Doctor profile · Federal record
Dr. Calixto Cornavaca Diaz, M.D.
General Practice Physician (CMS: General Practice) · Buford, GA
- NPI 1326381625
- Accepts Medicare
- 20 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
578 S Enota Dr Ne, Ste C
Buford, GA 305194392
(423) 619-8381
fax (470) 290-8474 - Additional location
-
3615 Rolling Creek Dr
Buford, GA 305194392 - Mailing address
-
578 S Enota Dr Ne Ste C
Gainesville, GA 305018947
Credentials & registration
- NPI registered
- April 2013 — 13 yrs on file
- Profile last updated
- March 15, 2019
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 208D00000X — NUCC code
- State license (1)
- Georgia #74951
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1326381625. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
160
Distinct HCPCS
5
Medicare allowed
$12,233
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 64 | 14 | $59 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 35 | 22 | $85 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 24 | 15 | $120 | |
99497 |
Advance care planning, first 30 minutes | 21 | 21 | $79 | |
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 | $60 |
In context: peer comparison
Among 3 peers in Buford General Practice Physician, average services per provider: 50. This provider delivers 3.2× the peer median.Open Payments
Industry payments received
All-time total
$49
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 2 | $30.31 | |
| GlaxoSmithKline, LLC. | 1 | $18.66 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,452
Patients
384
Total drug cost
$15,317
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metformin Hcl | Generic | 222 | 54 | $1,243 |
| Atorvastatin Calcium | Generic | 206 | 57 | $1,900 |
| Gabapentin | Generic | 121 | 32 | $1,627 |
| Amlodipine Besylate | Generic | 101 | 20 | $560 |
| Levothyroxine Sodium | Generic | 101 | 23 | $1,024 |
| Meloxicam | Generic | 97 | 27 | $551 |
| Metoprolol Succinate | Generic | 87 | 19 | $1,446 |
| Tamsulosin Hcl | Generic | 87 | 25 | $1,459 |
| Glipizide ER (Glipizide) | Brand | 77 | 19 | $1,053 |
| Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) | Brand | 77 | 18 | $587 |
Frequently asked questions
What is Dr. Calixto Cornavaca Diaz's medical specialty?
Dr. Calixto Cornavaca Diaz practices General Practice Physician in Buford, GA.
Where does Dr. Calixto Cornavaca Diaz practice?
Dr. Calixto Cornavaca Diaz practices at 578 S Enota Dr Ne, Buford, GA 305194392. Office phone: 4236198381.
What is Dr. Calixto Cornavaca Diaz's NPI?
Dr. Calixto Cornavaca Diaz's National Provider Identifier (NPI) is 1326381625, issued by NPPES.
Does Dr. Calixto Cornavaca Diaz accept Medicare assignment?
Yes. Dr. Calixto Cornavaca Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Calixto Cornavaca Diaz commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services (HCPCS 99490); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.