Shyamsundar Rajan, MD
NPI 1093730442ActiveIndividual· Internal Medicine, Geriatric Medicine· Silver Spring, MD
Internal Medicine, Geriatric Medicine (MD) with Sun Rise Rehab LLC, practicing in Silver Spring, Maryland. Their prescriptions cost Medicare Part D more than their services did: $601,114 for 5,062 claims, against $73,212 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 5 companies reporting payments in 2025, $149.91 in all, mostly food and beverage.
Overview
| NPI | 1093730442 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 13, 2006 |
| Last updated in NPPES | Jun 17, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | D53367 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 176 |
|---|---|
| Services billed | 998 across 26 procedure codes |
| Paid by Medicare | $73,212 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,062 · 9,465 30-day fills |
|---|---|
| Patients | 191 |
| Total drug cost | $601,114 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1983 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Geriatric Medicine |
| Telehealth | Offers telehealth |
Medical group
- Sun Rise Rehab LLCGreenbelt, MD · 23 clinicians
Other facilities
- Adventist Home Health Services, Inc.Home health agency · Silver Spring, MD
- Holy Cross Home Care and HospiceHome health agency · Silver Spring, MD
Industry payments (Open Payments)
- 2025$149.91 · 7 payments from 5 companies
- 2024$361.09 · 18 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $40.48 | 2 |
| Lilly USA, LLC | $38.00 | 2 |
| Exact Sciences Corporation | $28.40 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $26.63 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $16.40 | 1 |
What the 2025 payments were for
- Food and Beverage$149.91 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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