Shyamsundar Rajan, MD
Geriatric Medicine (Internal Medicine) Physician · Silver Spring, MD
Shyamsundar Rajan, MD is a geriatric medicine (internal medicine) physician with a practice address in Silver Spring, Maryland, and NPI 1093730442, issued on Jul 13, 2006. Check the license (Maryland D53367, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Shyamsundar Rajan
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- D53367 MD
Self-reported in NPPES; status is on the state search - Practice location
- 9801 Georgia Ave, Silver Spring, MD 20902
- Phone
- (301) 754-1555
- Enumerated
- Jul 13, 2006
- Record last updated
- Jun 17, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (301) 754-3830
- Medicare enrollment
- Enrolled (PECOS I20060203000042); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 139 in Maryland → Look up another NPI →
Also registered at 9801 Georgia Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Thomas Anthony, M.D.Interventional Cardiology Physician1588779862
- Anuradha Arun, M.D.Internal Medicine Physician1003997479
- Nene Barry, CRNPPrimary Care Nurse Practitioner1154835254
- Sunitha Bhogavilli, M.D.Internal Medicine Physician1114953452
- Clara Chan, M.D.Hematology & Oncology Physician1952338592
Verify Shyamsundar Rajan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D53367Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
5,062 Medicare Part D claims for 191 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Amlodipine Besylate341 claims
- Atorvastatin Calcium335 claims
- Losartan Potassium310 claims
- Metoprolol Succinate148 claims
- Mirtazapine144 claims
- Metformin Hcl133 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): 81.6 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).
Industry payments in 2024: $361.09
18 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 1,004 providers of this specialty with any payment received $1,720.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Shyamsundar Rajan among 139 geriatric medicine (internal medicine) physician records in Maryland
Shyamsundar Rajan, MD is one of 139 geriatric medicine (internal medicine) physician records with a practice address in Maryland. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 38% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated1983 · median 1997 among the 66 with a school on file
- Record last updated2019 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Maryland
There are 139 geriatric medicine (internal medicine) physician records in Maryland.
All 139 in Maryland → Every provider in Silver Spring → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Daniel Feirtag, M.D.Silver Spring, MD 209041659401131
- Anna Izquierdo-Porrera, M.D PHDSilver Spring, MD 209041033281910
- Loveen Puthumana, M.D.Silver Spring, MD 209041235175043
- Michael Westerman, M.D.Silver Spring, MD 209041013929181
- Jeanne Asher, M.D.Kensington, MD 208951588626139
- Nurul Chowdhury, M.D.Kensington, MD 208951093738635
- Barry Rosenbaum, MDKensington, MD 208951427049436
- Mitra Hashemi, MDSilver Spring, MD 209101225354905
Common questions
What is Shyamsundar Rajan, MD's NPI number?
Shyamsundar Rajan, MD's National Provider Identifier (NPI) is 1093730442, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shyamsundar Rajan, MD located?
The NPPES record lists a practice address at 9801 Georgia Ave, Silver Spring, MD, 20902. Phone: (301) 754-1555. Providers update this record themselves, so call before visiting.
How can I verify Shyamsundar Rajan, MD's license?
NPPES lists Maryland license number D53367, 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 Shyamsundar Rajan, MD prescribe under Medicare Part D?
In 2024, Shyamsundar Rajan, MD had 5,062 Medicare Part D claims for 191 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Shyamsundar Rajan, MD's MIPS final score?
The 2023 MIPS final score is 81.6 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.