Michael Ginn Griesinger, M.D.
NPI 1336556604ActiveIndividual· Emergency Medicine· San Diego, CA
Emergency Medicine (M.D.) with Team Physicians of Northern California Medical Group Inc and 2 other groups, practicing in San Diego, California. In 2024 Medicare paid $9,521 for 75 patients, and Part D covered 256 of their prescriptions, 89% of them generic. Lists Grossmont Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1336556604 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 17, 2014 |
| Last updated in NPPES | Nov 22, 2021 |
| Certified by provider | Feb 10, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A155029 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 75 |
|---|---|
| Services billed | 97 across 16 procedure codes |
| Paid by Medicare | $9,521 |
Part D prescriptions in 2024
| Prescriptions (claims) | 256 · 266 30-day fills |
|---|---|
| Patients | 186 |
| Total drug cost | $8,271 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical groups
- Team Physicians of Northern California Medical Group IncSan Ramon, CA · 85 clinicians
- Palomar Emergency Physicians, IncPoway, CA · 71 clinicians
- Wound Docs APCLong Beach, CA · 21 clinicians
Hospital affiliations
- Grossmont HospitalLa Mesa, CA
- Kaiser Foundation Hospital - San DiegoSan Diego, CA
- Palomar Health Downtown CampusEscondido, CA
- Palomar Medical Center PowayPoway, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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