Chi Tang, MD
Endocrinology, Diabetes & Metabolism Physician · Ansonia, CT
Chi Tang, MD is an endocrinology, diabetes & metabolism physician with a practice address in Ansonia, Connecticut, and NPI 1013263870, issued on Jul 31, 2012. Check the license (Connecticut 57294, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Chi Tang
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 57294 CT
Self-reported in NPPES; status is on the state search - Practice location
- 135 Division St Ste 1, Ansonia, CT 06401
- Phone
- (203) 735-3500
- Enumerated
- Jul 31, 2012
- Record last updated
- Sep 19, 2023
- Fax
- (203) 735-0505
- Medicare enrollment
- Enrolled (PECOS I20180514002119); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 214 in Connecticut → Look up another NPI →
Verify Chi Tang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 57294Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
3,849 Medicare Part D claims for 554 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Levothyroxine Sodium445 claims
- Trulicity419 claims
- Alendronate Sodium307 claims
- Metformin Hcl278 claims
- Ozempic157 claims
- Mounjaro146 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 MIPS final score for 2023 (Medicare payment program): 97.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $792.41
36 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 5,661 providers of this specialty with any payment received $5,742.15 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
- Griffin Faculty Physicians IncNaugatuck, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chi Tang among 214 endocrinology, diabetes & metabolism physician records in Connecticut
Chi Tang, MD is one of 214 endocrinology, diabetes & metabolism physician records with a practice address in Connecticut. 83% 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 70% of them.
- NPI issued2012 · 70% of these records are older, 26% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2011 · median 2004 among the 145 with a school on file
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 endocrinology, diabetes & metabolism physician records list a practice address in Ansonia
They are 4 of the 203 NPPES records with a practice address in Ansonia, and 214 endocrinology, diabetes & metabolism physician records in Connecticut.
All 214 in Connecticut → Every provider in Ansonia → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Vallari Kothari, M.D.Ansonia, CT 064011942685292
- David Moll, M.D.Ansonia, CT 064011831186584
- Liqun Song, M.D.Ansonia, CT 064011699839852
- Jean Henry, M.D.Branford, CT 064051023174745
- Mary Windham, MDBranford, CT 064051417485830
- Reza Yavari, M.D.Branford, CT 064051053477703
- Richard Kayne, MDCheshire, CT 064101982709630
- Genevieve Kela, MDDerby, CT 064181003466160
Common questions
What is Chi Tang, MD's NPI number?
Chi Tang, MD's National Provider Identifier (NPI) is 1013263870, issued on Jul 31, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Chi Tang, MD located?
The NPPES record lists a practice address at 135 Division St Ste 1, Ansonia, CT, 06401. Phone: (203) 735-3500. Providers update this record themselves, so call before visiting.
How can I verify Chi Tang, MD's license?
NPPES lists Connecticut license number 57294, 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 Chi Tang, MD prescribe under Medicare Part D?
In 2024, Chi Tang, MD had 3,849 Medicare Part D claims for 554 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Chi Tang, MD's MIPS final score?
The 2023 MIPS final score is 97.3 of 100. 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.