Dr. Nelson Ta-Ching Chuang, MD, MHS
- Medicare services, 2024
- 835
- Medicare patients, 2024
- 449
- Part D claims, 2024
- 393
- Publications
- 7
- MIPS score, 2024
- 67
- Practice address
- 7115 Guilford Drive, Suite 201, Frederick, MD 21704
- Practice phone
- Call (301) 682-6261
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Frederick Endoscopy Center
Surgery Center - Medicare-Certified · Frederick, Maryland
Find Dr. Chuang's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Nelson Ta-Ching Chuang is a gastroenterologist in Frederick, Maryland
Dr. Chuang practices at Frederick Endoscopy Center in Frederick, Maryland.
Dr. Chuang's NPI, 1336427004, was assigned on July 29, 2011. Dr. Chuang graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 2011. Dr. Chuang holds Maryland license D0088057.
- NPI
- 1336427004NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012202716
- NPI enumeration date
- July 29, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 682-6261
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nelson Ta-Ching Chuang practices at Frederick Endoscopy Center in Frederick, Maryland
Dr. Chuang's primary practice is Frederick Endoscopy Center, at 7115 Guilford Drive, Suite 201, Frederick, MD 21704. The practice phone is (301) 682-6261.
- Frederick Endoscopy Center7115 Guilford Drive, Suite 201, Frederick, MD 21704Phone(301) 682-6261
Source: Dmand AI Affiliation Data
Dr. Nelson Ta-Ching Chuang is affiliated with 4 sites of care and 1 medical group
Dr. Chuang's primary practice is Frederick Endoscopy Center in Frederick, Maryland. Dr. Chuang is also affiliated with Frederick Health Hospital. The medical group on file is Frederick Gastroenterology Associates. Dmand AI also links Dr. Chuang to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nelson Ta-Ching Chuang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chuang practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Frederick Endoscopy Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nelson Ta-Ching Chuang is one of 405 gastroenterologists in Maryland
Gastroenterology is Dr. Chuang's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Chuang is licensed in Maryland.
Specialties and state licenses
- Gastroenterology, MarylandPrimary
Gastroenterologists near Dr. Chuang
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nelson Ta-Ching Chuang billed Medicare for 835 services in 2024
CMS data shows 835 Medicare services from Dr. Chuang across 8 procedure codes in 2024, for 449 Medicare patients. Medicare paid $79,901 for them.
Dr. Chuang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3892024: 56345%
- Surgery
- 2023: 2732024: 23414%
- Imaging
- 2023: 02024: 38
Where Dr. Chuang's Medicare services took place, 2024
- In an office60172%
- In a facility23428%
Dr. Chuang compared with the Maryland median for gastroenterologists, 2024
- Dr. Chuang
- Maryland median
- Medicare services
- 835vs 66825% above
- Medicare patients
- 449vs 39015% above
- Part D claims
- 256vs 39235% below
Medians across 396 gastroenterologists in Maryland with Dmand AI profiles that report each measure.
Dr. Chuang's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nelson Ta-Ching Chuang treated 449 Medicare patients in 2024, average age 74
CMS counts 449 Medicare patients who saw Dr. Chuang in 2024. The largest group is 65 to 74, with 232 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chuang's median patient age at 56, with 49% women.
Dr. Chuang's Medicare patients by age, 2024
Dr. Chuang's Medicare patients by sex, 2024
- Women24855%
- Men20145%
Chronic conditions among Dr. Chuang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Ischemic heart disease35%
- Anxiety31%
- Mood disorders29%
- Diabetes28%
- Depression27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chuang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women49%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nelson Ta-Ching Chuang wrote 393 Medicare Part D claims in 2024
In 2024, Dr. Chuang wrote 393 Medicare Part D claims for 111 patients. 85% of them were for generic drugs. CMS names the drug for 256 of them, across 7 drugs with 11 or more claims each, at $138,003 in total drug cost. In 2023, CMS named 172 claims across 4 drugs.
Dr. Chuang's Part D claims by kind of drug, 2024
- Generic333 claims85%
- Brand-name60 claims15%
Dr. Chuang's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Chuang's Part D claims, 2024
- Antibiotics5%21 of 393 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1722024: 25649%
Drugs named by CMS: 7 in 2024, 4 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Nelson Ta-Ching Chuang scored 67 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 67 out of 100 for Dr. Chuang for performance year 2024, reported as part of a group. Dr. Chuang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 102 procedures of colonoscopy by Dr. Chuang, more than 80% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Chuang's MIPS scores, performance year 2024
- 67of 100Final score
- 39.1of 100Quality
- 89of 100Promoting Interoperability
- 40of 100Improvement Activities
- 61of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Chuang ranks in Medicare procedure volume
- Colonoscopy
- 80th percentile102 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 73rd percentile85 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Nelson Ta-Ching Chuang has 7 publications on record
Dmand AI links 7 papers to Dr. Chuang, published from 2011 to 2021. 2021 was the busiest year, with 2. The most frequent topics are High-Throughput Nucleotide Sequencing, Retroelements and Whole Genome Sequencing. Dr. Chuang has published most often in Genome Res. Dr. Chuang's most frequent co-authors are Amol Agarwal, MD, Rebekah Gertrude Gross, MD and Vincent K. Lam, MD.
