CHRISTOPHER JAMES YAMAMOTO (M.D.) – Family Medicine Physician, NPI 1164586004
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,103 FAMILY PRACTICE in GA
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Provider Addresses for CHRISTOPHER JAMES YAMAMOTO (M.D.)
109, Hospital Drive, Calhoun, Gordon County, Georgia, 30701, United States
CALHOUN, GA 307012067
Phone: (706) 625-0333
Fax: (706) 625-1269
Type: Location
PO BOX 12938
C/O CLINIC MANAGEMENT
CALHOUN, GA 30703
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 123 Open Payments records for all available years, with a total value of $2,215.
Total Amount is formed as General ($2,215) + Research ($0) + Ownership ($0) = $2,215.
Last reported payment date: 2024-11-29 • Largest payer in this snapshot: Novo Nordisk Inc ($411).
Total Amount
$2,215
General + Research + Ownership
Payments
123
Total payment records
General Amount
$2,215
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-29
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $411 |
| PFIZER INC. | $371 |
| GlaxoSmithKline, LLC. | $213 |
| ABBVIE INC. | $170 |
| Lilly USA, LLC | $127 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2008-09-18
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080918000007 | I | Family Practice | GA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 763 | 368 | $0 |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 384 | 46 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 310 | 210 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 258 | 258 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 141 | 65 | $0 |
Insurance plans in this area (ZIP 30701)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| FAMILY MEDICINE | GA | 20610 | Aspiration and/or injection of large joint or joint capsule | 27 | 14 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | GA | |
| Urology, Surgical Oncology | GA | |
| Internal Medicine | GA | |
| Family Practice | GA | |
| General Surgery | GA | |
| Nurse Practitioner | GA | |
| Physician Assistant | GA | |
| Nurse Practitioner | GA | |
| Internal Medicine, Hospitalist, Hospitalist | LA | |
| Physician Assistant | GA |
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