Mallory L. Lostumbo
1201 Seven Locks Road, Suite 201, Suite 201, 
Rockville, MD 

Overview

Mallory Lostumbo, M.D., is a pediatrician at Johns Hopkins Community Physicians in Rockville. She received her medical degree from SUNY Upstate Medical University in Syracuse, NY and completed her residency at Dartmouth Hitchcock in 2017. She is a fellow of the American Academy of Pediatrics and was named as a 2025 Top Doctor by Bethesda Magazine. Dr. Lostumbo’s clinical interests include preventative medicine, adolescent medicine and working with new parents. She lives locally with her husband and enjoys traveling, baking and spending time with friends and family.

Dr. Lostumbo is board certified in American Board Of Pediatrics. Dr. Lostumbo is currently accepting new patients.

Specialties

Pediatrics

Licenses

Pediatrics in MD

Board Certifications

American Board Of Pediatrics

Languages Spoken

English

Gender

Female

Insurance

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

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • 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
Johns Hopkins Healthcare
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
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Locations

Johns Hopkins Community Physicians - Rockville
1201 Seven Locks Road, Suite 201, Suite 201, Rockville, MD 20854
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Frequently Asked Questions about Dr. Mallory L. Lostumbo

How do I make an appointment with Dr. Mallory L. Lostumbo?

You can book an appointment with Dr. Mallory L. Lostumbo by calling their office at 301-881-7995. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Does Dr. Mallory L. Lostumbo accept my insurance?

Dr. Mallory L. Lostumbo accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 301-881-7995 to verify that your specific plan is currently accepted before your visit.

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.

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