John Hyoungsub Shin, M.D.
Clinical Cardiac Electrophysiology
John Hyoungsub Shin is a Clinical Cardiac Electrophysiology specialist based in Upper Marlboro, MD with over 20 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
John Hyoungsub Shin, M.D. has practiced internal medicine for 20+ years, working in group practice. He graduated from Vanderbilt University School of Medicine in 2006 and has 20+ years of clinical experience. He regularly sees Medicare patients with hypertension, high cholesterol, and afib (per CMS claims data). CMS MIPS quality score: 83.42/100 (2023).
At a glance
- Federal MIPS score higher than 67% of MIPS-scored doctors in Maryland
- Virtual visits available — no app or travel required
Older · 207dNPPES updated 2025-10-28 · verify NPI on CMS · Verify license at Maryland Board of Physicians
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in Maryland.
MIPS Score
202383.42/100
Maryland avg: 77.8 · US avg: 83.6
⚠ Lower than most doctors nationally(-0.2 pts)
Average range among MIPS-scored doctors in MarylandHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better77.2%
Maryland avg: 83.4 · US avg: 82.8
⚠ Lower than most doctors nationally(-5.6 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
775
Unique beneficiaries
High volumePrescription Recipients
381
Patients prescribed
Prescriptions Written
975
Total claims
Total Medicare drug cost: $313k
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.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Atrial Fibrillation.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↑ More patients than average (+44%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+21%) — a focus area for this doctor
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+29%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+1%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+3%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+7%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$750 received from industry
27 transactions reported in 2024 ·Moderate tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to John Hyoungsub Shin's NPI.
Patient Reviews
No patient reviews yet. If you've seen John Hyoungsub Shin, your feedback helps other patients.
Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →
Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2006
Vanderbilt University School of Medicine
Board certified · Oct 27, 2025
Self-reported via NPPES
20 years in practice
Experienced
A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.
Taxonomy: 207RC0001X
Education & Training
Vanderbilt University School of Medicine (Class of 2006)
Mailing address
2101 E Jefferson St Ste 6w Ppqa, Rockville, MD 20852-4908
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 500027
View hospital on Medicare Care CompareVirtual Clinical Cardiac Electrophysiology Care With John Hyoungsub Shin
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with John Hyoungsub Shin for blood pressure monitoring, cholesterol management, follow-up consultations — 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 John Hyoungsub Shin
Dr. Shin 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: (301) 618-5620.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
Is this your profile?
Verify credentials, update practice details, and manage telehealth.
Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact John Hyoungsub Shin
Practice Location
1221 Mercantile Ln, Upper Marlboro, MD 20774-5374
Mailing Address
2101 E Jefferson St Ste 6w Ppqa, Rockville, MD 20852-4908
This is a provider directory. Contact the office directly to schedule appointments.
Related Providers
Clinical Cardiac Electrophysiology in Maryland
See allEduardo B Flores, MD
Riverdale, MD
Daljit S Sawhney, M.D
Glenburnie, MD
Michael E Leibowitz, M.D.
Silver Spring, MD