Dr. Chuang's papers by year, 2011 to 2021
Topics Dr. Chuang writes about most
- High-Throughput Nucleotide Sequencing
- Retroelements
- Whole Genome Sequencing
Dr. Chuang's most frequent co-authors
- Amol Agarwal, MD1 shared paper
- Rebekah Gertrude Gross, MD1 shared paper
- Vincent K. Lam, MD1 shared paper
Recent publications by Dr. Chuang
See who Dr. Chuang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chuang works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nelson Ta-Ching Chuang received $8,639 in industry payments from 2021 to 2025
CMS Open Payments shows 446 general payments to Dr. Chuang from 34 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $1,523.
General payments to Dr. Chuang by program year, 2021 to 2025
General payments to Dr. Chuang by kind, 2021 to 2025
- Food and beverage$8,53099%
- Education$1091%
Companies that paid Dr. Chuang the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nelson Ta-Ching Chuang graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc)
Dr. Chuang graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nelson Ta-Ching Chuang's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Nelson Ta-Ching Chuang
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What is Dr. Nelson Ta-Ching Chuang's NPI number?
Dr. Nelson Ta-Ching Chuang's NPI number is 1336427004. It was assigned on July 29, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Nelson Ta-Ching Chuang?
Dr. Nelson Ta-Ching Chuang is a gastroenterologist in Frederick, Maryland. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Nelson Ta-Ching Chuang practice?
Dr. Chuang practices at 7115 Guilford Drive, Suite 201, Frederick, MD 21704. Dr. Chuang's primary practice is Frederick Endoscopy Center in Frederick, Maryland. Dmand AI also links Dr. Chuang to 1 hospital and 1 group practice or clinic.
What is Dr. Nelson Ta-Ching Chuang's office phone number?
The practice phone on file for Dr. Chuang is (301) 682-6261.
What is Dr. Nelson Ta-Ching Chuang's medical license number?
Dr. Chuang holds Maryland license D0088057.
Which hospitals is Dr. Nelson Ta-Ching Chuang affiliated with?
Dr. Chuang is affiliated with Frederick Health Hospital. Dmand AI links Dr. Chuang to 1 more hospital.
What medical group is Dr. Nelson Ta-Ching Chuang part of?
Dr. Chuang is linked to Frederick Gastroenterology Associates.
Does Dr. Nelson Ta-Ching Chuang accept Medicare?
Yes. CMS data shows Dr. Chuang billed Medicare for 835 services in 2024, and Dr. Chuang accepts Medicare assignment.
What is Dr. Nelson Ta-Ching Chuang's MIPS score?
Dr. Chuang's MIPS final score for performance year 2024 is 67 out of 100, reported as part of a group.
How many Medicare patients does Dr. Nelson Ta-Ching Chuang see?
CMS counts 449 Medicare patients who saw Dr. Chuang in 2024, with an average age of 74.
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What services does Dr. Nelson Ta-Ching Chuang bill to Medicare?
In 2024, Dr. Chuang's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: digestive system (45385).
Where did Dr. Nelson Ta-Ching Chuang go to medical school?
Dr. Chuang graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 2011.
What drugs does Dr. Nelson Ta-Ching Chuang prescribe most?
In 2024 Medicare Part D data, Dr. Chuang's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Esomeprazole Magnesium.
Has Dr. Nelson Ta-Ching Chuang received payments from drug or device companies?
CMS Open Payments shows $8,639 in general payments to Dr. Chuang from 34 companies from 2021 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Nelson Ta-Ching Chuang been practicing?
Dr. Chuang graduated from medical school in 2011, 15 years ago.
Does Dr. Nelson Ta-Ching Chuang do research?
Dmand AI links 7 publications to Dr. Chuang, published from 2011 to 2021.
Who does Dr. Nelson Ta-Ching Chuang publish with?
Dr. Chuang's most frequent co-authors are Amol Agarwal, MD (1 shared paper), Rebekah Gertrude Gross, MD (1 shared paper) and Vincent K. Lam, MD (1 shared paper).
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