Maria C. Demario, DO
NPI 1891792768ActiveIndividual· Family Medicine· Newtown Square, PA
Family Medicine (DO) in Newtown Square, Pennsylvania, trained at Philadelphia College of Osteopathic Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $466,559 for 5,716 claims, against $86,689 paid for services in 2024. Pfizer Inc. was the largest of 2 companies reporting payments in 2025, $35.43 in all, mostly food and beverage.
Overview
| NPI | 1891792768 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jul 7, 2005 |
| Last updated in NPPES | Feb 19, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | OS007668L | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 361 |
|---|---|
| Services billed | 2,742 across 38 procedure codes |
| Paid by Medicare | $86,689 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,716 · 13,705 30-day fills |
|---|---|
| Patients | 526 |
| Total drug cost | $466,559 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Pentahealth, LLCDowningtown, PA · 67 clinicians
Hospital affiliations
- Bryn Mawr HospitalBryn Mawr, PA
- Chester County HospitalWest Chester, PA
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- Main Line Hospital LankenauWynnewood, PA
- Riddle Memorial HospitalMedia, PA
Other facilities
- Bayada Home Health Care, Inc.Home health agency · Newtown Square, PA
- Full Range Home HealthHome health agency · Exton, PA
- Main Line Health Home Care & Hospice - Home HealthHome health agency · Radnor, PA
Industry payments (Open Payments)
- 2025$35.43 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $20.96 | 1 |
| Exact Sciences Corporation | $14.47 | 1 |
What the 2025 payments were for
- Food and Beverage$35.43 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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