Dr. Gregory Justin Tanner, MD
- Medicare services, 2024
- 1,956
- Medicare patients, 2024
- 909
- Part D claims, 2024
- 2,659
- MIPS score, 2024
- 99
- Hospital affiliations
- 3
- Practice address
- 100 Hospital Dr, Calhoun, GA 30701
- Practice phone
- Call (706) 602-7800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
AdventHealth Medical Group
Calhoun, Georgia
Find Dr. Tanner's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gregory Justin Tanner is a cardiologist in Calhoun, Georgia
Dr. Tanner practices at AdventHealth Medical Group in Calhoun, Georgia.
Dr. Tanner's NPI, 1336587203, was assigned on June 12, 2013. Dr. Tanner graduated from Mercer University School of Medicine in 2014. Dr. Tanner holds Georgia license 87112.
- NPI
- 1336587203NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153642350
- NPI enumeration date
- June 12, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (706) 602-7800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Justin Tanner practices at AdventHealth Medical Group in Calhoun, Georgia
Dr. Tanner's primary practice is AdventHealth Medical Group, at 100 Hospital Dr, Calhoun, GA 30701 in Gordon County. The practice phone is (706) 602-7800.
- AdventHealth Medical Group100 Hospital Dr, Calhoun, GA 30701 · Gordon CountyPhone(706) 602-7800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory Justin Tanner is affiliated with 7 sites of care and 3 medical groups
Dr. Tanner's primary practice is AdventHealth Medical Group in Calhoun, Georgia. Dr. Tanner is also affiliated with AdventHealth Gordon. The medical group on file is AdventHealth Medical Group. Dmand AI also links Dr. Tanner to 2 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Justin Tanner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tanner practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| AdventHealth Medical Group | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Justin Tanner is one of 665 cardiologists in Georgia
Cardiovascular disease is Dr. Tanner's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Tanner is licensed in Georgia.
Specialties and state licenses
- Cardiovascular disease, GeorgiaPrimary
Cardiologists near Dr. Tanner
Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory Justin Tanner billed Medicare for 1,956 services in 2024
CMS data shows 1,956 Medicare services from Dr. Tanner across 26 procedure codes in 2024, for 909 Medicare patients. Medicare paid $106,569 for them.
Dr. Tanner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,3042024: 1,302No change
- Office and hospital visits
- 2023: 6812024: 58914%
- Imaging
- 2023: 532024: 6523%
- Lab and pathology
- 2023: 112024: 0100%
- Surgery
- 2023: 152024: 0100%
Where Dr. Tanner's Medicare services took place, 2024
- In an office52127%
- In a facility1,43573%
Dr. Tanner compared with the Georgia median for cardiologists, 2024
- Dr. Tanner
- Georgia median
- Medicare services
- 1,956vs 1,75412% above
- Medicare patients
- 909vs 73524% above
- Part D claims
- 2,476vs 2,467Close to median
Medians across 637 cardiologists in Georgia with Dmand AI profiles that report each measure.
Dr. Tanner's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Justin Tanner treated 909 Medicare patients in 2024, average age 75
CMS counts 909 Medicare patients who saw Dr. Tanner in 2024. The largest group is 65 to 74, with 370 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Tanner's median patient age at 72, with 52% women.
Dr. Tanner's Medicare patients by age, 2024
Dr. Tanner's Medicare patients by sex, 2024
- Women43047%
- Men47953%
Chronic conditions among Dr. Tanner's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease65%
- Heart failure58%
- Arthritis53%
- Diabetes46%
- Atrial fibrillation44%
- Chronic kidney disease44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tanner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Justin Tanner wrote 2,659 Medicare Part D claims in 2024
In 2024, Dr. Tanner wrote 2,659 Medicare Part D claims for 400 patients. 82% of them were for generic drugs. CMS names the drug for 2,476 of them, across 33 drugs with 11 or more claims each, at $382,602 in total drug cost. In 2023, CMS named 2,072 claims across 30 drugs.
Dr. Tanner's Part D claims by kind of drug, 2024
- Generic2,183 claims82%
- Brand-name476 claims18%
Dr. Tanner's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,0722024: 2,47619%
Drugs named by CMS: 33 in 2024, 30 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gregory Justin Tanner scored 99 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Tanner for performance year 2024, reported as part of a group. Dr. Tanner accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 24 procedures of coronary angioplasty and stenting by Dr. Tanner, more than 57% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Tanner's MIPS scores, performance year 2024
- 99of 100Final score
- 97of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Tanner ranks in Medicare procedure volume
- Coronary angioplasty and stenting
- 57th percentile24 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gregory Justin Tanner received $3,315 in industry payments from 2016 to 2025
CMS Open Payments shows 137 general payments to Dr. Tanner from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $704.
General payments to Dr. Tanner by program year, 2016 to 2025
General payments to Dr. Tanner by kind, 2016 to 2025
- Food and beverage$3,301100%
- Education$140%
Companies that paid Dr. Tanner the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Justin Tanner graduated from Mercer University School of Medicine
Dr. Tanner graduated from Mercer University School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Justin Tanner's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory Justin Tanner
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What is Dr. Gregory Justin Tanner's NPI number?
Dr. Gregory Justin Tanner's NPI number is 1336587203. It was assigned on June 12, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Justin Tanner?
Dr. Gregory Justin Tanner is a cardiologist in Calhoun, Georgia. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Gregory Justin Tanner practice?
Dr. Tanner practices at 100 Hospital Dr, Calhoun, GA 30701. Dr. Tanner's primary practice is AdventHealth Medical Group in Calhoun, Georgia. Dmand AI also links Dr. Tanner to 2 hospitals, 3 group practices and clinics and 2 medical groups.
What is Dr. Gregory Justin Tanner's office phone number?
The practice phone on file for Dr. Tanner is (706) 602-7800.
What is Dr. Gregory Justin Tanner's medical license number?
Dr. Tanner holds Georgia license 87112.
Which hospitals is Dr. Gregory Justin Tanner affiliated with?
Dr. Tanner is affiliated with AdventHealth Gordon. Dmand AI links Dr. Tanner to 2 more hospitals.
What medical group is Dr. Gregory Justin Tanner part of?
Dr. Tanner is linked to AdventHealth Medical Group. Dmand AI links Dr. Tanner to 2 more medical groups.
Does Dr. Gregory Justin Tanner accept Medicare?
Yes. CMS data shows Dr. Tanner billed Medicare for 1,956 services in 2024, and Dr. Tanner accepts Medicare assignment.
What is Dr. Gregory Justin Tanner's MIPS score?
Dr. Tanner's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.
How many Medicare patients does Dr. Gregory Justin Tanner see?
CMS counts 909 Medicare patients who saw Dr. Tanner in 2024, with an average age of 75.
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What services does Dr. Gregory Justin Tanner bill to Medicare?
In 2024, Dr. Tanner's most billed Medicare services were heart test or procedure (93306), office visit, established patient (99214) and heart test or procedure (93000).
Where did Dr. Gregory Justin Tanner go to medical school?
Dr. Tanner graduated from Mercer University School of Medicine in 2014.
What drugs does Dr. Gregory Justin Tanner prescribe most?
In 2024 Medicare Part D data, Dr. Tanner's most prescribed drugs by claims were Atorvastatin Calcium, Eliquis and Metoprolol Tartrate.
Has Dr. Gregory Justin Tanner received payments from drug or device companies?
CMS Open Payments shows $3,315 in general payments to Dr. Tanner from 25 companies from 2016 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Gregory Justin Tanner been practicing?
Dr. Tanner graduated from medical school in 2014, 12 years ago.
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