Christopher James Haas, M.D., PH.D.
NPI 1063875516ActiveIndividual· Internal Medicine· Baltimore, MD
Internal Medicine (M.D., PH.D.) with Medstar Medical Group II LLC, practicing in Baltimore, Maryland. 443 Medicare patients in 2024, $113,431 paid; nearly all of their 563 Part D prescriptions were generic (92%). Dexcom, Inc. reported $25.69 in payments in 2024, mostly food and beverage. Lists Medstar Franklin Square Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1063875516 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | No |
| NPI issued | Apr 1, 2016 |
| Last updated in NPPES | Jan 23, 2020 |
| Certified by provider | Jan 23, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D0087085 | MD |
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 (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 443 |
|---|---|
| Services billed | 1,108 across 11 procedure codes |
| Paid by Medicare | $113,431 |
Part D prescriptions in 2024
| Prescriptions (claims) | 563 · 866 30-day fills |
|---|---|
| Patients | 155 |
| Total drug cost | $27,054 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
Hospital affiliations
- Medstar Franklin Square Medical CenterRosedale, MD
- Medstar Good Samaritan HospitalBaltimore, MD
- Medstar Harbor HospitalBaltimore, MD
- Medstar Union Memorial HospitalBaltimore, MD
Industry payments (Open Payments)
- 2024$25.69 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $25.69 | 1 |
What the 2024 payments were for
- Food and Beverage$25.69 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,555 internal medicine physicians in Baltimore · All internal medicine physicians in Maryland