John Vietquang Dang, MD
Internal Medicine Physician · Bethesda, MD
John Vietquang Dang, MD is an internal medicine physician with a practice address in Bethesda, Maryland, and NPI 1497245765, issued on May 13, 2018. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- John Vietquang Dang
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 0101267732 VA
Self-reported in NPPES; status is on the state search - Practice location
- 8901 Wisconsin Ave, Bethesda, MD 20889
- Phone
- (301) 319-8278
- Enumerated
- May 13, 2018
- Record last updated
- Jul 3, 2024
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 8901 Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Vietquang Dang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $174.56
1 payment: food and beverage; the largest payer was Stryker Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Vietquang Dang among 3,904 internal medicine physician records in Maryland
John Vietquang Dang, MD 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 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- 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).
288 internal medicine physician records list a practice address in Bethesda
They are 288 of the 7,245 NPPES records with a practice address in Bethesda, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Bethesda → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Darrell Baranko, M.D.Bethesda, MD 208891366431082
- Jeffrey Blair, M.D.Bethesda, MD 208891184625378
- Richard Catherina, M.D.Bethesda, MD 208891437131505
- Kim Gibson, MDBethesda, MD 208891700861374
- Heather Grote, MDBethesda, MD 208891275512204
- Paul Han, MDBethesda, MD 208891144205162
- Douglas Hawk, M.D.Bethesda, MD 208891013990886
- Christopher Martin, M.D.Bethesda, MD 208891750362505
Common questions
What is John Vietquang Dang, MD's NPI number?
John Vietquang Dang, MD's National Provider Identifier (NPI) is 1497245765, issued on May 13, 2018. An NPI identifies a provider in billing; it is not a license.
Where is John Vietquang Dang, MD located?
The NPPES record lists a practice address at 8901 Wisconsin Ave, Bethesda, MD, 20889. Phone: (301) 319-8278. Providers update this record themselves, so call before visiting.
How can I verify John Vietquang Dang, MD's license?
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.
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.