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

Dr. Mark Gregory Lazarev, MD

Individual provider Gastroenterology Physician · NPI 1104094739

Dr. Mark Gregory Lazarev, MD is a Gastroenterology in Baltimore, Maryland. Graduated from University of Pittsburgh School of Medicine in 2002, 24 years ago. Practices with Johns Hopkins University, a 2,855-clinician group and offers telehealth. Licensed in Maryland and Pennsylvania.

Years since qualifying
24
Trained at
University of Pittsburgh School of Medicine
Licensed in
MD, PA
In the registry since
2008
Specialties on file
2
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

600 N Wolfe St 1830 Bldg Rm 420
Baltimore, MD 21287-0006
Phone: (410) 614-6708
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence D69337 (MD)
Gastroenterology Physician Taxonomy 207RG0100X · Licence MT185907 (PA)

Record details

NPI number1104094739
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 17, 2008
Last updated in NPPESFebruary 11, 2013

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Johns Hopkins University — 2855 clinicians
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services

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