J Community Hosp Intern Med Perspect
Dr. Sahayini Arulrajah Kumar, MD
NPI1649401738PAC ID5092963603
- Medicare services, 2024
- 467
- Medicare patients, 2024
- 158
- Part D claims, 2024
- 2,241
- Publications
- 3
- Hospital affiliations
- 1
- Practice address
- 6701 North Charles Street, Baltimore, MD 21204
- Practice phone
- Call (443) 849-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kumar's professional email, personal email and mobile number
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Dr. Sahayini Arulrajah Kumar is an internist in Towson, Maryland
Dr. Kumar practices at Greater Baltimore Medical Center in Baltimore, Maryland, part of GBMC HealthCare.
Dr. Kumar's NPI, 1649401738, was assigned on August 6, 2009. Dr. Kumar holds Maryland license P24251.
NPI and contact details
- NPI
- 1649401738NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092963603
- NPI enumeration date
- August 6, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (443) 849-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sahayini Arulrajah Kumar practices at Greater Baltimore Medical Center in Baltimore, Maryland
Dr. Kumar's primary practice is Greater Baltimore Medical Center, at 6701 North Charles Street, Baltimore, MD 21204 in Baltimore County. The practice phone is (443) 849-2000.
- Greater Baltimore Medical Center6701 North Charles Street, Baltimore, MD 21204 · Baltimore CountyPhone(443) 849-2000
Source: Dmand AI Affiliation Data
Dr. Sahayini Arulrajah Kumar is affiliated with 5 sites of care and 1 medical group
Dr. Kumar's primary practice is Greater Baltimore Medical Center in Baltimore, Maryland, part of GBMC HealthCare. The medical group on file is Greater Baltimore Medical Center (GBMC). Dmand AI also links Dr. Kumar to 2 more home health agencies, 1 group practice or clinic and 1 hospice, each named with a free account.
Greater Baltimore Medical Center (GBMC)2 home health agenciesNames with a free account1 group practice or clinicName with a free account1 hospiceName with a free account
See all 6 affiliations for Dr. KumarSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sahayini Arulrajah Kumar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kumar practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greater Baltimore Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sahayini Arulrajah Kumar is one of 3,320 internists in Maryland
Internal medicine is Dr. Kumar's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kumar is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
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. Sahayini Arulrajah Kumar billed Medicare for 467 services in 2024
CMS data shows 467 Medicare services from Dr. Kumar across 7 procedure codes in 2024, for 158 Medicare patients. Medicare paid $27,183 for them. Every service was in an office.
Medicare services, 2024467
Medicare patients158
Paid by Medicare$27,183
Procedure codes7
Dr. Kumar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3502024: 31211%
- Other services
- 2023: 782024: 6813%
- Tests and treatments
- 2023: 502024: 512%
- Lab and pathology
- 2023: 422024: 3614%
Dr. Kumar compared with the Maryland median for internists, 2024
- Dr. Kumar
- Maryland median
- Medicare services
- 467vs 65629% below
- Medicare patients
- 158vs 25137% below
- Part D claims
- 1,615vs 3095.2 times
Medians across 3,215 internists in Maryland 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. Sahayini Arulrajah Kumar treated 158 Medicare patients in 2024, average age 73
CMS counts 158 Medicare patients who saw Dr. Kumar in 2024. The largest group is 65 to 74, with 69 patients. 75% of them have high blood pressure, and 67% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.32, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kumar's median patient age at 60, with 68% women.
Medicare patients, 2024158
Average age73
Average risk score1.32
Also on Medicaid17%
Dr. Kumar's Medicare patients by age, 2024
Dr. Kumar's Medicare patients by sex, 2024
- Women11673%
- Men4227%
Chronic conditions among Dr. Kumar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol67%
- Arthritis42%
- Anxiety29%
- Diabetes29%
- Mood disorders27%
- Chronic kidney disease23%
- Depression23%
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 60
Patient panel by sex, all payers
- Women68%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sahayini Arulrajah Kumar wrote 2,241 Medicare Part D claims in 2024
In 2024, Dr. Kumar wrote 2,241 Medicare Part D claims for 187 patients. 83% of them were for generic drugs. CMS names the drug for 1,615 of them, across 48 drugs with 11 or more claims each, at $171,552 in total drug cost. In 2023, CMS named 1,672 claims across 53 drugs.
