Dorothy Cohen Serna, M.D.
NPI 1922096957ActiveIndividual· Internal Medicine· Cypress, TX
Internal Medicine (M.D.) in Cypress, Texas, trained at University of South Florida College of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $264,098 for 2,205 claims, against $136,458 paid for services in 2024. Lilly USA, LLC was the largest of 7 companies reporting payments in 2025, $500.40 in all, mostly food and beverage.
Overview
| NPI | 1922096957 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 13, 2005 |
| Last updated in NPPES | Jun 2, 2020 |
| Certified by provider | Jun 2, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | K2195 | TX |
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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 140 |
|---|---|
| Services billed | 2,130 across 46 procedure codes |
| Paid by Medicare | $136,458 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,205 · 5,131 30-day fills |
|---|---|
| Patients | 128 |
| Total drug cost | $264,098 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of South Florida College of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Dorothy Cohen Serna, M.D., P.A.Houston, TX · 2 clinicians
Hospital affiliations
- HCA Houston Healthcare KingwoodKingwood, TX
- HCA Houston Healthcare TomballTomball, TX
- Houston Methodist Willowbrook HospitalHouston, TX
Industry payments (Open Payments)
- 2025$500.40 · 18 payments from 7 companies
- 2024$569.30 · 25 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $140.65 | 6 |
| Novo Nordisk Inc | $123.78 | 1 |
| Astrazeneca Pharmaceuticals LP | $75.27 | 4 |
| Abbott Laboratories | $58.63 | 3 |
| Dexcom, Inc. | $50.86 | 2 |
What the 2025 payments were for
- Food and Beverage$500.40 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 67 internal medicine physicians in Cypress · All internal medicine physicians in Texas