Grace Dammann, M.D.
NPI 1558406736ActiveIndividual· Internal Medicine· Mill Valley, CA
Internal Medicine (M.D.) in Mill Valley, California, trained at University of California, San Francisco School of Medicine (class of 1986). Mostly services rather than prescriptions: Medicare paid $8,499 for 19 patients in 2024, with only 21 Part D claims.
Overview
| NPI | 1558406736 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 21, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G63041 | CA |
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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 19 |
|---|---|
| Services billed | 109 across 7 procedure codes |
| Paid by Medicare | $8,499 |
Part D prescriptions in 2024
| Prescriptions (claims) | 21 · 45 30-day fills |
|---|---|
| Total drug cost | $322.32 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Family Practice |
Medical group
- City and County of San FranciscoSan Francisco, CA · 365 clinicians
Hospital affiliations
- Laguna Honda Hospital & Rehabilitation CenterSan Francisco, CA
- Zuckerberg San Francisco General Hosp & Trauma CtrSan Francisco, 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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