Christopher James Yamamoto, M.D.
Family Medicine Physician · Calhoun, GA
Christopher James Yamamoto, M.D. is a family medicine physician with a practice address in Calhoun, Georgia, and NPI 1164586004, issued on Dec 21, 2006. Check the license (Georgia 061023, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Christopher James Yamamoto
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 061023 GA
Self-reported in NPPES; status is on the state search - Practice location
- 109 Hospital Dr, Calhoun, GA 30701
- Phone
- (706) 625-0333
- Enumerated
- Dec 21, 2006
- Record last updated
- Dec 19, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (706) 625-1269
- Medicaid ID
- 401168898C GA
- Medicare enrollment
- Enrolled (PECOS I20080918000007); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,951 in Georgia → Look up another NPI →
Also registered at 109 Hospital Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charlotte Brooks, FNP-BCFamily Nurse Practitioner1841821246
- Victoria Chung, MDFamily Medicine Physician1922628452
- Rhonda Gilbert, NP-CFamily Nurse Practitioner1245767128
- Mandrea Kearney, FNP-CFamily Nurse Practitioner1669016507
- Tiffany Kelley, FNP-CFamily Nurse Practitioner1063073625
- Harvey Leblanc, M.D.Family Medicine Physician1285604801
Verify Christopher James Yamamoto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 061023Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average family medicine physician in 2024
14,253 Medicare Part D claims for 837 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 274 claims were for opioids.
Most prescribed
- Atorvastatin Calcium927 claims
- Amlodipine Besylate654 claims
- Lisinopril539 claims
- Levothyroxine Sodium537 claims
- Omeprazole413 claims
- Gabapentin340 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 83.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,154.99
62 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Adventist Health System Georgia IncCalhoun, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher James Yamamoto among 3,951 family medicine physician records in Georgia
Christopher James Yamamoto, M.D. is one of 3,951 family medicine physician records with a practice address in Georgia. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 57% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2001 · median 2005 among the 2,542 with a school on file
- Record last updated2018 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 family medicine physician records list a practice address in Calhoun
They are 30 of the 522 NPPES records with a practice address in Calhoun, and 3,951 family medicine physician records in Georgia.
All 3,951 in Georgia → Every provider in Calhoun → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- William Asbury, M.D.Calhoun, GA 307011760499487
- Pablo Balboa-Marciack, MDCalhoun, GA 307011255357067
- Joseph Bishop, M.D.Calhoun, GA 307011922113414
- Ralph Bowers, MDCalhoun, GA 307011700820198
- Phillip Gray, M.D.Calhoun, GA 307011093786386
- William Hamilton, MDCalhoun, GA 307011891892477
- Lyle Helm, M.D.Calhoun, GA 307011447204599
- Harvey Leblanc, M.D.Calhoun, GA 307011285604801
Common questions
What is Christopher James Yamamoto, M.D.'s NPI number?
Christopher James Yamamoto, M.D.'s National Provider Identifier (NPI) is 1164586004, issued on Dec 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher James Yamamoto, M.D. located?
The NPPES record lists a practice address at 109 Hospital Dr, Calhoun, GA, 30701. Phone: (706) 625-0333. Providers update this record themselves, so call before visiting.
How can I verify Christopher James Yamamoto, M.D.'s license?
NPPES lists Georgia license number 061023, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christopher James Yamamoto, M.D. prescribe under Medicare Part D?
In 2024, Christopher James Yamamoto, M.D. had 14,253 Medicare Part D claims for 837 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Christopher James Yamamoto, M.D.'s MIPS final score?
The 2023 MIPS final score is 83.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.