Nelson Ta-Ching Chuang, M.D., M.H.S.
Gastroenterology Physician · Frederick, MD
Nelson Ta-Ching Chuang, M.D., M.H.S. is a gastroenterology physician with a practice address in Frederick, Maryland, and NPI 1336427004, issued on Jul 29, 2011. Check the license (Maryland D0088057, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Nelson Ta-Ching Chuang
- Credential
- M.D., M.H.S.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- D0088057 MD
Self-reported in NPPES; status is on the state search - Practice location
- 7109 Guilford Dr Ste 300, Frederick, MD 21704
- Phone
- (301) 695-6800
- Enumerated
- Jul 29, 2011
- Record last updated
- Nov 7, 2023
- Fax
- (301) 695-6891
- Medicare enrollment
- Enrolled (PECOS I20220714000403); accepts Medicare assignment
- Medical or professional school
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 2011
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 505 in Maryland → Look up another NPI →
Also registered at 7109 Guilford Dr Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shien Hu, MDGastroenterology Physician1366766966
- Ali Husain, MDGastroenterology Physician1316998883
- Evelyn Major, PA-CMedical Physician Assistant1023623519
- Kaylee Moody, CRNPFamily Nurse Practitioner1720898281
- Andrew Mowery, DOGastroenterology Physician1104084896
- Jessica RosenbergGastroenterology Physician1942734694
Verify Nelson Ta-Ching Chuang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0088057Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average gastroenterology physician in 2024
393 Medicare Part D claims for 111 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Omeprazole79 claims
- Pantoprazole Sodium64 claims
- Esomeprazole Magnesium39 claims
- Famotidine37 claims
- Ocaliva13 claims
- Rabeprazole Sodium13 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.
Industry payments in 2024: $2,202.68
111 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Bills Medicare through one group practice
- Frederick Gastroenterology Associates PARockville, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nelson Ta-Ching Chuang among 505 gastroenterology physician records in Maryland
Nelson Ta-Ching Chuang, M.D., M.H.S. is one of 505 gastroenterology physician records with a practice address in Maryland. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 76% of them.
- NPI issued2011 · 76% of these records are older, 22% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2011 · median 2002 among the 344 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Maryland
There are 505 gastroenterology physician records in Maryland.
All 505 in Maryland → Every provider in Frederick → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Shien Hu, MDFrederick, MD 217041366766966
- Ali Husain, MDFrederick, MD 217041316998883
- Andrew Mowery, DOFrederick, MD 217041104084896
- Jessica RosenbergFrederick, MD 217041942734694
- Weiming Yan, M.D.Frederick, MD 217041851552624
- Dawei Yang, MDFrederick, MD 217041922087477
- Matthew Yeatman, M.D.Frederick, MD 217041508869827
- Daniel Daniels, M.D.Frederick, MD 217021174631352
Common questions
What is Nelson Ta-Ching Chuang, M.D., M.H.S.'s NPI number?
Nelson Ta-Ching Chuang, M.D., M.H.S.'s National Provider Identifier (NPI) is 1336427004, issued on Jul 29, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Nelson Ta-Ching Chuang, M.D., M.H.S. located?
The NPPES record lists a practice address at 7109 Guilford Dr Ste 300, Frederick, MD, 21704. Phone: (301) 695-6800. Providers update this record themselves, so call before visiting.
How can I verify Nelson Ta-Ching Chuang, M.D., M.H.S.'s license?
NPPES lists Maryland license number D0088057, 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 Nelson Ta-Ching Chuang, M.D., M.H.S. prescribe under Medicare Part D?
In 2024, Nelson Ta-Ching Chuang, M.D., M.H.S. had 393 Medicare Part D claims for 111 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.