Becky Thai Muldoon, MD
NPI 1316272180ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Fullerton, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Providence Medical Foundation, practicing in Fullerton, California. Their prescriptions cost Medicare Part D more than their services did: $1,528,170 for 3,296 claims, against $78,646 paid for services in 2024. Sequel Med Tech, LLC was the largest of 20 companies reporting payments in 2025, $862.98 in all, mostly food and beverage. Lists Providence St. Jude Medical Center as a hospital affiliation.
Overview
| NPI | 1316272180 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 12, 2009 |
| Last updated in NPPES | Nov 8, 2021 |
| Certified by provider | Nov 8, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | C172133 | CA |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | MD16114 | HI |
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 | 355 |
|---|---|
| Services billed | 1,429 across 40 procedure codes |
| Paid by Medicare | $78,646 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,296 · 8,326 30-day fills |
|---|---|
| Patients | 564 |
| Total drug cost | $1,528,170 |
| Generic share | 54% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliation
- Providence St. Jude Medical CenterFullerton, CA
Industry payments (Open Payments)
- 2025$862.98 · 32 payments from 20 companies
- 2024$1,783 · 65 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sequel Med Tech, LLC | $136.40 | 2 |
| Insulet Corporation | $100.20 | 3 |
| Corcept Therapeutics | $72.12 | 2 |
| Sanofi-Aventis U.S. LLC | $67.45 | 3 |
| Novo Nordisk Inc | $55.40 | 2 |
What the 2025 payments were for
- Food and Beverage$862.98 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Fullerton
- 1194707471
- 1932195476
- 1699712232
- 1588650667
- 1942626767
- 1376959510
- 1033593744
- 1154664597
- 1548422991
- 1770579153
- 1912586918
All Internal Medicine, Endocrinology, Diabetes & Metabolism providers in California →