Dr. Mark Richard Mainous, MD
- Medicare services, 2024
- 299
- Medicare patients, 2024
- 197
- Part D claims, 2024
- 140
- Publications
- 4
- Hospital affiliations
- 1
- Practice address
- 8001 Youree Dr, Shreveport, LA 71115
- Practice phone
- Call (318) 212-2846
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Willis Knighton Pierremont
Shreveport, Louisiana
Find Dr. Mainous' 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. Mark Richard Mainous is a surgical critical care physician in Shreveport, Louisiana
Dr. Mainous practices at Willis Knighton Pierremont in Shreveport, Louisiana.
Dr. Mainous' NPI, 1427088079, was assigned on July 3, 2006. Dr. Mainous graduated from University of Mississippi School of Medicine in 1986. Dr. Mainous holds Louisiana license 07555R.
- NPI
- 1427088079NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557442530
- NPI enumeration date
- July 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (318) 212-2846
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Richard Mainous practices at Willis Knighton Pierremont in Shreveport, Louisiana
Dr. Mainous' primary practice is Willis Knighton Pierremont, at 8001 Youree Dr, Shreveport, LA 71115 in Caddo Parish. The practice phone is (318) 212-2846.
- Willis Knighton Pierremont8001 Youree Dr, Shreveport, LA 71115 · Caddo ParishPhone(318) 212-2846
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark Richard Mainous is affiliated with 3 sites of care
Dr. Mainous' primary practice is Willis Knighton Pierremont in Shreveport, Louisiana. Dr. Mainous is also affiliated with Willis Knighton North. Dmand AI also links Dr. Mainous to 1 more physician office, 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. Mark Richard Mainous' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mainous practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Willis Knighton Pierremont | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Richard Mainous is one of 14 surgical critical care physicians in Louisiana
Surgical critical care is Dr. Mainous' primary specialty in the NPI Registry, under taxonomy code 2086S0102X. Dr. Mainous is licensed in Louisiana.
Specialties and state licenses
- Surgical critical care, LouisianaPrimary
Clinical focus
Dmand AI lists abdominal adhesion surgery, abdominal hernia repair surgery, acute gallbladder or bile duct inflammation, appendectomy, cancerous skin growth removal, colon removal, gallbladder removal and groin hernia surgery among the conditions Dr. Mainous treats.
Surgical critical care physicians near Dr. Mainous
Counts of surgical critical care physicians 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 Richard Mainous billed Medicare for 299 services in 2024
CMS data shows 299 Medicare services from Dr. Mainous across 10 procedure codes in 2024, for 197 Medicare patients. Medicare paid $35,992 for them.
Dr. Mainous' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2442024: 2617%
- Surgery
- 2023: 262024: 3846%
Where Dr. Mainous' Medicare services took place, 2024
- In an office14749%
- In a facility15251%
Dr. Mainous compared with the Louisiana median for surgical critical care physicians, 2024
- Dr. Mainous
- Louisiana median
- Medicare services
- 299vs 1182.5 times
- Medicare patients
- 197vs 982.0 times
Medians across 13 surgical critical care physicians in Louisiana with Dmand AI profiles that report each measure.
Dr. Mainous' 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. Mainous?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mainous and other surgical critical care physicians in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Richard Mainous treated 197 Medicare patients in 2024, average age 75
CMS counts 197 Medicare patients who saw Dr. Mainous in 2024. The largest group is 75 to 84, with 83 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.70, 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. Mainous' median patient age at 62, with 52% women.
Dr. Mainous' Medicare patients by age, 2024
Dr. Mainous' Medicare patients by sex, 2024
- Women9548%
- Men10252%
Chronic conditions among Dr. Mainous' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis66%
- Ischemic heart disease36%
- Chronic kidney disease33%
- Anxiety32%
- Diabetes31%
- Atrial fibrillation28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mainous' 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
- Women52%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Richard Mainous wrote 140 Medicare Part D claims in 2024
In 2024, Dr. Mainous wrote 140 Medicare Part D claims for 72 patients. 100% of them were for generic drugs. CMS names the drug for 112 of them, across 4 drugs with 11 or more claims each, at $438 in total drug cost. In 2023, CMS named 125 claims across 3 drugs.
