Doctor profile · Federal record

Dr. Shyamsundar Rajan, MD

Geriatric Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Silver Spring, MD

  • NPI 1093730442
  • Accepts Medicare
  • MIPS 76.6 / 100 · 2023
  • 43 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9801 Georgia Ave, Suite 117
Silver Spring, MD 209025276
(301) 754-1555
fax (301) 754-3830
Mailing address
17822 Stoneridge Dr
North Potomac, MD 208781020

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
June 17, 2019
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RG0300X — NUCC code
State license (1)
Maryland #D53367

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093730442. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,332
Distinct HCPCS
10
Medicare allowed
$162,858
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 548 160 $134
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 373 53 $56
99215 Established patient office or other outpatient visit, 40-54 minutes 168 88 $186
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 74 74 $145
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 44 21 $55
99496 Transitional care management services for problem of high complexity 42 32 $310
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 34 32 $141
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $178
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 16 16 $17
93880 Ultrasound of both sides of head and neck blood flow 16 15 $180

In context: peer comparison

Among 5 peers in Silver Spring Geriatric Medicine (Internal Medicine) Physician, average services per provider: 83. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$361
Transactions
18
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 7 $148.86
Merck Sharp & Dohme LLC 3 $63.09
Lilly USA, LLC 2 $41.86
Exact Sciences Corporation 2 $37.33
Boehringer Ingelheim Pharmaceuticals, INC. 2 $32.21
AstraZeneca Pharmaceuticals Lp 1 $19.06
Pfizer INC. 1 $18.68

By nature of payment

Food and Beverage
$361

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,163
Patients
543
Total drug cost
$261,078
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 302 78 $3,248
Losartan Potassium Generic 300 73 $4,994
Atorvastatin Calcium Generic 276 67 $3,982
Fluticasone Propionate Generic 155 45 $3,047
Metoprolol Succinate Generic 151 36 $3,007
Hydralazine Hcl Generic 125 27 $2,566
Jardiance (Empagliflozin) Brand 111 28 $136,544
Metformin Hcl Generic 101 24 $1,040
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 100 25 $91,893
Gabapentin Generic 99 30 $1,192

Frequently asked questions

Auto-generated from federal data
What is Dr. Shyamsundar Rajan's medical specialty?
Dr. Shyamsundar Rajan practices Geriatric Medicine (Internal Medicine) Physician in Silver Spring, MD.
Where does Dr. Shyamsundar Rajan practice?
Dr. Shyamsundar Rajan practices at 9801 Georgia Ave, Silver Spring, MD 209025276. Office phone: 3017541555.
What is Dr. Shyamsundar Rajan's NPI?
Dr. Shyamsundar Rajan's National Provider Identifier (NPI) is 1093730442, issued by NPPES.
Does Dr. Shyamsundar Rajan accept Medicare assignment?
Yes. Dr. Shyamsundar Rajan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shyamsundar Rajan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (HCPCS 99454); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.