Dr. Terence W. Hassler, MD
- Medicare services, 2022
- 1,032
- Part D claims, 2024
- 12
- Industry payments
- $3,799
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 700 Medical Park Dr, Hartsville, SC 29550-4765
- Practice phone
- Call (843) 383-3742
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hartsville Orthopaedics & Sports Medicine
Surgical practice · Hartsville, South Carolina
Find Dr. Hassler'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. Terence W. Hassler is an orthopedic surgeon in Hartsville, South Carolina
Dr. Hassler practices at Hartsville Orthopaedics & Sports Medicine in Hartsville, South Carolina.
Dr. Hassler's NPI, 1730365214, was assigned on January 15, 2008. Dr. Hassler graduated from Georgetown University School of Medicine in 1982. Dr. Hassler holds South Carolina license 16595.
- NPI
- 1730365214NPI Registry (opens in a new tab)
- NPI enumeration date
- January 15, 2008
- NPI status
- Active
- Practice phone
- (843) 383-3742
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Terence W. Hassler practices at 2 locations in Hartsville, South Carolina
Dr. Hassler's primary practice is Hartsville Orthopaedics & Sports Medicine, at 700 Medical Park Dr, Hartsville, SC 29550-4765. The practice phone is (843) 383-3742. The NPI Registry lists Dr. Hassler's practice address as 1304 W Bobo Newsom Hwy, Hartsville, SC 29550.
- Hartsville Orthopaedics & Sports MedicinePrimary700 Medical Park Dr, Hartsville, SC 29550-4765Phone(843) 383-3742
- NPI Registry address1304 W Bobo Newsom Hwy, Hartsville, SC 29550 · Darlington CountyPhone(843) 383-3742
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Terence W. Hassler is affiliated with 1 site of care and 1 medical group
Dr. Hassler's primary practice is Hartsville Orthopaedics & Sports Medicine in Hartsville, South Carolina. Dmand AI also links Dr. Hassler 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. Terence W. Hassler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hassler practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hartsville Orthopaedics & 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. Terence W. Hassler is one of 306 orthopedic surgeons in South Carolina
Orthopaedic surgery is Dr. Hassler's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Hassler is licensed in South Carolina.
Specialties and state licenses
- Orthopaedic surgery, South CarolinaPrimary
Orthopedic surgeons near Dr. Hassler
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. Terence W. Hassler billed Medicare for 1,032 services in 2022
CMS data shows 1,032 Medicare services from Dr. Hassler across 11 procedure codes in 2022. Medicare paid $35,261 for them.
Dr. Hassler's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 5102022: 64025%
- Drugs given in the office
- 2021: 1232022: 273122%
- Surgery
- 2021: 812022: 7112%
- Tests and treatments
- 2021: 02022: 29
- Imaging
- 2021: 1632022: 1988%
Where Dr. Hassler's Medicare services took place, 2022
- In an office63762%
- In a facility39538%
Dr. Hassler compared with the South Carolina median for orthopedic surgeons, 2022
- Dr. Hassler
- South Carolina median
- Medicare services
- 1,032vs 2,42257% below
- Part D claims
- 139vs 17420% below
Medians across 291 orthopedic surgeons in South Carolina with Dmand AI profiles that report each measure.
Dr. Hassler's most billed Medicare procedure codes, 2022
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. Hassler?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hassler and other orthopedic surgeons in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Terence W. Hassler's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Hassler's median patient age at 62, with 54% women.
Dr. Hassler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women54%
- Men46%
Source: Dmand AI Patient Panel Data
Dr. Terence W. Hassler wrote 12 Medicare Part D claims in 2024
In 2024, Dr. Hassler wrote 12 Medicare Part D claims. 100% of them were for generic drugs. They cover 5 drugs, with $5,774 in total drug cost. In 2021, CMS named 255 claims across 7 drugs.
Dr. Hassler'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: 2552022: 13945%
Drugs named by CMS: 5 in 2022, 7 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. Terence W. Hassler received $3,799 in industry payments from 2016 to 2023
CMS Open Payments shows 41 general payments to Dr. Hassler from 21 drug and device companies from 2016 to 2023. Travel and lodging make up the largest share, 59% of the total. Acumed LLC paid the most, $3,110.
General payments to Dr. Hassler by program year, 2016 to 2023
General payments to Dr. Hassler by kind, 2016 to 2023
- Travel and lodging$2,25959%
- Food and beverage$1,54041%
Companies that paid Dr. Hassler the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Terence W. Hassler graduated from Georgetown University School of Medicine
Dr. Hassler graduated from Georgetown University School of Medicine in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Terence W. Hassler'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| 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. Terence W. Hassler
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. Terence W. Hassler's NPI number?
Dr. Terence W. Hassler's NPI number is 1730365214. It was assigned on January 15, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Terence W. Hassler?
Dr. Terence W. Hassler is an orthopedic surgeon in Hartsville, South Carolina. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Terence W. Hassler practice?
Dr. Hassler practices at 700 Medical Park Dr, Hartsville, SC 29550-4765. Dr. Hassler also practices at 1304 W Bobo Newsom Hwy, Hartsville, SC 29550. Dr. Hassler's primary practice is Hartsville Orthopaedics & Sports Medicine in Hartsville, South Carolina. Dmand AI also links Dr. Hassler to 1 medical group.
What is Dr. Terence W. Hassler's office phone number?
The practice phone on file for Dr. Hassler is (843) 383-3742.
What is Dr. Terence W. Hassler's medical license number?
Dr. Hassler holds South Carolina license 16595.
Does Dr. Terence W. Hassler accept Medicare?
Yes. CMS data shows Dr. Hassler billed Medicare for 1,032 services in 2022.
What services does Dr. Terence W. Hassler bill to Medicare?
In 2022, Dr. Hassler's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99212) and injected or infused drug (J0702).
Where did Dr. Terence W. Hassler go to medical school?
Dr. Hassler graduated from Georgetown University School of Medicine in 1982.
What drugs does Dr. Terence W. Hassler prescribe most?
In 2022 Medicare Part D data, Dr. Hassler's most prescribed drugs by claims were Celecoxib, Nabumetone and Hydrocodone-Acetaminophen.
Has Dr. Terence W. Hassler received payments from drug or device companies?
CMS Open Payments shows $3,799 in general payments to Dr. Hassler from 21 companies from 2016 to 2023. The largest total came from Acumed LLC.
How long has Dr. Terence W. Hassler been practicing?
Dr. Hassler graduated from medical school in 1982, 44 years ago.
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