Brian R Jackson, MD

Brian R Jackson is a Clinical Pathology/Laboratory Medicine Physician provider (Pathology) practicing in Baltimore, MD, registered in the NPPES registry with NPI 1255421855 since 2006. The credential MD stands for Doctor of Medicine.

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NPI	1255421855
Entity type	Individual (Type 1)
Name	Brian R Jackson
Credential	MD
Sex	Male
Practice address	22 S GREENE ST, Baltimore, MD, 21201
Phone	4103285509
Enumeration date	2006-10-13
Last updated in NPPES	2025-08-26

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
207ZP0105X	Clinical Pathology/Laboratory Medicine Physician	Secondary	5247478-1205	UT
207ZP0105X	Clinical Pathology/Laboratory Medicine Physician	Primary	D0104213	MD

MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Copy-ready billing details

Provider: Brian Jackson, MD
NPI: 1255421855
Taxonomy: 207ZP0105X (Clinical Pathology/Laboratory Medicine Physician)
Address: 22 S GREENE ST, Baltimore, MD, 21201

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1699691956	Ellia Khan	Individual	Student in an Organized Health Care Education/Training Program	Baltimore, MD
1457278772	Sasha Letourneau	Individual	Student in an Organized Health Care Education/Training Program	Baltimore, MD
1750383063	Malinda Duke	Individual	Pediatric Nurse Practitioner	Baltimore, MD
1700881802	Maria Baer	Individual	Hematology & Oncology Physician	Baltimore, MD
1386643450	Saul Yanovich	Individual	Hematology & Oncology Physician	Baltimore, MD
1982604773	Michelle Duell	Individual	Specialist	Baltimore, MD
1669472429	Kirti Shetty	Individual	Transplant Hepatology Physician	Baltimore, MD
1437150604	Linda Jeng	Individual	Clinical Molecular Genetics Physician	Baltimore, MD

Verify this record

Cross-check NPI 1255421855 against the authoritative CMS record: view Brian R Jackson on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where does Brian Jackson practice?

The practice location on file with NPPES is in Baltimore, MD. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Brian Jackson?

The National Provider Identifier (NPI) for Brian Jackson is 1255421855, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2025-08-26.