Dr. Jayanthi Kumar, MD
- Medicare services, 2024
- 612
- Medicare patients, 2024
- 221
- Part D claims, 2024
- 50
- Hospital affiliations
- 1
- Industry payments
- $643
- Practice address
- 55 North Ave, Mendon, MA 01756
- Practice phone
- Call (508) 334-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Umass Memorial Medical Center
Mendon, Massachusetts
Find Dr. Kumar's professional email, personal email and mobile number
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Dr. Jayanthi Kumar is an internist in Mendon, Massachusetts
Dr. Kumar practices at Umass Memorial Medical Center in Mendon, Massachusetts.
Dr. Kumar's NPI, 1528041423, was assigned on November 23, 2005. Dr. Kumar holds Massachusetts license 208474.
- NPI
- 1528041423NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385622570
- NPI enumeration date
- November 23, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 334-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jayanthi Kumar practices at Umass Memorial Medical Center in Mendon, Massachusetts
Dr. Kumar's primary practice is Umass Memorial Medical Center, at 55 North Ave, Mendon, MA 01756 in Worcester County. The practice phone is (508) 334-1000.
- Umass Memorial Medical Center55 North Ave, Mendon, MA 01756 · Worcester CountyPhone(508) 334-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jayanthi Kumar is affiliated with 3 sites of care and 1 medical group
Dr. Kumar's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dr. Kumar is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Dr. Kumar to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jayanthi Kumar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kumar practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Umass Memorial Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jayanthi Kumar is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Kumar's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kumar is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Kumar
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. Jayanthi Kumar billed Medicare for 612 services in 2024
CMS data shows 612 Medicare services from Dr. Kumar across 3 procedure codes in 2024, for 221 Medicare patients. Medicare paid $57,287 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kumar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5752024: 6126%
Dr. Kumar compared with the Massachusetts median for internists, 2024
- Dr. Kumar
- Massachusetts median
- Medicare services
- 612vs 43142% above
- Medicare patients
- 221vs 19414% above
- Part D claims
- 1,187vs 4023.0 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Kumar's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jayanthi Kumar treated 221 Medicare patients in 2024, average age 74
CMS counts 221 Medicare patients who saw Dr. Kumar in 2024. The largest group is 75 to 84, with 68 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 43% are also on Medicaid. Their average risk score is 2.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Kumar's median patient age at 70, with 47% women.
Dr. Kumar's Medicare patients by age, 2024
Dr. Kumar's Medicare patients by sex, 2024
- Women11853%
- Men10347%
Chronic conditions among Dr. Kumar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease54%
- Mood disorders54%
- Arthritis52%
- Anxiety50%
- Ischemic heart disease50%
- Depression49%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kumar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jayanthi Kumar wrote 50 Medicare Part D claims in 2024
In 2024, Dr. Kumar wrote 50 Medicare Part D claims for 27 patients. 80% of them were for generic drugs. They cover 35 drugs, with $45,511 in total drug cost. In 2021, CMS named 6,775 claims across 127 drugs.
Dr. Kumar's Part D claims by kind of drug, 2024
- Generic40 claims80%
- Brand-name and other10 claims20%
Dr. Kumar's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 6,7752022: 1,18782%
Drugs named by CMS: 35 in 2022, 127 in 2021.
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
How Dr. Jayanthi Kumar takes part in Medicare
Dr. Kumar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jayanthi Kumar received $643 in industry payments from 2018 to 2025
CMS Open Payments shows 25 general payments to Dr. Kumar from 7 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Amneal Pharmaceuticals LLC paid the most, $374.
General payments to Dr. Kumar by program year, 2018 to 2025
Companies that paid Dr. Kumar the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jayanthi Kumar'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Jayanthi Kumar
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. Jayanthi Kumar's NPI number?
Dr. Jayanthi Kumar's NPI number is 1528041423. It was assigned on November 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jayanthi Kumar?
Dr. Jayanthi Kumar is an internist in Mendon, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jayanthi Kumar practice?
Dr. Kumar practices at 55 North Ave, Mendon, MA 01756. Dr. Kumar's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dmand AI also links Dr. Kumar to 1 group practice or clinic.
What is Dr. Jayanthi Kumar's office phone number?
The practice phone on file for Dr. Kumar is (508) 334-1000.
What is Dr. Jayanthi Kumar's medical license number?
Dr. Kumar holds Massachusetts license 208474.
Which hospitals is Dr. Jayanthi Kumar affiliated with?
Dr. Kumar is affiliated with UMass Memorial Medical Center - University Campus.
What medical group is Dr. Jayanthi Kumar part of?
Dr. Kumar is linked to UMass Memorial Medical Group.
Does Dr. Jayanthi Kumar accept Medicare?
Yes. CMS data shows Dr. Kumar billed Medicare for 612 services in 2024, and Dr. Kumar accepts Medicare assignment.
How many Medicare patients does Dr. Jayanthi Kumar see?
CMS counts 221 Medicare patients who saw Dr. Kumar in 2024, with an average age of 74.
What services does Dr. Jayanthi Kumar bill to Medicare?
In 2024, Dr. Kumar's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99223).
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What drugs does Dr. Jayanthi Kumar prescribe most?
In 2022 Medicare Part D data, Dr. Kumar's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Omeprazole.
Has Dr. Jayanthi Kumar received payments from drug or device companies?
CMS Open Payments shows $643 in general payments to Dr. Kumar from 7 companies from 2018 to 2025. The largest total came from Amneal Pharmaceuticals LLC.
How long has Dr. Jayanthi Kumar been practicing?
Dr. Kumar graduated from medical school in 1993, 33 years ago.
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