JOHN PATRICK WILLIAMS M.D. NPI 1154588820

NPI Information

  • NPI: 1154588820
  • Provider Name: JOHN PATRICK WILLIAMS, M.D.
  • Classification: Internal Medicine - 207R00000X
  • Entity Type: Individual
  • Address: 5801 DEFENSE PENTAGON
    WASHINGTON, DC
    ZIP 20310
  • Phone: (703) 614-7765

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NPI Details

John Patrick Williams, M.D. is an internal medicine in Washington, DC. The provider is a physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs. John Patrick Williams, M.D. NPI is 1154588820. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

5801 DEFENSE PENTAGON
WASHINGTON, DC
ZIP 20310-379
Phone: (703) 614-7765
Fax: (703) 692-1188

The enumeration date for this NPI number is 5/20/2008 and was last updated on 4/10/2025.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1390200000XStudent in an Organized Health Care Education/Training Program390200000XINDIANANo
2207R00000XInternal Medicine66374GEORGIAYes

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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