DR. JOHN HYOUNGSUB SHIN M.D.
NPI 1295911493
Internal Medicine - Clinical Cardiac Electrophysiology in Upper Marlboro, MD
About Dr. John Hyoungsub Shin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN HYOUNGSUB SHIN M.D. (NPI 1295911493) is an individual clinical cardiac electrophysiology provider in Upper Marlboro, Maryland, licensed in Maryland (D0076066) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS, is affiliated with Luminis Health Anne Arundel Medical Center, Inc, and is a graduate of Vanderbilt University School Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John Hyoungsub Shin M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show John Shin reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Largo, MD 20774
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1730200965 (District of Columbia), NPI 1578638425 (District of Columbia), NPI 1285752121 (Maryland), NPI 1073678637 (District of Columbia), NPI 1942546486 (Maryland), NPI 1497023188 (District of Columbia)
- 752 clinicians in this Medicare group
Bowie, MD 20716
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Medicare enrollment name: Cardiology Associates LLC
- Also billed through NPI 1972800399 (Maryland)
- 42 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 277 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1376887844 (Maryland)
- 3,530 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 31
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Luminis Health Anne Arundel Medical Center, Inc
Acute Care Hospitals · Annapolis, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20774 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LARGO, MD 20774
LARGO, MD 20774
LARGO, MD 20774
LARGO, MD 20774
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Shin's NPI number?
The NPI number for John Shin is 1295911493. It was assigned to this individual provider in the NPPES registry on January 17, 2008.
Where is John Shin located?
John Shin practices at 1221 Mercantile Ln, Upper Marlboro, MD 20774. The listed phone number is (301) 618-5620.
What is John Shin's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is John Shin enrolled in Medicare?
Yes. John Shin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Shin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Shin reassigns Medicare benefits to 4 organizations: Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Largo, MD), Cardiology Associate, LLC (Bowie, MD), Medstar Heart Institute LLC (Washington, DC) and Medstar Medical Group II LLC (Washington, DC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Shin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Shin affiliated with any hospitals?
According to CMS data, John Shin is affiliated with Luminis Health Anne Arundel Medical Center, Inc.
When was this NPI record last updated?
The NPPES record for John Shin was last updated on October 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. John Hyoungsub Shin, M.D. · NPI 1295911493
Clinical Cardiac Electrophysiology physician in Upper Marlboro, Maryland. Individual provider, active in the CMS NPPES registry since January 17, 2008.
## Identity
- **NPI:** 1295911493 (Entity type: Individual)
- **Enumerated:** January 17, 2008
- **Primary specialty:** Internal Medicine - Clinical Cardiac Electrophysiology · taxonomy 207RC0001X
- **State license:** D0076066 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1221 MERCANTILE LN, Upper Marlboro, MD 20774-5374
- **Phone:** (301) 618-5620
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1366781700, Largo, MD); Cardiology Associate, LLC (NPI 1760789184, Bowie, MD); Medstar Heart Institute LLC (NPI 1528345378, Washington, DC); Medstar Medical Group II LLC (NPI 1023836137, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Vanderbilt University School Of Medicine, class of 2006
## Record status
- **NPPES last updated:** October 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1295911493) · Data from the CMS NPPES public registry.