Mark Lazarev
Experienced in Bacterial Gastroenteritis

Dr. Mark Lazarev

Gastroenterology
Johns Hopkins Medicine
Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville
2360 West Joppa Road, Joppa Concourse STE 205, Joppa Concourse STE 205, 
Lutherville, MD 
Offers Telehealth

Experienced in Bacterial Gastroenteritis
Johns Hopkins Medicine
Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville
2360 West Joppa Road, Joppa Concourse STE 205, Joppa Concourse STE 205, 
Lutherville, MD 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Dr. Lazarev joined Johns Hopkins from the Mount Sinai Medical Center in New York, where he completed the Present-Levison advanced inflammatory bowel disease fellowship. A specialist in the diagnosis and management of Crohn's disease and ulcerative colitis, Dr. Lazarev has published numerous peer-reviewed articles, abstracts and chapters.

Dr. Lazarev is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Ulcerative Colitis, Colonoscopy, and Endoscopy.

His clinical research consists of co-authoring 65 peer reviewed articles. MediFind looks at clinical research from the past 15 years.

Residency
Beth Israel Deaconess Medical Center, Internal Medicine, 2005
Specialties
Gastroenterology
Licenses
Internal Medicine in PA
Board Certifications
American Board Of Internal Medicine
Fellowships
Mount Sinai Hospital, Gastroenterology, 2009
UPMC-University of Pittsburgh Medical Center, Gastroenterology, 2008
Hospital Affiliations
The Johns Hopkins Hospital
Johns Hopkins Bayview Medical Center
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
First Health
  • INSURANCE PLAN
  • MEDICARE PDP
  • PPO
Geisinger
  • HMO
  • POS
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Johns Hopkins Healthcare
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN
Kaiser Permanente
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
PacificSource
  • PPO
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
UPMC
  • EPO
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 19 Less Insurance Carriers -

Locations

Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville
2360 West Joppa Road, Joppa Concourse STE 205, Joppa Concourse STE 205, Lutherville, MD 21093
Call: 410-933-7495

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


65 Total Publications

Micronutrients are associated with endoscopic postoperative recurrence in Crohn's disease: a multicenter prospective cohort study in North america.
Micronutrients are associated with endoscopic postoperative recurrence in Crohn's disease: a multicenter prospective cohort study in North america.
Journal: Journal of Crohn's & colitis
Published: August 20, 2025
View All 65 Publications
Similar Doctors
Distinguished in Bacterial Gastroenteritis
Dr. Asheesh Sood
Gastroenterology
Distinguished in Bacterial Gastroenteritis
Dr. Asheesh Sood
Gastroenterology

Harford Gastroenterology Associates PA

100 Walter Ward Blvd, Suite 100, 
Abingdon, MD 
 (19.3 miles away)
443-483-3022
Languages Spoken:
English
See accepted insurances

Asheesh Sood is a Gastroenterologist in Abingdon, Maryland. Dr. Sood is rated as a Distinguished provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Diverticular Disease, Gastroesophageal Reflux Disease (GERD), Swallowing Difficulty, Endoscopy, and Colonoscopy.

Advanced in Bacterial Gastroenteritis
Dr. Andrew Rosenstein
Gastroenterology
Advanced in Bacterial Gastroenteritis
Dr. Andrew Rosenstein
Gastroenterology

Chesapeake Digestive Associates, PC

621 Ridgely Ave, Suite 201, 
Annapolis, MD 
 (21.2 miles away)
410-224-4887
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Andrew Rosenstein is a Gastroenterologist in Annapolis, Maryland. Dr. Rosenstein is rated as a Distinguished provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Crohn's Disease, Lower Esophageal Ring, Endoscopy, and Gastrectomy.

Advanced in Bacterial Gastroenteritis
Dr. Raja Mohi
Gastroenterology
Advanced in Bacterial Gastroenteritis
Dr. Raja Mohi
Gastroenterology

Raja M Din MD PLLC

7501 Greenway Ctr Dr, Suite 620, 
Greenbelt, MD 
 (26.2 miles away)
301-565-2250
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Raja Mohi is a Gastroenterologist in Greenbelt, Maryland. Dr. Mohi is rated as a Distinguished provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Hemorrhoids, Chronic Erosive Gastritis, Gastritis, Gastrectomy, and Endoscopy.

