Catherine N. Kumaradhas, MD
Internal Medicine Physician · Derby, CT
Catherine N. Kumaradhas, MD is an internal medicine physician with a practice address in Derby, Connecticut, and NPI 1326357955, issued on Sep 30, 2010. Check the license (Connecticut 052409, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Catherine N. Kumaradhas
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 052409 CT
Self-reported in NPPES; status is on the state search - Practice location
- 130 Division St, Derby, CT 06418
- Phone
- (203) 732-7327
- Enumerated
- Sep 30, 2010
- Record last updated
- Mar 6, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20131122000730); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- 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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- Ahmed AbdullahStudent in an Organized Health Care Education/Training Program1255034690
- Binta Abdullahi, MDStudent in an Organized Health Care Education/Training Program1942051057
- Nicholas Adams, NPNurse Practitioner1093599979
- Divya Aggarwal, MDStudent in an Organized Health Care Education/Training Program1154558401
Verify Catherine N. Kumaradhas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 052409Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average internal medicine physician in 2024
4,309 Medicare Part D claims for 404 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 33 claims were for opioids.
Most prescribed
- Levothyroxine Sodium304 claims
- Pravastatin Sodium207 claims
- Amlodipine Besylate203 claims
- Rosuvastatin Calcium191 claims
- Atorvastatin Calcium189 claims
- Losartan Potassium172 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): 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 2 group practices
- Northeast Medical Group IncNew Haven, CT
- Rehabilitation Associates IncFairfield, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine N. Kumaradhas among 2,623 internal medicine physician records in Connecticut
Catherine N. Kumaradhas, 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 2010, is newer than 62% of them.
- NPI issued2010 · 62% of these records are older, 36% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2005 · median 2004 among the 1,646 with a school on file
- Record last updated2019 · 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 Catherine N. Kumaradhas, MD's NPI number?
Catherine N. Kumaradhas, MD's National Provider Identifier (NPI) is 1326357955, issued on Sep 30, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Catherine N. Kumaradhas, MD located?
The NPPES record lists a practice address at 130 Division St, Derby, CT, 06418. Phone: (203) 732-7327. Providers update this record themselves, so call before visiting.
How can I verify Catherine N. Kumaradhas, MD's license?
NPPES lists Connecticut license number 052409, 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 Catherine N. Kumaradhas, MD prescribe under Medicare Part D?
In 2024, Catherine N. Kumaradhas, MD had 4,309 Medicare Part D claims for 404 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Catherine N. Kumaradhas, 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.