Sahayini Arulrajah Kumar, MD
Internal Medicine Physician · Baltimore, MD
Sahayini Arulrajah Kumar, MD is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1649401738, issued on Aug 6, 2009. Check the license (Maryland P24251, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Sahayini Arulrajah Kumar
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- P24251 MD
Self-reported in NPPES; status is on the state search - Practice location
- 6565 N Charles St, Baltimore, MD 21204
- Phone
- (443) 849-2682
- Enumerated
- Aug 6, 2009
- Record last updated
- Jan 13, 2022
- Fax
- (443) 849-8030
- Medicare enrollment
- Enrolled (PECOS I20120924000114); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 6565 N Charles St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abigail Adams, CRNPPediatric Nurse Practitioner1962886317
- Ashkan Akhavan Malayeri, MDDiagnostic Radiology Physician1689822009
- Raya Armaly, MDOphthalmology Physician1326033093
- David Arnold, M.D.Psychiatry Physician1700852084
- Michael Asike, M.D.Gastroenterology Physician1619014214
- Gregory Bassmann, MDPulmonary Disease Physician1174781611
Verify Sahayini Arulrajah Kumar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license P24251Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,241 Medicare Part D claims for 187 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 57 claims were for opioids.
Most prescribed
- Atorvastatin Calcium142 claims
- Losartan Potassium106 claims
- Amlodipine Besylate93 claims
- Rosuvastatin Calcium88 claims
- Metformin Hcl58 claims
- Pantoprazole Sodium55 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.
Bills Medicare through one group practice
- Greater Baltimore Medical Center IncBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sahayini Arulrajah Kumar among 3,904 internal medicine physician records in Maryland
Sahayini Arulrajah Kumar, MD is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 61% of them.
- NPI issued2009 · 61% of these records are older, 36% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2001 · median 2003 among the 2,445 with a school on file
- Record last updated2022 · 59% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,278 internal medicine physician records list a practice address in Baltimore
They are 1,278 of the 35,183 NPPES records with a practice address in Baltimore, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Baltimore → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Boersma, M.D.Towson, MD 212041235117219
- Jeffrey Briggs, M.D.Baltimore, MD 212041063491371
- Pauline Daley Richards, M.D.Baltimore, MD 212041174504864
- Iris Davis, MDBaltimore, MD 212041588654297
- Vincent Dipietro, M.D.Towson, MD 212041619948791
- Donna Dow, M.D.Towson, MD 212041821096355
- Pochna Kahle, M.D.Towson, MD 212041417949298
- Amit Khosla, M.D.Towson, MD 212041225035165
Common questions
What is Sahayini Arulrajah Kumar, MD's NPI number?
Sahayini Arulrajah Kumar, MD's National Provider Identifier (NPI) is 1649401738, issued on Aug 6, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Sahayini Arulrajah Kumar, MD located?
The NPPES record lists a practice address at 6565 N Charles St, Baltimore, MD, 21204. Phone: (443) 849-2682. Providers update this record themselves, so call before visiting.
How can I verify Sahayini Arulrajah Kumar, MD's license?
NPPES lists Maryland license number P24251, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sahayini Arulrajah Kumar, MD prescribe under Medicare Part D?
In 2024, Sahayini Arulrajah Kumar, MD had 2,241 Medicare Part D claims for 187 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.