VIEW MORE BACTERIAL GASTROENTERITIS DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Lazarev's expertise for a condition
ConditionClose
  • Elite
  • Crohn's Disease
    Dr. Lazarev is
    Elite
    . Learn about Crohn's Disease.
    See more Crohn's Disease experts
  • Viral Gastroenteritis
    Dr. Lazarev is
    Elite
    . Learn about Viral Gastroenteritis.
    See more Viral Gastroenteritis experts
  • Distinguished
  • Colitis
    Dr. Lazarev is
    Distinguished
    . Learn about Colitis.
    See more Colitis experts
  • Hemorrhagic Proctocolitis
    Dr. Lazarev is
    Distinguished
    . Learn about Hemorrhagic Proctocolitis.
    See more Hemorrhagic Proctocolitis experts
  • Ulcerative Colitis
    Dr. Lazarev is
    Distinguished
    . Learn about Ulcerative Colitis.
    See more Ulcerative Colitis experts
  • Advanced
  • Colonoscopy
    Dr. Lazarev is
    Advanced
    . Learn about Colonoscopy.
    See more Colonoscopy experts
  • Endoscopy
    Dr. Lazarev is
    Advanced
    . Learn about Endoscopy.
    See more Endoscopy experts
  • Necrotizing Enterocolitis
    Dr. Lazarev is
    Advanced
    . Learn about Necrotizing Enterocolitis.
    See more Necrotizing Enterocolitis experts
  • Pseudomembranous Colitis
    Dr. Lazarev is
    Advanced
    . Learn about Pseudomembranous Colitis.
    See more Pseudomembranous Colitis experts
  • Experienced
  • Appendectomy
    Dr. Lazarev is
    Experienced
    . Learn about Appendectomy.
    See more Appendectomy experts
  • Attenuated Familial Adenomatous Polyposis
    Dr. Lazarev is
    Experienced
    . Learn about Attenuated Familial Adenomatous Polyposis.
    See more Attenuated Familial Adenomatous Polyposis experts
  • Bacterial Gastroenteritis
    Dr. Lazarev is
    Experienced
    . Learn about Bacterial Gastroenteritis.
    See more Bacterial Gastroenteritis experts
  • Bile Duct Stricture
    Dr. Lazarev is
    Experienced
    . Learn about Bile Duct Stricture.
    See more Bile Duct Stricture experts
  • Cholangitis
    Dr. Lazarev is
    Experienced
    . Learn about Cholangitis.
    See more Cholangitis experts
  • Chronic Erosive Gastritis
    Dr. Lazarev is
    Experienced
    . Learn about Chronic Erosive Gastritis.
    See more Chronic Erosive Gastritis experts
View All 19 Experienced Conditions
Want to save this doctor for later?
Sign Up
Is this your doctor?
Find A Second Opinion
Not sure about your diagnosis?
Check Your Symptoms
 
 
 
 
Learn about our expert tiers
Learn More
Are you the provider on this profile?
Claim Profile
For Patients
  • Our Story
  • How MediFind Works
  • Conditions A-Z
  • Doctor Directory
  • Symptoms Directory
  • Procedures Directory
  • Treatment Directory
  • Drug Directory
  • Infusion Center Finder
  • FAQ
  • Contact Us
For Providers and Practices
  • Claim Your Profile
  • Newsroom
Business Solutions
  • Provider
  • Network Solutions
Additional Resources
  • Consumer Health Data Privacy Policy
  • Privacy Policy
  • Terms of Use
  • Advertising Policy
  • Content Policy
Subscribe to our newsletter

Sign up to stay informed about MediFind and get wellness sent your way.

Close

    By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

    Bullet PinMediFind
    Follow us on
    This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
    © 2026 All Rights Reserved

    Request an Appointment

    If you are experiencing a medical emergency, call 9-1-1.

    MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

    Patient Details

    This information is for the patient who will be seen at the appointment.

      Close

      Returning patient? Use your address on file with the provider.

      Insurance Details

      Please provide information of the primary insurance holder as the practice may require this information to schedule.

      Insurance Provider *
      Insurance ProviderClose

      Appointments Details

      Let’s get more information about your appointment.

              0 / 1000
              0 / 1000
              By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.