$1,194 in research paymentsHypercholesterolemiaHyperlipidemiasPraluent (Alirocumab)
Dr. John Austin Kirby, MD
NPI1275539835PAC ID2264532134
- Medicare services, 2024
- 4,069
- Medicare patients, 2024
- 259
- Part D claims, 2024
- 9,310
- Clinical trials
- 1
- Hospital affiliations
- 3
- Practice address
- 380 W. Broadway Blvd, Jefferson City, TN 37760
- Practice phone
- Call (865) 588-8005
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Summit Medical Group of Jefferson City
Mammography / Breast Imaging Center · Jefferson City, Tennessee
Find Dr. Kirby's professional email, personal email and mobile number
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Dr. John Austin Kirby is an internist in Jefferson City, Tennessee
Dr. Kirby practices at Summit Medical Group of Jefferson City in Jefferson City, Tennessee.
Dr. Kirby's NPI, 1275539835, was assigned on June 28, 2005. Dr. Kirby graduated from Emory University School of Medicine in 1997. Dr. Kirby holds Tennessee license 35319.
NPI and contact details
- NPI
- 1275539835NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264532134
- NPI enumeration date
- June 28, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (865) 588-8005
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Austin Kirby practices at Summit Medical Group of Jefferson City in Jefferson City, Tennessee
Dr. Kirby's primary practice is Summit Medical Group of Jefferson City, at 380 W. Broadway Blvd, Jefferson City, TN 37760. The practice phone is (865) 588-8005.
- Summit Medical Group of Jefferson City380 W. Broadway Blvd, Jefferson City, TN 37760Phone(865) 588-8005
Source: Dmand AI Affiliation Data
Dr. John Austin Kirby is affiliated with 7 sites of care and 2 medical groups
Dr. Kirby's primary practice is Summit Medical Group of Jefferson City in Jefferson City, Tennessee. Dr. Kirby is also affiliated with Jefferson Memorial Hospital. The medical group on file is Summit Medical Group. Dmand AI also links Dr. Kirby to 2 more hospitals, 1 community health center, 1 group practice or clinic, 1 home health agency and 1 medical group, each named with a free account. Dr. Kirby's employer is on file too: a breast imaging center.
Summit Medical Group of Jefferson CityPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Austin Kirby's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kirby practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Summit Medical Group of Jefferson City | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Austin Kirby is one of 2,427 internists in Tennessee
Internal medicine is Dr. Kirby's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kirby is licensed in Tennessee.
Specialties and state licenses
- Internal medicine, TennesseePrimary
Internists near Dr. Kirby
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
2,427internists in Tennessee
7internists in Jefferson City
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Austin Kirby billed Medicare for 4,069 services in 2024
CMS data shows 4,069 Medicare services from Dr. Kirby across 34 procedure codes in 2024, for 259 Medicare patients. Medicare paid $122,441 for them. Every service was in an office.
Medicare services, 20244,069
Medicare patients259
Paid by Medicare$122,441
Procedure codes34
Dr. Kirby's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 2,1502024: 1,9897%
- Office and hospital visits
- 2023: 7802024: 70410%
- Other services
- 2023: 5592024: 69825%
- Surgery
- 2023: 5142024: 4846%
- Tests and treatments
- 2023: 1972024: 17810%
- Imaging
- 2023: 112024: 1645%
Dr. Kirby compared with the Tennessee median for internists, 2024
- Dr. Kirby
- Tennessee median
- Medicare services
- 4,069vs 6716.1 times
- Medicare patients
- 259vs 22217% above
- Part D claims
- 8,555vs 33425.6 times
Medians across 2,462 internists in Tennessee with Dmand AI profiles that report each measure.
Dr. Kirby'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.
Need commercial claims for Dr. Kirby?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kirby and other internists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Austin Kirby treated 259 Medicare patients in 2024, average age 74
CMS counts 259 Medicare patients who saw Dr. Kirby in 2024. The largest group is 65 to 74, with 111 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.30, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kirby's median patient age at 69, with 48% women.
Medicare patients, 2024259
Average age74
Average risk score1.30
Also on Medicaid7%
Dr. Kirby's Medicare patients by age, 2024
Dr. Kirby's Medicare patients by sex, 2024
- Women12347%
- Men13653%
Chronic conditions among Dr. Kirby's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis41%
- Diabetes34%
- Mood disorders28%
- Depression26%
- Chronic kidney disease22%
- Anxiety21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kirby's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Austin Kirby wrote 9,310 Medicare Part D claims in 2024
In 2024, Dr. Kirby wrote 9,310 Medicare Part D claims for 551 patients. 86% of them were for generic drugs. CMS names the drug for 8,555 of them, across 142 drugs with 11 or more claims each, at $678,355 in total drug cost. In 2023, CMS named 7,741 claims across 131 drugs.
