DR. JOHN F. KEISER MD PHD NPI 1720194103

NPI Information

NPI: 1720194103
Provider Name: DR. JOHN F. KEISER, MD, PHD
Classification: Pathology - 207ZM0300X
Specialization: Medical Microbiology
Entity Type: Individual
Address: 900 23RD ST NW
WASHINGTON, DC
ZIP 20037
Phone: (202) 994-3391

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NPI Details

DR. John F. Keiser, MD, PHD is a medical microbiology pathology in Washington, DC. The provider is a medical microbiologist is expert in the isolation and identification of microbial agents that cause infectious disease. Viruses, bacteria and fungi, as well as parasites, are identified and, where possible, tested for susceptibility to appropriate antimicrobial agents. DR. John F. Keiser, MD, PHD NPI is 1720194103. 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:

900 23RD ST NW
WASHINGTON, DC
ZIP 20037-342
Phone: (202) 994-3391

The enumeration date for this NPI number is 8/21/2006 and was last updated on 9/15/2020.

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
1	207ZP0105X	Pathology	Clinical Pathology/Laboratory Medicine	MD15828	DISTRICT OF COLUMBIA	No
2	207ZM0300X	Pathology	Medical Microbiology	MD15828	DISTRICT OF COLUMBIA	Yes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No.	Other Provider Identifier	Other Provider Identifier Type	Other Provider Identifier State	Other Provider Identifier Issuer
1	028848500	MEDICAID	DISTRICT OF COLUMBIA

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

NPI Synchronization or Removal

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