Maria Nien-Feng Lee, M.D.
NPI 1023309762ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Houston, TX
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Houston, Texas, trained at Baylor College of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $3,486,107 for 5,846 claims, against $113,531 paid for services in 2024. Novo Nordisk Inc was the largest of 31 companies reporting payments in 2025, $4,103 in all, mostly food and beverage.
Overview
| NPI | 1023309762 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 28, 2011 |
| Last updated in NPPES | Jul 7, 2020 |
| Certified by provider | Jul 7, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | Q7576 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 273 |
|---|---|
| Services billed | 3,559 across 32 procedure codes |
| Paid by Medicare | $113,531 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,846 · 13,132 30-day fills |
|---|---|
| Patients | 597 |
| Total drug cost | $3,486,107 |
| Generic share | 39% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Amer Al-Karadsheh, M.D., P.AHouston, TX · 9 clinicians
Hospital affiliations
- Houston Methodist HospitalHouston, TX
- Houston Methodist West HospitalHouston, TX
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Memorial City HospitalHouston, TX
Industry payments (Open Payments)
- 2025$4,103 · 203 payments from 31 companies
- 2024$3,879 · 176 payments from 33 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $515.72 | 22 |
| Dexcom, Inc. | $338.76 | 6 |
| Ascensia Diabetes Care US Inc. | $336.74 | 9 |
| Cequr Corporation | $269.23 | 15 |
| Corcept Therapeutics | $244.88 | 15 |
What the 2025 payments were for
- Food and Beverage$4,103 · 203 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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