Dorothy Shum-Arenas, D.O.
Internal Medicine Physician · Winston Salem, NC
Dorothy Shum-Arenas, D.O. is an internal medicine physician with a practice address in Winston Salem, North Carolina, and NPI 1306109285, issued on Jun 16, 2012. Check the license (North Carolina 2024-01726, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Dorothy Shum-Arenas
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 2024-01726 NC
0102203616 VA
Self-reported in NPPES; status is on the state search - Practice location
- 2085 Frontis Plaza Blvd, Winston Salem, NC 27103
- Phone
- (980) 217-2025
- Enumerated
- Jun 16, 2012
- Record last updated
- Jun 16, 2026
- Medicare enrollment
- Enrolled (PECOS I20260204000298); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,056 in North Carolina → Look up another NPI →
Also registered at 2085 Frontis Plaza Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rhonda Cumbee, APRNNurse Practitioner1992237275
- Kimberly Daniele, PA-CPhysician Assistant1972805547
- Danielle Dinsmore, PA-CPhysician Assistant1023586997
- Whitney French, MDInternal Medicine Physician1821078171
Verify Dorothy Shum-Arenas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2024-01726Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
11 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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
- True North Medical OF Stony Brook, P.C.Merrick, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dorothy Shum-Arenas among 4,056 internal medicine physician records in North Carolina
Dorothy Shum-Arenas, D.O. is one of 4,056 internal medicine physician records with a practice address in North Carolina. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 69% of them.
- NPI issued2012 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2012 · median 2004 among the 2,706 with a school on file
- Record last updated2026 · 48% 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 North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
218 internal medicine physician records list a practice address in Winston Salem
They are 218 of the 10,040 NPPES records with a practice address in Winston Salem, and 4,056 internal medicine physician records in North Carolina.
All 4,056 in North Carolina → Every provider in Winston Salem → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Tamas Bathory, MDWinston Salem, NC 271031699754689
- Robert Bloomfield, MDMSWinston Salem, NC 271031962496810
- Bruce Brasher, MDWinston Salem, NC 271031992783971
- Edwin Chee, MDWinston Salem, NC 271031881674968
- David Collins, M.D.Winston Salem, NC 271031962407072
- Peter Cullen, MDWinston Salem, NC 271031568442580
- Jennifer Day, MDWinston Salem, NC 271031427038488
- James Dilley, M.D.Winston Salem, NC 271031801895339
Common questions
What is Dorothy Shum-Arenas, D.O.'s NPI number?
Dorothy Shum-Arenas, D.O.'s National Provider Identifier (NPI) is 1306109285, issued on Jun 16, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Dorothy Shum-Arenas, D.O. located?
The NPPES record lists a practice address at 2085 Frontis Plaza Blvd, Winston Salem, NC, 27103. Phone: (980) 217-2025. Providers update this record themselves, so call before visiting.
How can I verify Dorothy Shum-Arenas, D.O.'s license?
NPPES lists North Carolina license number 2024-01726, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dorothy Shum-Arenas, D.O. prescribe under Medicare Part D?
In 2024, Dorothy Shum-Arenas, D.O. had 11 Medicare Part D claims; 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.