Part D claims, 20242,241
Drugs named by CMS48
Total drug cost$171,552
Part D patients187
Dr. Kumar's Part D claims by kind of drug, 2024
- Generic1,870 claims83%
- Brand-name345 claims15%
- Other26 claims1%
Dr. Kumar's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Kumar's Part D claims, 2024
- Opioids3%57 of 2,241 claims
- Antibiotics1%32 of 2,241 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,6722024: 1,6153%
Drugs named by CMS: 48 in 2024, 53 in 2023.
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
Dr. Sahayini Arulrajah Kumar offers telehealth to Medicare patients
Dr. Kumar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kumar as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Sahayini Arulrajah Kumar has 3 publications on record
Dmand AI links 3 papers to Dr. Kumar, published from 2017 to 2020. Dr. Kumar has published most often in J Community Hosp Intern Med Perspect. Dr. Kumar's most frequent co-authors are Dongyan Liu, MD, Nida U. Maham and Minu Mary Mathew, MD.
Papers3
Years published2017 to 2020
Dr. Kumar's papers by year, 2017 to 2020
Dr. Kumar's most frequent co-authors
Recent publications by Dr. Kumar
J Community Hosp Intern Med Perspect
J Community Hosp Intern Med Perspect
See who Dr. Kumar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kumar works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Sahayini Arulrajah 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 | Dmand AI Affiliation 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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Sahayini Arulrajah 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. Sahayini Arulrajah Kumar's NPI number?
Dr. Sahayini Arulrajah Kumar's NPI number is 1649401738. It was assigned on August 6, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Sahayini Arulrajah Kumar?
Dr. Sahayini Arulrajah Kumar is an internist in Towson, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sahayini Arulrajah Kumar practice?
Dr. Kumar practices at 6701 North Charles Street, Baltimore, MD 21204. Dr. Kumar's primary practice is Greater Baltimore Medical Center in Baltimore, Maryland, part of GBMC HealthCare. Dmand AI also links Dr. Kumar to 2 home health agencies, 1 group practice or clinic and 1 hospice.
What is Dr. Sahayini Arulrajah Kumar's office phone number?
The practice phone on file for Dr. Kumar is (443) 849-2000.
What is Dr. Sahayini Arulrajah Kumar's medical license number?
Dr. Kumar holds Maryland license P24251.
Which hospitals is Dr. Sahayini Arulrajah Kumar affiliated with?
Dr. Kumar practices at Greater Baltimore Medical Center in Baltimore, Maryland.
What medical group is Dr. Sahayini Arulrajah Kumar part of?
Dr. Kumar is linked to Greater Baltimore Medical Center (GBMC).
Does Dr. Sahayini Arulrajah Kumar accept Medicare?
Yes. CMS data shows Dr. Kumar billed Medicare for 467 services in 2024, and Dr. Kumar accepts Medicare assignment.
Does Dr. Sahayini Arulrajah Kumar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kumar as offering telehealth services.
How many Medicare patients does Dr. Sahayini Arulrajah Kumar see?
CMS counts 158 Medicare patients who saw Dr. Kumar in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Sahayini Arulrajah Kumar bill to Medicare?
In 2024, Dr. Kumar's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
What drugs does Dr. Sahayini Arulrajah Kumar prescribe most?
In 2024 Medicare Part D data, Dr. Kumar's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
How long has Dr. Sahayini Arulrajah Kumar been practicing?
Dr. Kumar graduated from medical school in 2001, 25 years ago.
Does Dr. Sahayini Arulrajah Kumar do research?
Dmand AI links 3 publications to Dr. Kumar, published from 2017 to 2020.
Who does Dr. Sahayini Arulrajah Kumar publish with?
Dr. Kumar's most frequent co-authors are Dongyan Liu, MD (1 shared paper), Nida U. Maham (1 shared paper) and Minu Mary Mathew, MD (1 shared paper).
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