Physician Profile
Based in Buford, GA, Calixto J. Cornavaca Diaz, M.D. is listed in the NPI registry under general practice. Medicare claims data shows Calixto provided 146 services to 82 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month, and advance care planning, first 30 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
578 S ENOTA DR NE STE C
Buford, GA 30519
3615 Rolling Creek Dr
Buford, GA 30519
Within General Practice generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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146 services · 82 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
63 | As often as other peers in GENERAL PRACTICE |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
44 | Less often than most peers in GENERAL PRACTICE |
| Advance care planning, first 30 minutes | Office visit | 99497 |
27 | Less often than most peers in GENERAL PRACTICE |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
12 | Less often than most peers in GENERAL PRACTICE |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Calixto J. Cornavaca Diaz is a general practice in Buford, GA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Calixto J. Cornavaca Diaz is listed at 578 S Enota Dr Ne Ste C, Buford, GA 30519. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (423) 619-8381. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Calixto J. Cornavaca Diaz's National Provider Identifier is 1326381625. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Calixto J. Cornavaca Diaz attended Other, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
Calixto J. Cornavaca Diaz has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Calixto J. Cornavaca Diaz the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Calixto J. Cornavaca Diaz. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.