Dr. Kanthimathi Jegathesan, MD
- Medicare services, 2023
- 21
- Part D claims, 2024
- 20
- Hospital affiliations
- 1
- Industry payments
- $49
- State license
- 1
- Practice address
- 130 Division St, Derby, CT 06418
- Practice phone
- Call (203) 732-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Kanthimathi Jegathesan is an internist in Derby, Connecticut
Dr. Jegathesan practices at Griffin Hospital in Derby, Connecticut, part of Griffin Hospital.
Dr. Jegathesan's NPI, 1023112034, was assigned on September 11, 2006. Dr. Jegathesan holds Connecticut license 026217.
- NPI
- 1023112034NPI Registry (opens in a new tab)
- NPI enumeration date
- September 11, 2006
- NPI status
- Active
- Practice phone
- (203) 732-7500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 81
- Medical school graduation
- 1971
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Kanthimathi Jegathesan practices at 2 locations in Derby, Connecticut
Dr. Jegathesan's primary practice is Griffin Hospital, at 130 Division St, Derby, CT 06418 in New Haven County. The practice phone is (203) 732-7500. Dr. Jegathesan also practices at Griffin Hospital, 144 Division St, Derby, CT 06418.
- Griffin HospitalPrimary130 Division St, Derby, CT 06418 · New Haven CountyPhone(203) 732-7500
- Griffin Hospital144 Division St, Derby, CT 06418 · Naugatuck Vly CountyPhone(203) 732-7360
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Kanthimathi Jegathesan is affiliated with 1 site of care
Dr. Jegathesan's primary practice is Griffin Hospital in Derby, Connecticut, part of Griffin Hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kanthimathi Jegathesan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jegathesan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Griffin Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Griffin Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Kanthimathi Jegathesan is one of 2,189 internists in Connecticut
Internal medicine is Dr. Jegathesan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Jegathesan is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Jegathesan
Counts of internists 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. Kanthimathi Jegathesan billed Medicare for 21 services in 2023
CMS data shows 21 Medicare services from Dr. Jegathesan across 1 procedure code in 2023, all of them office visits. Medicare paid $1,316 for them. Every service was in an office.
Dr. Jegathesan's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 802023: 2174%
- Lab and pathology
- 2022: 342023: 0100%
- Tests and treatments
- 2022: 182023: 0100%
- Other services
- 2022: 602023: 0100%
Dr. Jegathesan compared with the Connecticut median for internists, 2023
- Dr. Jegathesan
- Connecticut median
- Medicare services
- 21vs 39095% below
- Part D claims
- 500vs 34346% above
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Jegathesan's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Jegathesan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Jegathesan and other internists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kanthimathi Jegathesan's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. Jegathesan's median patient age at 76, with 54% women.
Dr. Jegathesan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women54%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Kanthimathi Jegathesan wrote 20 Medicare Part D claims in 2024
In 2024, Dr. Jegathesan wrote 20 Medicare Part D claims. 95% of them were for generic drugs. They cover 17 drugs, with $7,130 in total drug cost. In 2022, CMS named 1,295 claims across 40 drugs.
Dr. Jegathesan's Part D claims by kind of drug, 2024
- Generic19 claims95%
- Brand-name and other1 claims5%
Dr. Jegathesan's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 1,2952023: 50061%
Drugs named by CMS: 17 in 2023, 40 in 2022.
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
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Dr. Kanthimathi Jegathesan received $49 in industry payments in 2024
CMS Open Payments shows 2 general payments to Dr. Jegathesan from 2 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $26.
Companies that paid Dr. Jegathesan the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Kanthimathi Jegathesan'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Kanthimathi Jegathesan
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. Kanthimathi Jegathesan's NPI number?
Dr. Kanthimathi Jegathesan's NPI number is 1023112034. It was assigned on September 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Kanthimathi Jegathesan?
Dr. Kanthimathi Jegathesan is an internist in Derby, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Kanthimathi Jegathesan practice?
Dr. Jegathesan practices at 130 Division St, Derby, CT 06418. Dr. Jegathesan also practices at 144 Division St, Derby, CT 06418. Dr. Jegathesan's primary practice is Griffin Hospital in Derby, Connecticut, part of Griffin Hospital.
What is Dr. Kanthimathi Jegathesan's office phone number?
The practice phone on file for Dr. Jegathesan is (203) 732-7500.
What is Dr. Kanthimathi Jegathesan's medical license number?
Dr. Jegathesan holds Connecticut license 026217.
Which hospitals is Dr. Kanthimathi Jegathesan affiliated with?
Dr. Jegathesan practices at Griffin Hospital in Derby, Connecticut.
Does Dr. Kanthimathi Jegathesan accept Medicare?
Yes. CMS data shows Dr. Jegathesan billed Medicare for 21 services in 2023.
What services does Dr. Kanthimathi Jegathesan bill to Medicare?
In 2023, Dr. Jegathesan's most billed Medicare services were office visit, established patient (99214).
What drugs does Dr. Kanthimathi Jegathesan prescribe most?
In 2023 Medicare Part D data, Dr. Jegathesan's most prescribed drugs by claims were Atorvastatin Calcium, Simvastatin and Lisinopril.
Has Dr. Kanthimathi Jegathesan received payments from drug or device companies?
CMS Open Payments shows $49 in general payments to Dr. Jegathesan from 2 companies from 2024 to 2024. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Kanthimathi Jegathesan been practicing?
Dr. Jegathesan graduated from medical school in 1971, 55 years ago.
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