Dr. Timothy Leroy Marshall, MD
- Part D claims, 2024
- 12,177
- Industry payments
- $542
- Affiliated sites
- 3
- Medical groups
- 2
- State license
- 1
- Practice address
- 3825 Faber Place Drive, North Charleston, SC 29405
- Practice phone
- Call (843) 323-8651
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Labcorp - North Charleston
Clinical Lab - Full Service · North Charleston, South Carolina
Find Dr. Marshall'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 Leroy Marshall is an internist in North Charleston, South Carolina
Dr. Marshall practices at Labcorp - North Charleston in North Charleston, South Carolina.
Dr. Marshall's NPI, 1275645376, was assigned on August 31, 2006. Dr. Marshall graduated from Virginia Commonwealth University, School of Medicine in 1977. Dr. Marshall holds Virginia license 0101029169.
- NPI
- 1275645376NPI Registry (opens in a new tab)
- NPI enumeration date
- August 31, 2006
- NPI status
- Active
- Practice phone
- (843) 323-8651
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Timothy Leroy Marshall practices at Labcorp - North Charleston in North Charleston, South Carolina
Dr. Marshall's primary practice is Labcorp - North Charleston, at 3825 Faber Place Drive, North Charleston, SC 29405. The practice phone is (843) 323-8651.
- Labcorp - North Charleston3825 Faber Place Drive, North Charleston, SC 29405Phone(843) 323-8651
Source: Dmand AI Affiliation Data
Dr. Timothy Leroy Marshall is affiliated with 3 sites of care and 2 medical groups
Dr. Marshall's primary practice is Labcorp - North Charleston in North Charleston, South Carolina. The medical group on file is Neighborhood Health. Dmand AI also links Dr. Marshall to 1 more physician office, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Timothy Leroy Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshall practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Labcorp - North Charleston | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Timothy Leroy Marshall is one of 1,707 internists in South Carolina
Internal medicine is Dr. Marshall's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Marshall is licensed in Virginia.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
Internists near Dr. Marshall
Counts of internists 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 Leroy Marshall's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Marshall's median patient age at 71, with 65% women.
Dr. Marshall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women65%
- Men35%
Source: Dmand AI Patient Panel Data
Dr. Timothy Leroy Marshall wrote 12,177 Medicare Part D claims in 2024
In 2024, Dr. Marshall wrote 12,177 Medicare Part D claims for 993 patients. 92% of them were for generic drugs. CMS names the drug for 11,542 of them, across 137 drugs with 11 or more claims each, at $445,785 in total drug cost. In 2023, CMS named 5,852 claims across 96 drugs.
Dr. Marshall's Part D claims by kind of drug, 2024
- Generic11,178 claims92%
- Brand-name873 claims7%
- Other126 claims1%
Dr. Marshall'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. Marshall's Part D claims, 2024
- Opioids3%409 of 12,177 claims
- Antibiotics3%306 of 12,177 claims
- Antipsychotics, patients 65 and over0%46 of 12,177 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: 5,8522024: 11,54297%
Drugs named by CMS: 137 in 2024, 96 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
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Dr. Timothy Leroy Marshall received $542 in industry payments from 2016 to 2020
CMS Open Payments shows 40 general payments to Dr. Marshall from 11 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $365.
General payments to Dr. Marshall by program year, 2016 to 2020
Companies that paid Dr. Marshall the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Timothy Leroy Marshall graduated from Virginia Commonwealth University, School of Medicine
Dr. Marshall graduated from Virginia Commonwealth University, School of Medicine in 1977.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Timothy Leroy Marshall'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 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. Timothy Leroy Marshall
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 Leroy Marshall's NPI number?
Dr. Timothy Leroy Marshall's NPI number is 1275645376. It was assigned on August 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy Leroy Marshall?
Dr. Timothy Leroy Marshall is an internist in North Charleston, South Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Timothy Leroy Marshall practice?
Dr. Marshall practices at 3825 Faber Place Drive, North Charleston, SC 29405. Dr. Marshall's primary practice is Labcorp - North Charleston in North Charleston, South Carolina. Dmand AI also links Dr. Marshall to 1 physician office, 1 group practice or clinic and 1 medical group.
What is Dr. Timothy Leroy Marshall's office phone number?
The practice phone on file for Dr. Marshall is (843) 323-8651.
What is Dr. Timothy Leroy Marshall's medical license number?
Dr. Marshall holds Virginia license 0101029169.
What medical group is Dr. Timothy Leroy Marshall part of?
Dr. Marshall is linked to Neighborhood Health. Dmand AI links Dr. Marshall to 1 more medical group.
Where did Dr. Timothy Leroy Marshall go to medical school?
Dr. Marshall graduated from Virginia Commonwealth University, School of Medicine in 1977.
What drugs does Dr. Timothy Leroy Marshall prescribe most?
In 2024 Medicare Part D data, Dr. Marshall's most prescribed drugs by claims were Atorvastatin Calcium, Albuterol Sulfate Hfa and Amlodipine Besylate.
Has Dr. Timothy Leroy Marshall received payments from drug or device companies?
CMS Open Payments shows $542 in general payments to Dr. Marshall from 11 companies from 2016 to 2020. The largest total came from Allergan Inc.
How long has Dr. Timothy Leroy Marshall been practicing?
Dr. Marshall graduated from medical school in 1977, 49 years ago.
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