Mary Santiago, M.D.
NPI 1528097268ActiveIndividual· Family Medicine· Fulshear, TX
Family Medicine (M.D.) with Heidi Schultz, M.D., P.A., practicing in Fulshear, Texas. Their prescriptions cost Medicare Part D more than their services did: $427,034 for 3,956 claims, against $80,813 paid for services in 2024. Abbvie Inc. was the largest of 15 companies reporting payments in 2025, $1,625 in all, mostly food and beverage. Lists Houston Methodist West Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1528097268 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 3, 2006 |
| Last updated in NPPES | Apr 7, 2026 |
| Certified by provider | Apr 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | N2775 | TX |
| Family Medicine | 207Q00000X | 4301078574 | MI |
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 - Family Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 461 |
|---|---|
| Services billed | 2,146 across 71 procedure codes |
| Paid by Medicare | $80,813 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,956 · 9,330 30-day fills |
|---|---|
| Patients | 564 |
| Total drug cost | $427,034 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Heidi Schultz, M.D., P.A.Sugar Land, TX · 7 clinicians
Hospital affiliations
- Houston Methodist West HospitalHouston, TX
- Memorial Hermann Katy HospitalKaty, TX
- Memorial Hermann Memorial City HospitalHouston, TX
Other facilities
- Accentcare Home Health of Houston - North, LLCHome health agency · Houston, TX
Industry payments (Open Payments)
- 2025$1,625 · 104 payments from 15 companies
- 2024$2,005 · 99 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $483.50 | 32 |
| Pfizer Inc. | $279.64 | 16 |
| Astrazeneca Pharmaceuticals LP | $222.14 | 24 |
| Novo Nordisk Inc | $156.50 | 9 |
| Bayer Healthcare Pharmaceuticals Inc. | $87.87 | 4 |
What the 2025 payments were for
- Food and Beverage$1,616 · 103 payments
- Education$9.65 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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