc Organization Physiological Laboratory Washington, DC
1598313595 Providence Health Services, Inc Organization Physiological Laboratory Washington, DC

Frequently asked questions

How many Physiological Laboratory providers are in District of Columbia?
The latest NPPES snapshot lists 4 active providers with Physiological Laboratory as their primary taxonomy and a practice location in District of Columbia.
How do I verify a Physiological Laboratory provider's NPI in District of Columbia?
Open the provider's profile below to see their NPI, taxonomy code, license state, and practice address, then cross-check against the official NPPES registry (linked on every profile).
Can I get this data through an API?
Yes, the NPI Portal API provides JSON search by specialty, state, and city, plus batch NPI verification.

Source: CMS NPPES (public data). Snapshot 2026-07-13.