DR. CALIXTO JOSE CORNAVACA DIAZ (M.D.) – General Practice Physician, NPI 1326381625
General Practice Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
164 GENERAL PRACTICE in GA
Provider Addresses for DR. CALIXTO JOSE CORNAVACA DIAZ (M.D.)
578 S ENOTA DR NE STE C
GAINESVILLE, GA 305018947
Phone: (470) 892-6607
Fax: (470) 290-8474
Type: Mailing
578 S ENOTA DR NE
STE C
BUFORD, GA 305194392
Phone: (423) 619-8381
Fax: (470) 290-8474
Type: Location
3615 Rolling Creek Dr
Buford, GA 305194392
Phone: (423) 619-8381
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $130.
Total Amount is formed as General ($130) + Research ($0) + Ownership ($0) = $130.
Last reported payment date: 2024-06-20 • Largest payer in this snapshot: Novo Nordisk Inc ($90).
Total Amount
$130
General + Research + Ownership
Payments
8
Total payment records
General Amount
$130
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $90 |
| Exact Sciences Corporation | $22 |
| GlaxoSmithKline, LLC. | $19 |
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: 2018-11-20
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 |
|---|---|---|---|---|
| I20181120000668 | I | General 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 |
|---|---|---|---|---|
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 64 | 14 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 35 | 22 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 24 | 15 | $0 |
| 99497 | Advance care planning, first 30 minutes | 21 | 21 | $0 |
| G0513 | Prolonged preventive service(s) (beyond the typical service time of the primary procedure), in the office or other outpatient setting requiring direct patient contact beyond the usual service; first 30 minutes (list separately in addition to code for preve | 16 | 16 | $0 |
Insurance plans in this area (ZIP 30501)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physical Therapist In Private Practice | IL | |
| Pain Management | VA | |
| Internal Medicine | GA | |
| Nurse Practitioner | GA | |
| Family Practice | GA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | GA | |
| Family Practice | GA | |
| Orthopedic Surgery | WV | |
| N E U R O S U R G E R Y | GA | |
| Nurse Practitioner | GA |
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