Ahtsham Yousaf Chaudhary, MD
Internal Medicine Physician · Derby, CT
Ahtsham Yousaf Chaudhary, MD is an internal medicine physician with a practice address in Derby, Connecticut, and NPI 1295398899, issued on Apr 18, 2019. Check the license (Connecticut 70090, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Ahtsham Yousaf Chaudhary
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 70090 CT
Self-reported in NPPES; status is on the state search - Practice location
- 130 Division St, Derby, CT 06418
- Phone
- (203) 732-1330
- Enumerated
- Apr 18, 2019
- Record last updated
- Nov 11, 2025
- Fax
- (203) 732-1332
- Medicare enrollment
- Enrolled (PECOS I20220811002007); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 130 Division St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ahtsham Yousaf Chaudhary in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 70090Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 93.3 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).
Bills Medicare through one group practice
- Northeast Medical Group IncNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ahtsham Yousaf Chaudhary among 2,623 internal medicine physician records in Connecticut
Ahtsham Yousaf Chaudhary, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 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 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2015 · median 2004 among the 1,646 with a school on file
- Record last updated2025 · 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 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
47 internal medicine physician records list a practice address in Derby
They are 47 of the 453 NPPES records with a practice address in Derby, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Derby → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kanwardeep Arora, MDDerby, CT 064181508026428
- Earl Baker, MDDerby, CT 064181265635148
- Frederick Browne, MDDerby, CT 064181588641955
- Seema Dsouza, M.D.Derby, CT 064181851373187
- Robert Hyde, MDDerby, CT 064181902011885
- David Katz, MDDerby, CT 064181528138435
- Michael KesslerDerby, CT 064181770672180
- Gail Labadia, M.D.Derby, CT 064181649202144
Common questions
What is Ahtsham Yousaf Chaudhary, MD's NPI number?
Ahtsham Yousaf Chaudhary, MD's National Provider Identifier (NPI) is 1295398899, issued on Apr 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Ahtsham Yousaf Chaudhary, MD located?
The NPPES record lists a practice address at 130 Division St, Derby, CT, 06418. Phone: (203) 732-1330. Providers update this record themselves, so call before visiting.
How can I verify Ahtsham Yousaf Chaudhary, MD's license?
NPPES lists Connecticut license number 70090, 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.
What is Ahtsham Yousaf Chaudhary, MD's MIPS final score?
The 2023 MIPS final score is 93.3 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.