Christopher James Yamamoto, M.D.
NPI 1164586004ActiveIndividual· Family Medicine· Calhoun, GA
Family Medicine (M.D.) in Calhoun, Georgia, trained at Loma Linda University School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $1,064,904 for 14,253 claims, against $137,385 paid for services in 2024. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $1,423 in all, mostly food and beverage.
Overview
| NPI | 1164586004 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 21, 2006 |
| Last updated in NPPES | Dec 19, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 061023 | GA |
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 (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 428 |
|---|---|
| Services billed | 3,462 across 65 procedure codes |
| Paid by Medicare | $137,385 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14,253 · 32,451 30-day fills |
|---|---|
| Patients | 837 |
| Total drug cost | $1,064,904 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Family Practice |
Medical group
- Adventist Health System Georgia IncAdairsville, GA · 256 clinicians
Hospital affiliations
- Adventhealth GordonCalhoun, GA
- Adventhealth MurrayChatsworth, GA
- Adventhealth RedmondRome, GA
- Atrium Health Floyd Medical CenterRome, GA
- Hamilton Medical CenterDalton, GA
Other facilities
- Adventhealth Home HealthHome health agency · Calhoun, GA
- North Georgia Home Health Agency, An Amedysis CompHome health agency · Ringgold, GA
- Pruitthealth at Home - RomeHome health agency · Rome, GA
Industry payments (Open Payments)
- 2025$1,423 · 95 payments from 17 companies
- 2024$1,155 · 62 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $353.64 | 37 |
| Novo Nordisk Inc | $275.28 | 15 |
| Pfizer Inc. | $263.71 | 14 |
| Glaxosmithkline, LLC. | $99.24 | 6 |
| Corium, LLC | $74.78 | 3 |
What the 2025 payments were for
- Food and Beverage$1,423 · 95 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 33 family medicine physicians in Calhoun · All family medicine physicians in Georgia