Dr. You Sung Sang, MD
- Medicare services, 2024
- 584
- Medicare patients, 2024
- 357
- Part D claims, 2024
- 2,453
- MIPS score, 2024
- 92
- Hospital affiliations
- 1
- Practice address
- 105 Wawecus St, Norwich, CT 06360
- Practice phone
- Call (860) 246-2571
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Connecticut GI
Norwich, Connecticut
Find Dr. Sang'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. You Sung Sang is a gastroenterologist in Norwich, Connecticut
Dr. Sang practices at Connecticut GI in Norwich, Connecticut.
Dr. Sang's NPI, 1275520892, was assigned on September 29, 2005. Dr. Sang graduated from Icahn School of Medicine at Mount Sinai in 1990. Dr. Sang holds Connecticut license 034513.
- NPI
- 1275520892NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860448099
- NPI enumeration date
- September 29, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (860) 246-2571
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. You Sung Sang practices at Connecticut GI in Norwich, Connecticut
Dr. Sang's primary practice is Connecticut GI, at 105 Wawecus St, Norwich, CT 06360 in Southeastern Ct County. The practice phone is (860) 246-2571.
- Connecticut GI105 Wawecus St, Norwich, CT 06360 · Southeastern Ct CountyPhone(860) 246-2571
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. You Sung Sang is affiliated with 4 sites of care and 1 medical group
Dr. Sang's primary practice is Connecticut GI in Norwich, Connecticut. Dr. Sang is also affiliated with Backus Hospital. The medical group on file is Connecticut GI. Dmand AI also links Dr. Sang to 1 more physician office and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. You Sung Sang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sang practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Connecticut GI | 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. You Sung Sang is one of 298 gastroenterologists in Connecticut
Gastroenterology is Dr. Sang's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Sang is licensed in Connecticut.
Specialties and state licenses
- Gastroenterology, ConnecticutPrimary
Gastroenterologists near Dr. Sang
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. You Sung Sang billed Medicare for 584 services in 2024
CMS data shows 584 Medicare services from Dr. Sang across 13 procedure codes in 2024, for 357 Medicare patients. Medicare paid $58,288 for them.
Dr. Sang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3072024: 26813%
- Surgery
- 2023: 2412024: 20714%
- Other services
- 2023: 332024: 5876%
- Drugs given in the office
- 2023: 352024: 5146%
Where Dr. Sang's Medicare services took place, 2024
- In an office29751%
- In a facility28749%
Dr. Sang compared with the Connecticut median for gastroenterologists, 2024
- Dr. Sang
- Connecticut median
- Medicare services
- 584vs 36162% above
- Medicare patients
- 357vs 25341% above
- Part D claims
- 2,285vs 5384.2 times
Medians across 284 gastroenterologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Sang'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sang and other gastroenterologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. You Sung Sang treated 357 Medicare patients in 2024, average age 72
CMS counts 357 Medicare patients who saw Dr. Sang in 2024. The largest group is 65 to 74, with 158 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sang's median patient age at 62, with 53% women.
Dr. Sang's Medicare patients by age, 2024
Dr. Sang's Medicare patients by sex, 2024
- Women19755%
- Men16045%
Chronic conditions among Dr. Sang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Anxiety34%
- Diabetes33%
- COPD28%
- Mood disorders26%
- Chronic kidney disease25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. You Sung Sang wrote 2,453 Medicare Part D claims in 2024
In 2024, Dr. Sang wrote 2,453 Medicare Part D claims for 591 patients. 73% of them were for generic drugs. CMS names the drug for 2,285 of them, across 50 drugs with 11 or more claims each, at $1,665,295 in total drug cost. In 2023, CMS named 1,857 claims across 43 drugs.
Dr. Sang's Part D claims by kind of drug, 2024
- Generic1,795 claims73%
- Brand-name and other658 claims27%
Dr. Sang'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. Sang's Part D claims, 2024
- Opioids1%32 of 2,453 claims
- Antibiotics1%33 of 2,453 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: 1,8572024: 2,28523%
Drugs named by CMS: 50 in 2024, 43 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. You Sung Sang scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Sang for performance year 2024, reported as part of a group. Dr. Sang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sang as offering telehealth. CMS counts 102 procedures of colonoscopy by Dr. Sang, more than 80% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Sang's MIPS scores, performance year 2024
- 92of 100Final score
- 89.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Sang ranks in Medicare procedure volume
- Colonoscopy
- 80th percentile102 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 69th percentile67 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. You Sung Sang received $100,076 in industry payments from 2016 to 2025
CMS Open Payments shows 1,531 general payments to Dr. Sang from 53 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 56% of the total. Allergan Inc. paid the most, $29,792.
General payments to Dr. Sang by program year, 2016 to 2025
General payments to Dr. Sang by kind, 2016 to 2025
- Speaker and faculty fees$56,00056%
- Food and beverage$34,53835%
- Consulting fees$5,9956%
- Travel and lodging$3,3333%
- Education$2100%
Companies that paid Dr. Sang the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. You Sung Sang graduated from Icahn School of Medicine at Mount Sinai
Dr. Sang graduated from Icahn School of Medicine at Mount Sinai in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. You Sung Sang'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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. You Sung Sang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. You Sung Sang's NPI number?
Dr. You Sung Sang's NPI number is 1275520892. It was assigned on September 29, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. You Sung Sang?
Dr. You Sung Sang is a gastroenterologist in Norwich, Connecticut. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. You Sung Sang practice?
Dr. Sang practices at 105 Wawecus St, Norwich, CT 06360. Dr. Sang's primary practice is Connecticut GI in Norwich, Connecticut. Dmand AI also links Dr. Sang to 1 physician office and 1 group practice or clinic.
What is Dr. You Sung Sang's office phone number?
The practice phone on file for Dr. Sang is (860) 246-2571.
What is Dr. You Sung Sang's medical license number?
Dr. Sang holds Connecticut license 034513.
Which hospitals is Dr. You Sung Sang affiliated with?
Dr. Sang is affiliated with Backus Hospital.
What medical group is Dr. You Sung Sang part of?
Dr. Sang is linked to Connecticut GI.
Does Dr. You Sung Sang accept Medicare?
Yes. CMS data shows Dr. Sang billed Medicare for 584 services in 2024, and Dr. Sang accepts Medicare assignment.
Does Dr. You Sung Sang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Sang as offering telehealth services.
What is Dr. You Sung Sang's MIPS score?
Dr. Sang's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
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How many Medicare patients does Dr. You Sung Sang see?
CMS counts 357 Medicare patients who saw Dr. Sang in 2024, with an average age of 72.
What services does Dr. You Sung Sang bill to Medicare?
In 2024, Dr. Sang's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (43239) and surgery: digestive system (45385).
Where did Dr. You Sung Sang go to medical school?
Dr. Sang graduated from Icahn School of Medicine at Mount Sinai in 1990.
What drugs does Dr. You Sung Sang prescribe most?
In 2024 Medicare Part D data, Dr. Sang's most prescribed drugs by claims were Pantoprazole Sodium, Omeprazole and Linzess.
Has Dr. You Sung Sang received payments from drug or device companies?
CMS Open Payments shows $100,076 in general payments to Dr. Sang from 53 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. You Sung Sang been practicing?
Dr. Sang graduated from medical school in 1990, 36 years ago.
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