Seth Y Flagg, MD
Seth Y Flagg is a Family Medicine specialist based in Upper Marlboro, MD with over 20 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Seth Y Flagg, MD practices as part of a group family medicine physician practice in Upper Marlboro, MD. Trained at Tufts University School of Medicine (class of 2006), he has been practicing for over 20 years. Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family.
At a glance
- Prescribes opioids less than 17% of reporting doctors in Maryland
- Uses generic medications more than 25% of reporting doctors in Maryland
- Virtual visits available — no app or travel required
Older · 1792dNPPES updated 2021-06-26 · verify NPI on CMS · Verify license at Maryland Board of Physicians
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better4.36%
Maryland avg: 4.4 · US avg: 5.1
✓ Higher than most doctors nationally(-0.7 pts)
4.36% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better82.1%
Maryland avg: 83.4 · US avg: 82.8
⚠ Lower than most doctors nationally(-0.7 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
11
Unique beneficiaries
Boutique practicePrescription Recipients
111
Patients prescribed
Prescriptions Written
1,833
Total claims
Total Medicare drug cost: $130k
Percentile rankings compared against 2,391 reporting peers in Maryland.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2006
Tufts University School of Medicine
Board certified · Jun 25, 2021
Self-reported via NPPES
20 years in practice
Experienced
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Taxonomy: 207Q00000X
Education & Training
Tufts University School of Medicine (Class of 2006)
Mailing address
2101 E Jefferson St Ste 6w, Rockville, MD 20852-4908
Differs from practice location
Virtual Family Medicine Care With Seth Y Flagg
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Seth Y Flagg for follow-ups, medication reviews, and ongoing care — no travel to Upper Marlboro required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Seth Y Flagg
Dr. Flagg is listed as active in the NPI registry with telehealth listed in Upper Marlboro, MD. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (240) 672-3190.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D. See Data Methodology.
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Contact Seth Y Flagg
Practice Location
1221 Mercantile Ln, Upper Marlboro, MD 20774-5374
Mailing Address
2101 E Jefferson St Ste 6w, Rockville, MD 20852-4908
This is a provider directory. Contact the office directly to schedule appointments.
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