Maria Fleseriu, MD
NPI 1700983574ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Portland, OR
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with University Professional Services, practicing in Portland, Oregon. Their prescriptions cost Medicare Part D more than their services did: $1,482,761 for 209 claims, against $8,668 paid for services in 2024. Novo Nordisk Health Care Ag was the largest of 5 companies reporting payments in 2025, $71,103 in all, mostly consulting fees. Lists Ohsu Hospital and Clinics as a hospital affiliation.
Overview
| NPI | 1700983574 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 20, 2006 |
| Last updated in NPPES | Jul 10, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | MD26487 | OR |
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 - Endocrinology (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 63 |
|---|---|
| Services billed | 141 across 7 procedure codes |
| Paid by Medicare | $8,668 |
Part D prescriptions in 2024
| Prescriptions (claims) | 209 · 341 30-day fills |
|---|---|
| Patients | 51 |
| Total drug cost | $1,482,761 |
| Generic share | 35% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- University Professional ServicesBeaverton, OR · 1,724 clinicians
Hospital affiliation
- Ohsu Hospital and ClinicsPortland, OR
Industry payments (Open Payments)
- 2025$71,103 · 27 payments from 5 companies
- 2024$108,300 · 45 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Health Care Ag | $26,563 | 6 |
| Recordati_rare_diseases_inc. | $25,985 | 8 |
| Xeris Pharmaceuticals, Inc. | $10,256 | 3 |
| Alexion Pharmaceuticals, Inc. | $6,438 | 9 |
| Novo Nordisk Inc | $1,860 | 1 |
What the 2025 payments were for
- Consulting Fee$38,679 · 12 payments
- Honoraria$19,688 · 2 payments
- Travel and Lodging$12,115 · 9 payments
- Food and Beverage$621.73 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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