DR. DOUGLAS DONALD ROSS MD
NPI 1861447666
Internal Medicine - Hematology & Oncology in Baltimore, MD

Active since May 23, 2006
22 S GREENE ST, BALTIMORE, MD 21201(410) 328-3685(410) 328-6559 Get Directions Write a Review

NPPES record last updated: May 27, 2015. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Douglas Donald Ross Md NPPES

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

DR. DOUGLAS DONALD ROSS MD (NPI 1861447666) is an individual hematology & oncology provider in Baltimore, Maryland, licensed in Maryland (D0026327) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1861447666
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. DOUGLAS DONALD ROSSCredential: MD
Location Address22 S GREENE STBaltimore, MD 21201-1544
Mailing AddressPo Box 62602Baltimore, MD 21264-2602 · (410) 328-3685 · Fax (410) 328-6559
Fax(410) 328-6559
Sole ProprietorNo
Enumeration DateMay 23, 2006
Last NPPES UpdateMay 27, 2015
NPI 1861447666 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in MD · D0026327
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal Medicine · Hospice and Palliative MedicineTaxonomy 207RH0002X · License D26327 (MD)
22 S GREENE ST, Baltimore, MD 21201

Other Identifiers 5

Medicare UPINE10894MD
Medicaid340171500MD
Medicare PIN349L807BMD
Other34954501MD · Blue Cross/blue Shield
Medicare PIN409019ZAQPMD

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, MEDICINE, N3E09
BALTIMORE, MD 21201
Physician Assistant (Medical)
22 S GREENE ST, G2K36
BALTIMORE, MD 21201
Pediatrics (Adolescent Medicine)
22 S GREENE ST
BALTIMORE, MD 21201
Nurse Practitioner (Acute Care)
22 S GREENE ST, SUITE S4D07
BALTIMORE, MD 21201
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, N3E09
BALTIMORE, MD 21201
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine
22 S GREENE ST, N3E09
BALTIMORE, MD 21201

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Douglas Ross's NPI number?

The NPI number for Douglas Ross is 1861447666. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Where is Douglas Ross located?

Douglas Ross practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-3685.

What is Douglas Ross's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for Douglas Ross was last updated on May 27, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.