David Joon Young Jang, M.D.
Family Medicine Physician · Columbia, MD
David Joon Young Jang, M.D. is a family medicine physician with a practice address in Columbia, Maryland, and NPI 1356761969, issued on Apr 22, 2014. Check the license (Maryland D0086818, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- David Joon Young Jang
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- D0086818 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5500 Knoll North Dr, Columbia, MD 21045
- Phone
- (410) 837-2050
- Enumerated
- Apr 22, 2014
- Record last updated
- Apr 7, 2025
- Medicare enrollment
- Enrolled (PECOS I20210623000041); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,912 in Maryland → Look up another NPI →
Also registered at 5500 Knoll North Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Modupeola AderetiPharmacist1386074631
- Lisa Alley, ATC, LATAthletic Trainer1033560438
- Jennifer Appleby, RN, CDEDiabetes Educator Registered Nurse1457786493
- Lisane Brennan, P.T.Physical Therapist1326249764
- Lois Carani, M.D.Pulmonary Disease Physician1396756706
- Claudia Dal Molin, D.O.Sports Medicine (Internal Medicine) Physician1568782720
Verify David Joon Young Jang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0086818Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average family medicine physician in 2024
4,229 Medicare Part D claims for 551 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 19 claims were for opioids.
Most prescribed
- Atorvastatin Calcium404 claims
- Amlodipine Besylate326 claims
- Lisinopril171 claims
- Levothyroxine Sodium156 claims
- Hydrochlorothiazide151 claims
- Pantoprazole Sodium137 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 one group practice
- Chase Brexton Health Services IncBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Joon Young Jang among 1,912 family medicine physician records in Maryland
David Joon Young Jang, M.D. is one of 1,912 family medicine physician records with a practice address in Maryland. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 75% of them.
- NPI issued2014 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2014 · median 2004 among the 1,141 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
67 family medicine physician records list a practice address in Columbia
They are 67 of the 6,690 NPPES records with a practice address in Columbia, and 1,912 family medicine physician records in Maryland.
All 1,912 in Maryland → Every provider in Columbia → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sultana Afrooz, D.O.Columbia, MD 210451437293966
- Irma Bensinger, D.O.Columbia, MD 210451114956968
- Robert Cadogan, MDColumbia, MD 210451598767691
- Antoinette Cheney, D.O.Columbia, MD 210451093879108
- Sarah Connor, DOColumbia, MD 210451679728349
- Kisha Davis, MDColumbia, MD 210451629110788
- Rajiv Dua, M.D.Columbia, MD 210451043326945
- Ina Grundmann, M.D.Columbia, MD 210451093989097
Common questions
What is David Joon Young Jang, M.D.'s NPI number?
David Joon Young Jang, M.D.'s National Provider Identifier (NPI) is 1356761969, issued on Apr 22, 2014. An NPI identifies a provider in billing; it is not a license.
Where is David Joon Young Jang, M.D. located?
The NPPES record lists a practice address at 5500 Knoll North Dr, Columbia, MD, 21045. Phone: (410) 837-2050. Providers update this record themselves, so call before visiting.
How can I verify David Joon Young Jang, M.D.'s license?
NPPES lists Maryland license number D0086818, 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 David Joon Young Jang, M.D. prescribe under Medicare Part D?
In 2024, David Joon Young Jang, M.D. had 4,229 Medicare Part D claims for 551 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.