Part D claims, 20249,310
Drugs named by CMS142
Total drug cost$678,355
Part D patients551
Dr. Kirby's Part D claims by kind of drug, 2024
- Generic8,022 claims86%
- Brand-name1,178 claims13%
- Other110 claims1%
Dr. Kirby'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.
Drug classes CMS tracks in Dr. Kirby's Part D claims, 2024
- Opioids2%184 of 9,310 claims
- Antibiotics1%60 of 9,310 claims
- Antipsychotics, patients 65 and over0%32 of 9,310 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7,7412024: 8,55511%
Drugs named by CMS: 142 in 2024, 131 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. John Austin Kirby ranks in the 59th percentile for removal of skin lesions in Medicare
Dr. Kirby accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 12 procedures of removal of skin lesions by Dr. Kirby, more than 59% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Kirby ranks in Medicare procedure volume
- Removal of skin lesions
- 59th percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Austin Kirby has worked on 1 clinical trial
Dmand AI links Dr. Kirby to 1 clinical trial. Conditions studied include Hypercholesterolemia and Hyperlipidemias. Open Payments lists research payments to Dr. Kirby that name 2 trials.
Conditions in Dr. Kirby's trials
- Hypercholesterolemia
- Hyperlipidemias
Investigators on the most trials with Dr. Kirby
- Mohammed A. Allaw, MD1 shared trial
- Carlos E. Arrieta Garcia, MD1 shared trial
- David Eric Bolster, MD1 shared trial
Recent clinical trials with Dr. Kirby
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Austin Kirby received $2,893 in industry payments from 2016 to 2025
CMS Open Payments shows 181 general payments to Dr. Kirby from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $530. It also lists 37 research payments totaling $6,286 from 2016 to 2024, naming 2 clinical trials.
General payments to Dr. Kirby by program year, 2016 to 2025
Companies that paid Dr. Kirby 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. John Austin Kirby graduated from Emory University School of Medicine
Dr. Kirby graduated from Emory University School of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Austin Kirby'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. John Austin Kirby
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Austin Kirby's NPI number?
Dr. John Austin Kirby's NPI number is 1275539835. It was assigned on June 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John Austin Kirby?
Dr. John Austin Kirby is an internist in Jefferson City, Tennessee. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John Austin Kirby practice?
Dr. Kirby practices at 380 W. Broadway Blvd, Jefferson City, TN 37760. Dr. Kirby's primary practice is Summit Medical Group of Jefferson City in Jefferson City, Tennessee. Dmand AI also links Dr. Kirby to 2 hospitals, 1 community health center, 1 group practice or clinic, 1 home health agency and 1 medical group.
What is Dr. John Austin Kirby's office phone number?
The practice phone on file for Dr. Kirby is (865) 588-8005.
What is Dr. John Austin Kirby's medical license number?
Dr. Kirby holds Tennessee license 35319.
Which hospitals is Dr. John Austin Kirby affiliated with?
Dr. Kirby is affiliated with Jefferson Memorial Hospital. Dmand AI links Dr. Kirby to 2 more hospitals.
What medical group is Dr. John Austin Kirby part of?
Dr. Kirby is linked to Summit Medical Group. Dmand AI links Dr. Kirby to 1 more medical group.
Does Dr. John Austin Kirby accept Medicare?
Yes. CMS data shows Dr. Kirby billed Medicare for 4,069 services in 2024, and Dr. Kirby accepts Medicare assignment.
How many Medicare patients does Dr. John Austin Kirby see?
CMS counts 259 Medicare patients who saw Dr. Kirby in 2024, with an average age of 74.
What services does Dr. John Austin Kirby bill to Medicare?
In 2024, Dr. Kirby's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and lab and pathology test (80053).
Show 5 more questionsShow fewer questions
Where did Dr. John Austin Kirby go to medical school?
Dr. Kirby graduated from Emory University School of Medicine in 1997.
What drugs does Dr. John Austin Kirby prescribe most?
In 2024 Medicare Part D data, Dr. Kirby's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Amlodipine Besylate.
Has Dr. John Austin Kirby received payments from drug or device companies?
CMS Open Payments shows $2,893 in general payments to Dr. Kirby from 36 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. John Austin Kirby been practicing?
Dr. Kirby graduated from medical school in 1997, 29 years ago.
Does Dr. John Austin Kirby do research?
Dr. Kirby has worked on 1 clinical trial.
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