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

Dr. Warren Marc Ross, MD

Individual provider Internal Medicine Physician · NPI 1770568891

Dr. Warren Marc Ross, MD is an Internal Medicine in Ellicott City, Maryland. Graduated from State University of New York at Buffalo School of Medicine in 1971, 55 years ago. Practices with Lifebridge Medical Associates LLC, an 18-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
55
Trained at
State University of New York at Buffalo School of Medicine
Licensed in
MD
In the registry since
2005
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

4801 Dorsey Hall Dr Ste 201
Ellicott City, MD 21042-7766
Phone: (410) 997-7660
Fax: (410) 997-7665
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D0017821 (MD)

Record details

NPI number1770568891
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 12, 2005
Last updated in NPPESDecember 31, 2009

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 1971 (55 years in practice)
Group practice Lifebridge Medical Associates Llc — 18 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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