Karl Michael Grimmer Jr., MD
NPI 1386842003ActiveIndividual· Anesthesiology· Washington, DC
Anesthesiology (MD) in Washington, District of Columbia, trained at Indiana University School of Medicine (class of 2007). Medicare paid $17,119 for services to 139 patients in 2024. Pacira Pharmaceuticals Incorporated reported $48.92 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1386842003 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 3, 2007 |
| Last updated in NPPES | Jan 18, 2025 |
| Certified by provider | Jan 18, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | MD041865 | DC |
| Anesthesiology | 207L00000X | D72351 | MD |
| Anesthesiology | 207L00000X | 101254955 | VA |
| Anesthesiology | 207L00000X | 01069743A | IN |
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 - Anesthesiology (DC); Practitioner - Anesthesiology (DE); Practitioner - Anesthesiology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 139 |
|---|---|
| Services billed | 152 across 26 procedure codes |
| Paid by Medicare | $17,119 |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Anesthesiology |
Medical groups
- Tidalhealth Specialty Care LLCSalisbury, MD · 398 clinicians
- Anesthesia Company LLCPrince Frederick, MD · 378 clinicians
Hospital affiliations
- Atlantic General HospitalBerlin, MD
- Tidalhealth Peninsula Regional, IncSalisbury, MD
Industry payments (Open Payments)
- 2025$48.92 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pacira Pharmaceuticals Incorporated | $48.92 | 2 |
What the 2025 payments were for
- Food and Beverage$48.92 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 342 anesthesiologists in Washington · All anesthesiologists in District of Columbia