Quick answers
- Which hospitals does Vivek S. Ramanathan work at?
- Medicare's official clinician data lists Vivek S. Ramanathan at 2 hospitals: Doylestown Hospital and Jefferson Einstein Montgomery Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Vivek S. Ramanathan see patients?
- Medicare's clinician data lists 4 practice locations, including Philadelphia, PA, Allentown, PA and East Norriton, PA. Call before your visit to confirm the address.
- What is Vivek S. Ramanathan's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Vivek S. Ramanathan accept Medicare assignment?
- Yes. Medicare's clinician data says Vivek S. Ramanathan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Vivek S. Ramanathan?
- (337) 991-9276, as listed in official Medicare / NPI Registry data.
- What is Vivek S. Ramanathan's NPI number?
- 1427353630. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Vivek S. Ramanathan works
Medicare's Facility Affiliation Data lists Vivek S. Ramanathan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Doylestown HospitalDoylestown, PA · Acute Care Hospital · CCN 390203
- Jefferson Einstein Montgomery HospitalEast Norriton, PA · Acute Care Hospital · CCN 390329
Practice locations
Addresses where Vivek S. Ramanathan is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Penn BlvdPhiladelphia, PA 19144 (337) 991‑9276
- 526 N Saint Cloud St, Suite 1601Allentown, PA 18104 (337) 991‑9276
- 559 W Germantown Pike, Einstein Medical Center MontgomeryEast Norriton, PA 19403 (484) 622‑1000
- 600 E Cathedral RdPhiladelphia, PA 19128 (337) 991‑9276
Group practices
Medicare enrollment lists Vivek S. Ramanathan as a member of these groups (CMS data updated 2026-10-02).
- Hospitalist Medicine Physicians of Pennsylvania PC102 clinicians in the group
- Curana Health of Pennsylvania PC99 clinicians in the group
- CH Specialty Services PA PC80 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Philadelphia
Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427353630 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians