Mariah Day Chambers
NPI 1093178790ActiveIndividual· Hospitalist· Philadelphia, PA
Hospitalist in Philadelphia, Pennsylvania, trained at Philadelphia College of Osteopathic Medicine (class of 2016). In 2024 Medicare paid $73,825 for 316 patients, and Part D covered 172 of their prescriptions, 85% of them generic. Pfizer Inc. was the largest of 2 companies reporting payments in 2025, $116.92 in all, mostly food and beverage.
Overview
| NPI | 1093178790 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 30, 2016 |
| Last updated in NPPES | Mar 30, 2020 |
| Certified by provider | Mar 30, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | OS019658 | PA |
| Internal Medicine | 207R00000X | OS019658 | PA |
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 (IL); Practitioner - Internal Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 316 |
|---|---|
| Services billed | 879 across 12 procedure codes |
| Paid by Medicare | $73,825 |
Part D prescriptions in 2024
| Prescriptions (claims) | 172 · 187 30-day fills |
|---|---|
| Patients | 78 |
| Total drug cost | $8,730 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Internal Medicine |
Medical group
- Aria Health Physician ServicesPhiladelphia, PA · 450 clinicians
Hospital affiliation
- Jefferson Health- NortheastPhiladelphia, PA
Industry payments (Open Payments)
- 2025$116.92 · 5 payments from 2 companies
- 2024$425.55 · 16 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $71.64 | 4 |
| Kestra Medical Technology Services, Inc. | $45.28 | 1 |
What the 2025 payments were for
- Food and Beverage$116.92 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 271 hospitalists in Philadelphia · All hospitalists in Pennsylvania