Quick answers
- Where does Janaki Ramanathan see patients?
- Medicare's clinician data lists 1 practice location in San Francisco, CA. Call before your visit to confirm the address.
- What is Janaki Ramanathan's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Janaki Ramanathan accept Medicare assignment?
- Yes. Medicare's clinician data says Janaki 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 Janaki Ramanathan?
- (415) 378-4797, as listed in official Medicare / NPI Registry data.
- What is Janaki Ramanathan's NPI number?
- 1275611873. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Janaki Ramanathan is enrolled with Medicare (CMS data updated 2026-10-02).
- 685 Laguna Honda BlvdSan Francisco, CA 94127 (415) 378‑4797
Group practices
Medicare enrollment lists Janaki Ramanathan as a member of these groups (CMS data updated 2026-10-02).
- North Star MCD LLC80 clinicians in the group
- North Star Mri LP57 clinicians in the group
- North Star GV LP21 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical Branch At Galveston |
| Graduation year | 1998 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275611873 |
| 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
- 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