You Sung Sang, M.D.
Gastroenterology Physician · Norwich, CT
You Sung Sang, M.D. is a gastroenterology physician with a practice address in Norwich, Connecticut, and NPI 1275520892, issued on Sep 29, 2005. Check the license (Connecticut 034513, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- You Sung Sang
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 034513 CT
Self-reported in NPPES; status is on the state search - Practice location
- 105 Wawecus St, Norwich, CT 06360
- Phone
- (860) 859-9061
- Enumerated
- Sep 29, 2005
- Record last updated
- Aug 15, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (860) 889-6200
- Medicare enrollment
- Enrolled (PECOS I20100910001119); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 336 in Connecticut → Look up another NPI →
Also registered at 105 Wawecus St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Giacchetto, MD PCOrthopaedic Surgery Physician1427052380
- Tonya Hall, M.D.Gastroenterology Physician1104813724
- Ayesha Siddique, MDAnatomic Pathology & Clinical Pathology Physician1730617861
Verify You Sung Sang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 034513Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average gastroenterology physician in 2024
2,453 Medicare Part D claims for 591 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Pantoprazole Sodium324 claims
- Omeprazole283 claims
- Linzess106 claims
- Dexlansoprazole Dr99 claims
- Sod Sulf-Potass Sulf-Mag Sulf91 claims
- Dicyclomine Hcl88 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $15,417.98
162 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. 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
- Connecticut GI PLLCNorwich, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
You Sung Sang among 336 gastroenterology physician records in Connecticut
You Sung Sang, M.D. is one of 336 gastroenterology physician records with a practice address in Connecticut. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1990 · median 2001 among the 255 with a school on file
- Record last updated2014 · 69% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Connecticut
There are 336 gastroenterology physician records in Connecticut.
All 336 in Connecticut → Every provider in Norwich → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Abera Abay, M.D.Norwich, CT 063601861489585
- Tonya Hall, M.D.Norwich, CT 063601104813724
- Jefrey Salek, MDNorwich, CT 063601962656314
- Sunita Sidhu-Buonocore, MDNorwich, CT 063601316264286
- Shivani Sood, M.D.Norwich, CT 063601356500532
- Sarah Canavan, MDWaterford, CT 063851851488621
- Mical Campbell, MDNew London, CT 063201083628770
- John Frese, M.D.New London, CT 063201457316382
Common questions
What is You Sung Sang, M.D.'s NPI number?
You Sung Sang, M.D.'s National Provider Identifier (NPI) is 1275520892, issued on Sep 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is You Sung Sang, M.D. located?
The NPPES record lists a practice address at 105 Wawecus St, Norwich, CT, 06360. Phone: (860) 859-9061. Providers update this record themselves, so call before visiting.
How can I verify You Sung Sang, M.D.'s license?
NPPES lists Connecticut license number 034513, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does You Sung Sang, M.D. prescribe under Medicare Part D?
In 2024, You Sung Sang, M.D. had 2,453 Medicare Part D claims for 591 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is You Sung Sang, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.