Dr. Mark Britt Holder, MD
- Medicare services, 2024
- 734
- Medicare patients, 2024
- 260
- Part D claims, 2024
- 500
- Hospital affiliations
- 2
- Industry payments
- $65
- Practice address
- 240 Highland Drive, Many, LA 71449
- Practice phone
- Call (318) 256-1232
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Holder's professional email, personal email and mobile number
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Dr. Mark Britt Holder is a hospitalist in Many, Louisiana
Dr. Holder practices at Sabine Medical Center in Many, Louisiana, part of Allegiance Health Management.
Dr. Holder's NPI, 1861452260, was assigned on March 28, 2006. Dr. Holder graduated from Louisiana State University School of Medicine in 2000. Dr. Holder holds Alabama license 26900.
- NPI
- 1861452260NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658278486
- NPI enumeration date
- March 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (318) 256-1232
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Britt Holder practices at Sabine Medical Center in Many, Louisiana
Dr. Holder's primary practice is Sabine Medical Center, at 240 Highland Drive, Many, LA 71449 in Sabine Parish. The practice phone is (318) 256-1232.
- Sabine Medical Center240 Highland Drive, Many, LA 71449 · Sabine ParishPhone(318) 256-1232
Source: Dmand AI Affiliation Data
Dr. Mark Britt Holder is affiliated with 2 sites of care and 11 medical groups
Dr. Holder's primary practice is Sabine Medical Center in Many, Louisiana, part of Allegiance Health Management. Dr. Holder is also affiliated with Huntsville Hospital. The medical group on file is Sabine Medical Center. Dmand AI also links Dr. Holder to 10 more medical groups, 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. Mark Britt Holder's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Holder practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sabine Medical Center | Available with a free account |
| +1 more site and 10 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Britt Holder is one of 324 hospitalists in Louisiana
Hospitalist is Dr. Holder's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Holder is licensed in Alabama.
Specialties and state licenses
- Hospitalist, AlabamaPrimary
Hospitalists near Dr. Holder
Counts of hospitalists 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. Mark Britt Holder billed Medicare for 734 services in 2024
CMS data shows 734 Medicare services from Dr. Holder across 7 procedure codes in 2024, for 260 Medicare patients. Medicare paid $46,039 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Holder's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6672024: 6404%
- Tests and treatments
- 2023: 952024: 941%
Dr. Holder compared with the Louisiana median for hospitalists, 2024
- Dr. Holder
- Louisiana median
- Medicare services
- 734vs 3442.1 times
- Medicare patients
- 260vs 15667% above
- Part D claims
- 289vs 903.2 times
Medians across 307 hospitalists in Louisiana with Dmand AI profiles that report each measure.
Dr. Holder'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Holder and other hospitalists in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Britt Holder treated 260 Medicare patients in 2024, average age 76
CMS counts 260 Medicare patients who saw Dr. Holder in 2024. The largest group is 75 to 84, with 106 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 33% are also on Medicaid. Their average risk score is 1.86, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Holder's median patient age at 66, with 55% women.
Dr. Holder's Medicare patients by age, 2024
Dr. Holder's Medicare patients by sex, 2024
- Women13853%
- Men12247%
Chronic conditions among Dr. Holder's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis55%
- Ischemic heart disease47%
- Mood disorders42%
- Depression40%
- Diabetes40%
- Heart failure40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Holder's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Britt Holder wrote 500 Medicare Part D claims in 2024
In 2024, Dr. Holder wrote 500 Medicare Part D claims for 215 patients. 92% of them were for generic drugs. CMS names the drug for 289 of them, across 14 drugs with 11 or more claims each, at $2,142 in total drug cost. In 2023, CMS named 266 claims across 13 drugs.
Dr. Holder's Part D claims by kind of drug, 2024
- Generic461 claims92%
- Brand-name39 claims8%
Dr. Holder'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. Holder's Part D claims, 2024
- Opioids6%29 of 500 claims
- Antibiotics33%163 of 500 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: 2662024: 2899%
Drugs named by CMS: 14 in 2024, 13 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
How Dr. Mark Britt Holder takes part in Medicare
Dr. Holder accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of nail 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. Mark Britt Holder received $65 in industry payments from 2016 to 2019
CMS Open Payments shows 5 general payments to Dr. Holder from 1 drug or device company from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $65.
General payments to Dr. Holder by program year, 2016 to 2019
Companies that paid Dr. Holder the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Britt Holder graduated from Louisiana State University School of Medicine
Dr. Holder graduated from Louisiana State University School of Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Mark Britt Holder accepts plans from 11 insurance carriers
Dr. Holder is in network with 11 carriers, including United Healthcare, Alliant Health Plans and Elevance. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- United Healthcare
- Alliant Health Plans
- Elevance
- HCSC
- Humana
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- Blue Cross and Blue Shield of Louisiana
- +3 more carriersWith a free account
Plan types Dr. Holder accepts, by number of carriers
- PPO7
- HMO4
- Medicare3
- POS3
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark Britt Holder'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Mark Britt Holder
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. Mark Britt Holder's NPI number?
Dr. Mark Britt Holder's NPI number is 1861452260. It was assigned on March 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Britt Holder?
Dr. Mark Britt Holder is a hospitalist in Many, Louisiana. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Mark Britt Holder practice?
Dr. Holder practices at 240 Highland Drive, Many, LA 71449. Dr. Holder's primary practice is Sabine Medical Center in Many, Louisiana, part of Allegiance Health Management. Dmand AI also links Dr. Holder to 10 medical groups.
What is Dr. Mark Britt Holder's office phone number?
The practice phone on file for Dr. Holder is (318) 256-1232.
What is Dr. Mark Britt Holder's medical license number?
Dr. Holder holds Alabama license 26900.
Which hospitals is Dr. Mark Britt Holder affiliated with?
Dr. Holder practices at Sabine Medical Center in Many, Louisiana. Dr. Holder is also affiliated with Huntsville Hospital.
What medical group is Dr. Mark Britt Holder part of?
Dr. Holder is linked to Sabine Medical Center. Dmand AI links Dr. Holder to 10 more medical groups.
Does Dr. Mark Britt Holder accept Medicare?
Yes. CMS data shows Dr. Holder billed Medicare for 734 services in 2024, and Dr. Holder accepts Medicare assignment.
How many Medicare patients does Dr. Mark Britt Holder see?
CMS counts 260 Medicare patients who saw Dr. Holder in 2024, with an average age of 76.
What services does Dr. Mark Britt Holder bill to Medicare?
In 2024, Dr. Holder's most billed Medicare services were hospital inpatient care (99231), emergency department visit (99285) and hospital inpatient care (99221).
Show 5 more questionsShow fewer questions
Where did Dr. Mark Britt Holder go to medical school?
Dr. Holder graduated from Louisiana State University School of Medicine in 2000.
What drugs does Dr. Mark Britt Holder prescribe most?
In 2024 Medicare Part D data, Dr. Holder's most prescribed drugs by claims were Levofloxacin, Sulfamethoxazole-Trimethoprim and Prednisone.
Has Dr. Mark Britt Holder received payments from drug or device companies?
CMS Open Payments shows $65 in general payments to Dr. Holder from 1 company from 2016 to 2019. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Mark Britt Holder been practicing?
Dr. Holder graduated from medical school in 2000, 26 years ago.
What insurance does Dr. Mark Britt Holder accept?
Dr. Holder is in network with 11 carriers, including United Healthcare, Alliant Health Plans and Elevance. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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