SAMUEL JAEYOUNG CHANG DO
NPI 1326626045
Internal Medicine in Bel Air, MD
About Samuel Jaeyoung Chang Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAMUEL JAEYOUNG CHANG DO (NPI 1326626045) is an individual internal medicine provider in Bel Air, Maryland, licensed in Maryland (H0100469) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and maintains a secondary practice location in Birmingham.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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
Samuel Jaeyoung Chang Do 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
2Medicare enrollment records show Samuel Chang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bel Air, MD 21014
- Reassigned Medicare billing, Maryland enrollment
- 84 clinicians in this Medicare group
Aberdeen, MD 21001
- Reassigned Medicare billing, Maryland enrollment
- 97 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 3
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Maryland Medical Center
Acute Care Hospitals · Baltimore, MDUmd Upper Chesapeake Medical Center
Acute Care Hospitals · Bel Air, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21014 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BEL AIR, MD 21014
BEL AIR, MD 21014
BEL AIR, MD 21014
BEL AIR, MD 21014
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 Samuel Chang's NPI number?
The NPI number for Samuel Chang is 1326626045. It was assigned to this individual provider in the NPPES registry on April 1, 2021.
Where is Samuel Chang located?
Samuel Chang practices at 500 Upper Chesapeake Dr, Bel Air, MD 21014. The listed phone number is (443) 643-1000.
What is Samuel Chang's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Samuel Chang enrolled in Medicare?
Yes. Samuel Chang 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 Samuel Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Chang reassigns Medicare benefits to 2 organizations: Adfinitas Health At Upper Chesapeake, LLC (Bel Air, MD) and Adfinitas Health At Upper Chesapeake Aberdeen LLC (Aberdeen, MD). 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 Samuel Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Samuel Chang affiliated with any hospitals?
According to CMS data, Samuel Chang is affiliated with University Of Maryland Medical Center and Umd Upper Chesapeake Medical Center.
When was this NPI record last updated?
The NPPES record for Samuel Chang was last updated on July 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Samuel Jaeyoung Chang, DO · NPI 1326626045
Internal Medicine physician in Bel Air, Maryland. Individual provider, active in the CMS NPPES registry since April 1, 2021.
## Identity
- **NPI:** 1326626045 (Entity type: Individual)
- **Enumerated:** April 1, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** H0100469 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 500 UPPER CHESAPEAKE DR, Bel Air, MD 21014-4324
- **Phone:** (443) 643-1000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Adfinitas Health At Upper Chesapeake, LLC (NPI 1164134037, Bel Air, MD); Adfinitas Health At Upper Chesapeake Aberdeen LLC (NPI 1346941010, Aberdeen, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Lake Erie College Of Osteopathic Medicine, Bradenton, class of 2021
## Record status
- **NPPES last updated:** July 24, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1326626045) · Data from the CMS NPPES public registry.