Dr. Mainous' 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. Mainous' Part D claims, 2024
- Opioids52%73 of 140 claims
- Antibiotics29%40 of 140 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: 1252024: 11210%
Drugs named by CMS: 4 in 2024, 3 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. Mark Richard Mainous ranks in the 98th percentile for hernia repair - groin (open) in Medicare
Dr. Mainous accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 28 procedures of hernia repair - groin (open) by Dr. Mainous, more than 98% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Mainous ranks in Medicare procedure volume
- Hernia repair - groin (open)
- 98th percentile28 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 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. Mark Richard Mainous has 4 publications on record
Dmand AI links 4 papers to Dr. Mainous.
Recent publications by Dr. Mainous
See who Dr. Mainous researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mainous works with, so you can find a warm path to the right surgical critical care physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark Richard Mainous received $138,566 in industry payments from 2016 to 2025
CMS Open Payments shows 293 general payments to Dr. Mainous from 13 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 70% of the total. Heron Therapeutics, Inc. paid the most, $131,557.
General payments to Dr. Mainous by program year, 2016 to 2025
General payments to Dr. Mainous by kind, 2016 to 2025
- Speaker and faculty fees$96,97370%
- Travel and lodging$24,69218%
- Consulting fees$10,5638%
- Food and beverage$6,3385%
Companies that paid Dr. Mainous 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. Mark Richard Mainous has 1 award and honors on record
Dmand AI lists 1 award for Dr. Mainous.
Awards and honors for Dr. Mainous
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Mark Richard Mainous graduated from University of Mississippi School of Medicine
Dr. Mainous graduated from University of Mississippi School of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Mark Richard Mainous accepts plans from 14 insurance carriers
Dr. Mainous is in network with 14 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Humana
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Dr. Mainous accepts, by number of carriers
- PPO11
- Medicare9
- HMO5
- POS4
- EPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark Richard Mainous'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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 Richard Mainous
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 Richard Mainous' NPI number?
Dr. Mark Richard Mainous' NPI number is 1427088079. It was assigned on July 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Richard Mainous?
Dr. Mark Richard Mainous is a surgical critical care physician in Shreveport, Louisiana. The primary specialty in the NPI Registry is Surgical Critical Care Physician (taxonomy code 2086S0102X).
Where does Dr. Mark Richard Mainous practice?
Dr. Mainous practices at 8001 Youree Dr, Shreveport, LA 71115. Dr. Mainous' primary practice is Willis Knighton Pierremont in Shreveport, Louisiana. Dmand AI also links Dr. Mainous to 1 physician office.
What is Dr. Mark Richard Mainous' office phone number?
The practice phone on file for Dr. Mainous is (318) 212-2846.
What is Dr. Mark Richard Mainous' medical license number?
Dr. Mainous holds Louisiana license 07555R.
Which hospitals is Dr. Mark Richard Mainous affiliated with?
Dr. Mainous is affiliated with Willis Knighton North.
Does Dr. Mark Richard Mainous accept Medicare?
Yes. CMS data shows Dr. Mainous billed Medicare for 299 services in 2024, and Dr. Mainous accepts Medicare assignment.
How many Medicare patients does Dr. Mark Richard Mainous see?
CMS counts 197 Medicare patients who saw Dr. Mainous in 2024, with an average age of 75.
What services does Dr. Mark Richard Mainous bill to Medicare?
In 2024, Dr. Mainous' most billed Medicare services were office visit, new patient (99203), hospital inpatient care (99231) and hospital inpatient care (99222).
Where did Dr. Mark Richard Mainous go to medical school?
Dr. Mainous graduated from University of Mississippi School of Medicine in 1986.
Show 5 more questionsShow fewer questions
What drugs does Dr. Mark Richard Mainous prescribe most?
In 2024 Medicare Part D data, Dr. Mainous' most prescribed drugs by claims were Tramadol HCl, Hydrocodone-Acetaminophen and Minocycline HCl.
Has Dr. Mark Richard Mainous received payments from drug or device companies?
CMS Open Payments shows $138,566 in general payments to Dr. Mainous from 13 companies from 2016 to 2025. The largest total came from Heron Therapeutics, Inc.
How long has Dr. Mark Richard Mainous been practicing?
Dr. Mainous graduated from medical school in 1986, 40 years ago.
Does Dr. Mark Richard Mainous do research?
Dmand AI links 4 publications to Dr. Mainous.
What insurance does Dr. Mark Richard Mainous accept?
Dr. Mainous is in network with 14 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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