Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Deborah J Nicholson, MD

Individual provider Specialist · NPI 1063576049

Dr. Deborah J Nicholson, MD is an Allergy/Immunology in Catonsville, Maryland. Graduated from Howard University College of Medicine in 1981, 45 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
45
Trained at
Howard University College of Medicine
Licensed in
MD
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2 W Rolling Crossroads Ste 104
Catonsville, MD 21228-6208
Phone: (410) 719-9630
Fax: (410) 719-9672
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence D0033702 (MD)

Record details

NPI number1063576049
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 21, 2006
Last updated in NPPESSeptember 25, 2014
Mailing address2 W Rolling Crossroads, Suite 104, Catonsville, MD 21228-6208

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyALLERGY/IMMUNOLOGY
Medical schoolHOWARD UNIVERSITY COLLEGE OF MEDICINE
Graduated 1981 (45 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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