Dr. Timothy Lee Dersch, MD
- Medicare services, 2024
- 158
- Medicare patients, 2024
- 145
- Part D claims, 2024
- 116
- Hospital affiliations
- 2
- Industry payments
- $7,565
- Practice address
- 340 Medical Pkwy, Greer, SC 29650
- Practice phone
- Call (864) 334-4900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Greer Memorial Hospital
Greer, South Carolina
Find Dr. Dersch'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. Timothy Lee Dersch is a general surgeon in Greer, South Carolina
Dr. Dersch practices at Greer Memorial Hospital in Greer, South Carolina.
Dr. Dersch's NPI, 1366415523, was assigned on February 8, 2006. Dr. Dersch graduated from Indiana University School of Medicine in 1991. Dr. Dersch holds South Carolina license 31261.
- NPI
- 1366415523NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880580893
- NPI enumeration date
- February 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (864) 334-4900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Timothy Lee Dersch practices at Greer Memorial Hospital in Greer, South Carolina
Dr. Dersch's primary practice is Greer Memorial Hospital, at 340 Medical Pkwy, Greer, SC 29650 in Greenville County. The practice phone is (864) 334-4900.
- Greer Memorial Hospital340 Medical Pkwy, Greer, SC 29650 · Greenville CountyPhone(864) 334-4900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Timothy Lee Dersch is affiliated with 4 sites of care and 1 medical group
Dr. Dersch's primary practice is Greer Memorial Hospital in Greer, South Carolina. Dr. Dersch is also affiliated with Prisma Health Greenville Memorial Hospital. The medical group on file is Prisma Health Medical Group. Dmand AI also links Dr. Dersch to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Timothy Lee Dersch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dersch practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greer Memorial Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Timothy Lee Dersch is one of 506 general surgeons in South Carolina
Surgery is Dr. Dersch's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Dersch is licensed in South Carolina.
Specialties and state licenses
- Surgery, South CarolinaPrimary
General surgeons near Dr. Dersch
Counts of general 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. Timothy Lee Dersch billed Medicare for 158 services in 2024
CMS data shows 158 Medicare services from Dr. Dersch across 7 procedure codes in 2024, for 145 Medicare patients. Medicare paid $11,497 for them.
Dr. Dersch's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1422024: 15811%
Where Dr. Dersch's Medicare services took place, 2024
- In an office9258%
- In a facility6642%
Dr. Dersch compared with the South Carolina median for general surgeons, 2024
- Dr. Dersch
- South Carolina median
- Medicare services
- 158vs 26540% below
- Medicare patients
- 145vs 17819% below
- Part D claims
- 82vs 5452% above
Medians across 500 general surgeons in South Carolina with Dmand AI profiles that report each measure.
Dr. Dersch'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. Dersch?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dersch and other general surgeons in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy Lee Dersch treated 145 Medicare patients in 2024, average age 73
CMS counts 145 Medicare patients who saw Dr. Dersch in 2024. The largest group is 65 to 74, with 70 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.34, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dersch's median patient age at 57, with 52% women.
Dr. Dersch's Medicare patients by age, 2024
Dr. Dersch's Medicare patients by sex, 2024
- Women6444%
- Men8156%
Chronic conditions among Dr. Dersch's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Ischemic heart disease37%
- Diabetes33%
- Anxiety31%
- Chronic kidney disease29%
- Atrial fibrillation28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dersch's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
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. Timothy Lee Dersch wrote 116 Medicare Part D claims in 2024
In 2024, Dr. Dersch wrote 116 Medicare Part D claims for 74 patients. 93% of them were for generic drugs. CMS names the drug for 82 of them, across 3 drugs with 11 or more claims each, at $1,750 in total drug cost. In 2023, CMS named 56 claims across 2 drugs.
Dr. Dersch's Part D claims by kind of drug, 2024
- Generic108 claims93%
- Brand-name and other8 claims7%
Dr. Dersch'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. Dersch's Part D claims, 2024
- Opioids40%46 of 116 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: 562024: 8246%
Drugs named by CMS: 3 in 2024, 2 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. Timothy Lee Dersch ranks in the 83rd percentile for hernia repair (minimally invasive) in Medicare
Dr. Dersch accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 16 procedures of hernia repair (minimally invasive) by Dr. Dersch, more than 83% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Dersch ranks in Medicare procedure volume
- Colonoscopy
- 54th percentile30 procedures
- Hernia repair (minimally invasive)
- 83rd percentile16 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 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. Timothy Lee Dersch received $7,565 in industry payments from 2016 to 2025
CMS Open Payments shows 24 general payments to Dr. Dersch from 7 drug and device companies from 2016 to 2025. Education make up the largest share, 73% of the total. Intuitive Surgical, Inc. paid the most, $7,356.
General payments to Dr. Dersch by program year, 2016 to 2025
General payments to Dr. Dersch by kind, 2016 to 2025
- Education$5,50073%
- Travel and lodging$1,33018%
- Food and beverage$72110%
- Gifts$140%
Companies that paid Dr. Dersch 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. Timothy Lee Dersch graduated from Indiana University School of Medicine
Dr. Dersch graduated from Indiana University School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Timothy Lee Dersch'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 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) |
| 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. Timothy Lee Dersch
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. Timothy Lee Dersch's NPI number?
Dr. Timothy Lee Dersch's NPI number is 1366415523. It was assigned on February 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy Lee Dersch?
Dr. Timothy Lee Dersch is a general surgeon in Greer, South Carolina. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Timothy Lee Dersch practice?
Dr. Dersch practices at 340 Medical Pkwy, Greer, SC 29650. Dr. Dersch's primary practice is Greer Memorial Hospital in Greer, South Carolina. Dmand AI also links Dr. Dersch to 1 hospital and 1 group practice or clinic.
What is Dr. Timothy Lee Dersch's office phone number?
The practice phone on file for Dr. Dersch is (864) 334-4900.
What is Dr. Timothy Lee Dersch's medical license number?
Dr. Dersch holds South Carolina license 31261.
Which hospitals is Dr. Timothy Lee Dersch affiliated with?
Dr. Dersch is affiliated with Prisma Health Greenville Memorial Hospital. Dmand AI links Dr. Dersch to 1 more hospital.
What medical group is Dr. Timothy Lee Dersch part of?
Dr. Dersch is linked to Prisma Health Medical Group.
Does Dr. Timothy Lee Dersch accept Medicare?
Yes. CMS data shows Dr. Dersch billed Medicare for 158 services in 2024, and Dr. Dersch accepts Medicare assignment.
How many Medicare patients does Dr. Timothy Lee Dersch see?
CMS counts 145 Medicare patients who saw Dr. Dersch in 2024, with an average age of 73.
What services does Dr. Timothy Lee Dersch bill to Medicare?
In 2024, Dr. Dersch's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and hospital inpatient care (99223).
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Where did Dr. Timothy Lee Dersch go to medical school?
Dr. Dersch graduated from Indiana University School of Medicine in 1991.
What drugs does Dr. Timothy Lee Dersch prescribe most?
In 2024 Medicare Part D data, Dr. Dersch's most prescribed drugs by claims were Oxycodone HCl, Sod Sulf-Potass Sulf-Mag Sulf and Ondansetron ODT.
Has Dr. Timothy Lee Dersch received payments from drug or device companies?
CMS Open Payments shows $7,565 in general payments to Dr. Dersch from 7 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Timothy Lee Dersch been practicing?
Dr. Dersch graduated from medical school in 1991, 35 years ago.
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