Joni Yamamoto, M.D.
NPI 1528126679 · Family Medicine Physician · Calhoun, GA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joni Yamamoto, M.D. is a Family Medicine Physician provider in Calhoun, GA (NPI 1528126679).
Provider details
- NPI number
- 1528126679
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 061024 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
847 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 316 | $119 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 130 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 111 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 85 | $85 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 51 | $13 |
| Hemoglobin A1c Level |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 103 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 268 | 69 |
| Atorvastatin Calcium | 265 | 75 |
| Losartan Potassium | 201 | 60 |
| Rosuvastatin Calcium | 188 | 55 |
| Amlodipine Besylate | 169 | 55 |
| Famotidine | 152 | 46 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$685 across 39 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-04
- Last updated
- 2018-12-19
Frequently asked questions
- What is Joni Yamamoto's NPI number?
- Joni Yamamoto's National Provider Identifier (NPI) is 1528126679, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joni Yamamoto's specialty?
- Joni Yamamoto is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joni Yamamoto located?
- Joni Yamamoto's practice location on file with NPPES is 400 Timms Rd Ne, Calhoun, GA 30701-7016.
- What is Joni Yamamoto's phone number?
- The practice phone number listed in the NPPES registry for Joni Yamamoto is (706) 625-0022.
- Does Joni Yamamoto accept Medicare?
- Joni Yamamoto is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joni Yamamoto's NPI active?
- Yes — Joni Yamamoto's NPI (1528126679) is active in the NPPES registry as of the last update on 2018-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.