Sonal Vasant Phatak, M.D.
NPI 1932291119ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Santa Barbara, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Santa Barbara, California, trained at University of California, Geffen School of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $547,251 for 1,462 claims, against $178,597 paid for services in 2024.
Overview
| NPI | 1932291119 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 28, 2006 |
| Last updated in NPPES | Feb 3, 2026 |
| Certified by provider | Feb 3, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | A90261 | CA |
| Internal Medicine | 207R00000X | A90261 | CA |
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 - Endocrinology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 625 |
|---|---|
| Services billed | 5,527 across 29 procedure codes |
| Paid by Medicare | $178,597 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,462 · 3,557 30-day fills |
|---|---|
| Patients | 320 |
| Total drug cost | $547,251 |
| Generic share | 52% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Regents of the Univ of CaSacramento, CA · 1,584 clinicians
- The Regents of the University of CaliforniaSanta Monica, CA · 1,462 clinicians
- Regents of the University of CaliforniaSacramento, CA · 567 clinicians
Hospital affiliations
- French Hospital Medical CenterSan Luis Obispo, CA
- Goleta Valley Cottage HospitalSanta Barbara, CA
- Marian Regional Medical CenterSanta Maria, CA
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- University of California Davis Medical CenterSacramento, CA
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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