Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

PHYLLIS E NICHOLSON MD
NPI 1609854389
Internal Medicine in Olney, MD

Active since January 04, 2006
18101 PRINCE PHILIP DRIVE, MONTGOMERY GENERAL HOSPITAL, OLNEY, MD 20832(301) 774-8900(301) 570-8574 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Phyllis E Nicholson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PHYLLIS E NICHOLSON MD (NPI 1609854389) is an individual internal medicine provider in Olney, Maryland, licensed in Maryland (D0028429) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1609854389
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NamePHYLLIS E NICHOLSONCredential: MD
Location Address18101 PRINCE PHILIP DRIVE, MONTGOMERY GENERAL HOSPITALOlney, MD 20832
Mailing Address1300 Piccard Drive, Ste 202Rockville, MD 20850-4303 · (301) 921-7900 · Fax (301) 921-7915
Fax(301) 570-8574
Sole ProprietorNo
Enumeration DateJanuary 4, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1609854389 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MD · D0028429
Definition

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.

18101 PRINCE PHILIP DRIVE, Olney, MD 20832

Other Providers at the Same Location


The following 9 providers are registered at the same or a nearby location.

Emergency Medicine
18101 PRINCE PHILIP DRIVE, MONTGOMERY GENERAL HOSPITAL
OLNEY, MD 20832
Radiology (Diagnostic Radiology)
18101 PRINCE PHILIP DRIVE, MONTGOMERY GENERAL HOSPITAL
OLNEY, MD 20832
Physician Assistant (Medical)
18101 PRINCE PHILIP DRIVE
OLNEY, MD 20832
Physician Assistant
18101 PRINCE PHILIP DRIVE, MONTGOMERY GENERAL HOSPITAL
OLNEY, MD 20832
Physician Assistant
18101 PRINCE PHILIP DRIVE, MONTGOMERY GENERAL HOSPITAL
OLNEY, MD 20832
Emergency Medicine
18101 PRINCE PHILIP DRIVE, EMERGENCY DEPARTMENT
OLNEY, MD 20832
Physician Assistant
18101 PRINCE PHILIP DRIVE
OLNEY, MD 20832
Physician Assistant
18101 PRINCE PHILIP DRIVE
OLNEY, MD 20832
Emergency Medicine
18101 PRINCE PHILIP DRIVE, MONTGOMERY GENERAL HOSPITAL
OLNEY, MD 20832

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1609854389, enumerated as an "individual" on January 04, 2006.

The provider is located at 18101 PRINCE PHILIP DRIVE MONTGOMERY GENERAL HOSPITAL OLNEY, MD 20832 and the phone number is (301) 774-8900.

Internal Medicine with taxonomy code 207R00000X.