Sonaina Imtiaz, MD
NPI 1376959510ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Fullerton, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Healthcare Partners Affiliates Medical Group, practicing in Fullerton, California. Their prescriptions cost Medicare Part D more than their services did: $773,809 for 1,613 claims, against $7,980 paid for services in 2024. Insulet Corporation was the largest of 4 companies reporting payments in 2025, $553.49 in all, mostly food and beverage.
Overview
| NPI | 1376959510 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 9, 2014 |
| Last updated in NPPES | Feb 23, 2026 |
| Certified by provider | Feb 23, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | C192981 | 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); Practitioner - Endocrinology (IL); Practitioner - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 34 |
|---|---|
| Services billed | 85 across 13 procedure codes |
| Paid by Medicare | $7,980 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,613 · 3,668 30-day fills |
|---|---|
| Patients | 290 |
| Total drug cost | $773,809 |
| Generic share | 37% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Healthcare Partners Affiliates Medical GroupAnaheim, CA · 754 clinicians
Industry payments (Open Payments)
- 2025$553.49 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Insulet Corporation | $232.22 | 3 |
| Abbott Laboratories | $159.13 | 1 |
| Lilly USA, LLC | $114.21 | 1 |
| Dexcom, Inc. | $47.93 | 1 |
What the 2025 payments were for
- Food and Beverage$553.49 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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