Dr. Gregory Thomas Hardin, MD
- Medicare services, 2023
- 141
- Part D claims, 2024
- 36
- Industry payments
- $120
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 8141 S Emerson Ave, Indianapolis, IN 46237-8560
- Practice phone
- Call (317) 888-1051
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Center For Orthopaedic Surgery & Sports Medicine
Multi-specialty group site · Indianapolis, Indiana
Find Dr. Hardin'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 Thomas Hardin is an orthopedic surgeon in Indianapolis, Indiana
Dr. Hardin practices at Center For Orthopaedic Surgery & Sports Medicine in Indianapolis, Indiana.
Dr. Hardin's NPI, 1386641710, was assigned on June 30, 2005. Dr. Hardin graduated from Indiana University School of Medicine in 1986. Dr. Hardin holds Indiana license 01036081A.
- NPI
- 1386641710NPI Registry (opens in a new tab)
- NPI enumeration date
- June 30, 2005
- NPI status
- Active
- Practice phone
- (317) 888-1051
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Thomas Hardin practices at Center for Orthopaedic Surgery & Sports Medicine in Indianapolis, Indiana
Dr. Hardin's primary practice is Center for Orthopaedic Surgery & Sports Medicine, at 8141 S Emerson Ave, Indianapolis, IN 46237-8560. The practice phone is (317) 888-1051.
- Center for Orthopaedic Surgery & Sports Medicine8141 S Emerson Ave, Indianapolis, IN 46237-8560Phone(317) 888-1051
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Thomas Hardin is affiliated with 1 site of care and 1 medical group
Dr. Hardin's primary practice is Center For Orthopaedic Surgery & Sports Medicine in Indianapolis, Indiana. Dmand AI also links Dr. Hardin to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Gregory Thomas Hardin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hardin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Center For Orthopaedic Surgery & Sports Medicine | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Thomas Hardin is one of 429 orthopedic surgeons in Indiana
Orthopaedic surgery is Dr. Hardin's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Hardin is licensed in Indiana.
Specialties and state licenses
- Orthopaedic surgery, IndianaPrimary
Orthopedic surgeons near Dr. Hardin
Counts of orthopedic surgeons 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 Thomas Hardin billed Medicare for 141 services in 2023
CMS data shows 141 Medicare services from Dr. Hardin across 5 procedure codes in 2023. Medicare paid $5,607 for them. Every service was in an office.
Dr. Hardin's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 612023: 593%
- Drugs given in the office
- 2022: 362023: 353%
- Surgery
- 2022: 372023: 355%
- Imaging
- 2022: 132023: 128%
Dr. Hardin compared with the Indiana median for orthopedic surgeons, 2023
- Dr. Hardin
- Indiana median
- Medicare services
- 141vs 1,34289% below
- Part D claims
- 20vs 16688% below
Medians across 423 orthopedic surgeons in Indiana with Dmand AI profiles that report each measure.
Dr. Hardin's most billed Medicare procedure codes, 2023
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hardin and other orthopedic surgeons in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Thomas Hardin's patients have a median age of 60
Across all payers, Dmand AI patient panel data puts Dr. Hardin's median patient age at 60, with 65% women.
Dr. Hardin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women65%
- Men35%
Source: Dmand AI Patient Panel Data
Dr. Gregory Thomas Hardin wrote 36 Medicare Part D claims in 2024
In 2024, Dr. Hardin wrote 36 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 20 of them, across 1 drug with 11 or more claims each, at $80 in total drug cost. In 2021, CMS named 29 claims across 1 drug.
Dr. Hardin's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 292022: 2031%
Drugs named by CMS: 1 in 2022, 1 in 2021.
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
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Dr. Gregory Thomas Hardin received $120 in industry payments from 2016 to 2021
CMS Open Payments shows 8 general payments to Dr. Hardin from 7 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Purdue Pharma L.P. paid the most, $26.
General payments to Dr. Hardin by program year, 2016 to 2021
Companies that paid Dr. Hardin the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Thomas Hardin graduated from Indiana University School of Medicine
Dr. Hardin graduated from Indiana University School of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Thomas Hardin'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| 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) |
| 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 Thomas Hardin
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. Gregory Thomas Hardin's NPI number?
Dr. Gregory Thomas Hardin's NPI number is 1386641710. It was assigned on June 30, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Thomas Hardin?
Dr. Gregory Thomas Hardin is an orthopedic surgeon in Indianapolis, Indiana. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Gregory Thomas Hardin practice?
Dr. Hardin practices at 8141 S Emerson Ave, Indianapolis, IN 46237-8560. Dr. Hardin's primary practice is Center For Orthopaedic Surgery & Sports Medicine in Indianapolis, Indiana. Dmand AI also links Dr. Hardin to 1 medical group.
What is Dr. Gregory Thomas Hardin's office phone number?
The practice phone on file for Dr. Hardin is (317) 888-1051.
What is Dr. Gregory Thomas Hardin's medical license number?
Dr. Hardin holds Indiana license 01036081A.
Does Dr. Gregory Thomas Hardin accept Medicare?
Yes. CMS data shows Dr. Hardin billed Medicare for 141 services in 2023.
What services does Dr. Gregory Thomas Hardin bill to Medicare?
In 2023, Dr. Hardin's most billed Medicare services were office visit, established patient (99213), surgery: bones and joints (20610) and injected or infused drug (J3301).
Where did Dr. Gregory Thomas Hardin go to medical school?
Dr. Hardin graduated from Indiana University School of Medicine in 1986.
What drugs does Dr. Gregory Thomas Hardin prescribe most?
In 2022 Medicare Part D data, Dr. Hardin's most prescribed drugs by claims were Meloxicam.
Has Dr. Gregory Thomas Hardin received payments from drug or device companies?
CMS Open Payments shows $120 in general payments to Dr. Hardin from 7 companies from 2016 to 2021. The largest total came from Purdue Pharma L.P.
How long has Dr. Gregory Thomas Hardin been practicing?
Dr. Hardin graduated from medical school in 1986, 40 years ago.
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