Janaki N. Ramanathan, MD
NPI 1275611873ActiveIndividual· Radiology, Diagnostic Radiology· San Francisco, CA
Radiology, Diagnostic Radiology (MD) in San Francisco, California, trained at University of Texas Medical Branch at Galveston (class of 1998). Medicare paid $842.81 for services to 15 patients in 2024.
Overview
| NPI | 1275611873 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | Sep 23, 2020 |
| Certified by provider | Sep 23, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | A80398 | CA |
| Radiology, Diagnostic Radiology | 2085R0202X | 25MA08403700 | NJ |
| Radiology, Diagnostic Radiology | 2085R0202X | 248102 | NY |
| Radiology, Diagnostic Radiology | 2085R0202X | 25.000109 | OH |
| Radiology, Diagnostic Radiology | 2085R0202X | 25945 | OK |
| Radiology, Diagnostic Radiology | 2085R0202X | 49037 | WA |
| Radiology, Diagnostic Radiology | 2085R0202X | K7874 | TX |
| Radiology, Diagnostic Radiology | 2085R0202X | 24315 | NE |
| Radiology, Diagnostic Radiology | 2085R0202X | 11524 | MT |
| Radiology, Diagnostic Radiology | 2085R0202X | MEDS6218 | AK |
| Radiology, Diagnostic Radiology | 2085R0202X | 38047 | AZ |
| Radiology, Diagnostic Radiology | 2085R0202X | 46252 | CO |
| Radiology, Diagnostic Radiology | 2085R0202X | 12619 | NV |
| Radiology, Diagnostic Radiology | 2085R0202X | 036.119210 | IL |
| Radiology, Diagnostic Radiology | 2085R0202X | 4516 | AK |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Diagnostic Radiology (CA); Practitioner - Diagnostic Radiology (TX); Practitioner - Diagnostic Radiology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 15 |
|---|---|
| Services billed | 15 across 2 procedure codes |
| Paid by Medicare | $842.81 |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- North Star McD LLCFort Worth, TX · 80 clinicians
- North Star MRI LPFrisco, TX · 57 clinicians
- North Star Gv LPGrapevine, TX · 21 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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