Samuel Jaeyoung Chang, DO
Internal Medicine Physician · Bel Air, MD
Samuel Jaeyoung Chang, DO is an internal medicine physician with a practice address in Bel Air, Maryland, and NPI 1326626045, issued on Apr 1, 2021. Check the license (Maryland H0100469, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Samuel Jaeyoung Chang
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- H0100469 MD
Self-reported in NPPES; status is on the state search - Practice location
- 500 Upper Chesapeake Dr, Bel Air, MD 21014
- Phone
- (443) 643-1000
- Enumerated
- Apr 1, 2021
- Record last updated
- Jul 24, 2024
- Medicare enrollment
- Enrolled (PECOS I20240807003362); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Bradenton, 2021
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 500 Upper Chesapeake Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle Abramowski, CRNPAdult Health Nurse Practitioner1598954463
- Anna Adamson, MDHospice and Palliative Medicine (Internal Medicine) Physician1316280720
- Titilayo Adetu, MDFamily Medicine Physician1053479204
- Christina AgronRegistered Nurse1336985225
- Ekunola Alade, MDInternal Medicine Physician1750556288
- Olusumbo AladeMedical Physician Assistant1417484965
Verify Samuel Jaeyoung Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license H0100469Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
423 Medicare Part D claims for 121 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium31 claims
- Amlodipine Besylate16 claims
- Pantoprazole Sodium14 claims
- Furosemide13 claims
- Albuterol Sulfate Hfa11 claims
- Cefdinir11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Adfinitas Health AT Upper Chesapeake Aberdeen LLCAberdeen, MD
- Adfinitas Health AT Upper Chesapeake LLCBel Air, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Samuel Jaeyoung Chang among 3,904 internal medicine physician records in Maryland
Samuel Jaeyoung Chang, DO is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2021 · median 2003 among the 2,445 with a school on file
- Record last updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
63 internal medicine physician records list a practice address in Bel Air
They are 63 of the 1,945 NPPES records with a practice address in Bel Air, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Bel Air → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Vijay Abhyankar, M.D.Bel Air, MD 210141225033806
- David Dunn, M.D.Bel Air, MD 210141700881315
- Qinglin Gao, M.D.Bel Air, MD 210141053381780
- Philip Halstead, M.D.Bel Air, MD 210141962405704
- John Lynch, MDBel Air, MD 210141194721357
- David McClure, M.D.Bel Air, MD 210141275538878
- Ann Osman, M.D.Bel Air, MD 210141184629784
- Sherif Osman, M.D.Bel Air, MD 210141245235852
Common questions
What is Samuel Jaeyoung Chang, DO's NPI number?
Samuel Jaeyoung Chang, DO's National Provider Identifier (NPI) is 1326626045, issued on Apr 1, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Samuel Jaeyoung Chang, DO located?
The NPPES record lists a practice address at 500 Upper Chesapeake Dr, Bel Air, MD, 21014. Phone: (443) 643-1000. Providers update this record themselves, so call before visiting.
How can I verify Samuel Jaeyoung Chang, DO's license?
NPPES lists Maryland license number H0100469, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Samuel Jaeyoung Chang, DO prescribe under Medicare Part D?
In 2024, Samuel Jaeyoung Chang, DO had 423 Medicare Part D claims for 121 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.