Thomas Michael Dougherty, M.D.
NPI 1699712232ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Fullerton, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Fullerton, California, trained at University of California, Irvine, California College of Medicine (class of 1973). Their prescriptions cost Medicare Part D more than their services did: $531,053 for 4,939 claims, against $10,290 paid for services in 2024. Amgen Inc. was the largest of 3 companies reporting payments in 2025, $174.15 in all, mostly food and beverage.
Overview
| NPI | 1699712232 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 1, 2006 |
| Last updated in NPPES | Jul 14, 2026 |
| Certified by provider | Jul 14, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | G27977 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 63 |
|---|---|
| Services billed | 178 across 12 procedure codes |
| Paid by Medicare | $10,290 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,939 · 12,380 30-day fills |
|---|---|
| Patients | 394 |
| Total drug cost | $531,053 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of California, Irvine, California College of Medicine |
|---|---|
| Graduation year | 1973 |
| Medicare specialty | Internal Medicine |
Medical group
- Caremore Medical Group IncWhittier, CA · 15 clinicians
Hospital affiliation
- Providence St. Jude Medical CenterFullerton, CA
Industry payments (Open Payments)
- 2025$174.15 · 4 payments from 3 companies
- 2024$76.61 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $94.41 | 1 |
| Exact Sciences Corporation | $58.03 | 2 |
| Lilly USA, LLC | $21.71 | 1 |
What the 2025 payments were for
- Food and Beverage$174.15 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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