Registry data as of Aug 27, 2026

Duyen Co, DO

Internal Medicine Physician · Danville, VA

Duyen Co, DO is an internal medicine physician with a practice address in Danville, Virginia, and NPI 1770330086, issued on May 3, 2024. Check the license (Virginia 0116039459, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1770330086
Name
Duyen Co
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
0116039459 VA
Self-reported in NPPES; status is on the state search
Practice location
109 Bridge St, Danville, VA 24541
Phone
(434) 799-4488
Enumerated
May 3, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 109 Bridge St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Faisal Ahmadzai, DOStudent in an Organized Health Care Education/Training Program1578310876
  2. Samira Alishahdani, MDFamily Medicine Physician1245028570
  3. Cletus Atta, MDStudent in an Organized Health Care Education/Training Program1447007745
  4. Heather Barr, MDInternal Medicine Physician1932997152
  5. Neha Bharaj, MDInternal Medicine Physician1023806254
  6. Dwayne Cumberbatch, MDFamily Medicine Physician1760270037

Verify Duyen Co in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0116039459
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Virginia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

99% fewer Medicare Part D claims than the average internal medicine physician in 2024

16 Medicare Part D claims, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Duyen Co16
  2. Specialty average2,785

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.

64 internal medicine physician records list a Danville practice address

They are 64 of the 1,135 NPPES records with a Danville practice address, and 4,011 internal medicine physician records in Virginia.

Other internal medicine physician records in Virginia

  1. Caren Aaron, M.D.Martinsville, VA1477538734
  2. Michael Abadier, DOGloucester, VA1346778461
  3. Estefania Abasolo Lopez, MDManassas, VA1043899545
  4. Salma Abbas, MDRichmond, VA1427303387
  5. Amir AbbasiRichmond, VA1851233548
  6. Gohar Abbasi, MDChester, VA1134198187
  7. Mustafa Abbasi, MDAlexandria, VA1316019912
  8. Layla Abdal Hussain, MDWoobridge, VA1801036942
  9. Summer Abdel-Megeed, MDWoodbridge, VA1790838118
  10. Marwa Abdelfattah, M.D.Culpeper, VA1225251572

Common questions

What is Duyen Co, DO's NPI number?

Duyen Co, DO's National Provider Identifier (NPI) is 1770330086, issued on May 3, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Duyen Co, DO located?

The NPPES record lists a practice address at 109 Bridge St, Danville, VA, 24541. Phone: (434) 799-4488. Providers update this record themselves, so call before visiting.

How can I verify Duyen Co, DO's license?

NPPES lists Virginia license number 0116039459, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Duyen Co, DO prescribe under Medicare Part D?

In 2024, Duyen Co, DO had 16 Medicare Part D claims; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.