Dr. Mark Gabriel Hausmann, MD
- Medicare services, 2024
- 100
- Medicare patients, 2024
- 85
- Part D claims, 2024
- 102
- Hospital affiliations
- 1
- Industry payments
- $34,076
- Practice address
- 5000 Hennessy Blvd, Baton Rouge, LA 70808
- Practice phone
- Call (225) 765-6565
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Hausmann's professional email, personal email and mobile number
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Dr. Mark Gabriel Hausmann is a general surgeon in Baton Rouge, Louisiana
Dr. Hausmann practices at Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana, part of Franciscan Missionaries of Our Lady.
Dr. Hausmann's NPI, 1992819809, was assigned on August 18, 2006. Dr. Hausmann graduated from Louisiana State University School of Medicine in Shreveport in 1987. Dr. Hausmann holds Louisiana license 019550.
- NPI
- 1992819809NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648376988
- NPI enumeration date
- August 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (225) 765-6565
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Gabriel Hausmann practices at Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana
Dr. Hausmann's primary practice is Our Lady of the Lake Regional Medical Center, at 5000 Hennessy Blvd, Baton Rouge, LA 70808 in E. Baton Rouge Parish. The practice phone is (225) 765-6565.
- Our Lady of the Lake Regional Medical Center5000 Hennessy Blvd, Baton Rouge, LA 70808 · E. Baton Rouge ParishPhone(225) 765-6565
Source: Dmand AI Affiliation Data
Dr. Mark Gabriel Hausmann is affiliated with 2 sites of care and 1 medical group
Dr. Hausmann's primary practice is Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana, part of Franciscan Missionaries of Our Lady. The medical group on file is Our Lady of the Lake Physician Group. Dmand AI also links Dr. Hausmann to 1 more group practice or clinic, 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 Gabriel Hausmann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hausmann practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Our Lady of the Lake Regional Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Franciscan Missionaries of Our Lady and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark Gabriel Hausmann is one of 377 general surgeons in Louisiana
Surgery is Dr. Hausmann's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Hausmann is licensed in Louisiana.
Specialties and state licenses
- Surgery, LouisianaPrimary
General surgeons near Dr. Hausmann
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. Mark Gabriel Hausmann billed Medicare for 100 services in 2024
CMS data shows 100 Medicare services from Dr. Hausmann across 5 procedure codes in 2024, for 85 Medicare patients. Medicare paid $7,130 for them.
Where Dr. Hausmann's Medicare services took place, 2024
- In an office6464%
- In a facility3636%
Dr. Hausmann compared with the Louisiana median for general surgeons, 2024
- Dr. Hausmann
- Louisiana median
- Medicare services
- 100vs 14431% below
- Medicare patients
- 85vs 10922% below
- Part D claims
- 68vs 4745% above
Medians across 364 general surgeons in Louisiana with Dmand AI profiles that report each measure.
Dr. Hausmann'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. Hausmann and other general surgeons in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Gabriel Hausmann treated 85 Medicare patients in 2024, average age 71
CMS counts 85 Medicare patients who saw Dr. Hausmann in 2024. The largest group is 65 to 74, with 44 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.45, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hausmann's median patient age at 54, with 63% women.
Dr. Hausmann's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hausmann's Medicare patients by sex, 2024
- Women5160%
- Men3440%
Chronic conditions among Dr. Hausmann's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis49%
- Anxiety35%
- Diabetes32%
- Mood disorders29%
- Depression27%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hausmann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Gabriel Hausmann wrote 102 Medicare Part D claims in 2024
In 2024, Dr. Hausmann wrote 102 Medicare Part D claims for 30 patients. 96% of them were for generic drugs. CMS names the drug for 68 of them, across 4 drugs with 11 or more claims each, at $1,839 in total drug cost.
Dr. Hausmann's Part D claims by kind of drug, 2024
- Generic98 claims96%
- Brand-name and other4 claims4%
Dr. Hausmann'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. Hausmann's Part D claims, 2024
- Opioids13%13 of 102 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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 Gabriel Hausmann ranks in the 42nd percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Hausmann accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 11 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Hausmann, more than 42% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Hausmann ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 42nd percentile11 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)
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
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. Mark Gabriel Hausmann received $34,076 in industry payments from 2024 to 2025
CMS Open Payments shows 139 general payments to Dr. Hausmann from 29 drug and device companies from 2024 to 2025. Consulting fees make up the largest share, 34% of the total. Intuitive Surgical, Inc. paid the most, $8,760.
General payments to Dr. Hausmann by program year, 2024 to 2025
General payments to Dr. Hausmann by kind, 2024 to 2025
- Consulting fees$11,68434%
- Education$8,30024%
- Food and beverage$7,19421%
- Travel and lodging$6,89920%
Companies that paid Dr. Hausmann the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Gabriel Hausmann graduated from Louisiana State University School of Medicine in Shreveport
Dr. Hausmann graduated from Louisiana State University School of Medicine in Shreveport in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Gabriel Hausmann'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 |
| 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 Gabriel Hausmann
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 Gabriel Hausmann's NPI number?
Dr. Mark Gabriel Hausmann's NPI number is 1992819809. It was assigned on August 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Gabriel Hausmann?
Dr. Mark Gabriel Hausmann is a general surgeon in Baton Rouge, Louisiana. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Mark Gabriel Hausmann practice?
Dr. Hausmann practices at 5000 Hennessy Blvd, Baton Rouge, LA 70808. Dr. Hausmann's primary practice is Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana, part of Franciscan Missionaries of Our Lady. Dmand AI also links Dr. Hausmann to 1 group practice or clinic.
What is Dr. Mark Gabriel Hausmann's office phone number?
The practice phone on file for Dr. Hausmann is (225) 765-6565.
What is Dr. Mark Gabriel Hausmann's medical license number?
Dr. Hausmann holds Louisiana license 019550.
Which hospitals is Dr. Mark Gabriel Hausmann affiliated with?
Dr. Hausmann practices at Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana.
What medical group is Dr. Mark Gabriel Hausmann part of?
Dr. Hausmann is linked to Our Lady of the Lake Physician Group.
Does Dr. Mark Gabriel Hausmann accept Medicare?
Yes. CMS data shows Dr. Hausmann billed Medicare for 100 services in 2024, and Dr. Hausmann accepts Medicare assignment.
How many Medicare patients does Dr. Mark Gabriel Hausmann see?
CMS counts 85 Medicare patients who saw Dr. Hausmann in 2024, with an average age of 71.
What services does Dr. Mark Gabriel Hausmann bill to Medicare?
In 2024, Dr. Hausmann's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99213) and office visit, new patient (99203).
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Where did Dr. Mark Gabriel Hausmann go to medical school?
Dr. Hausmann graduated from Louisiana State University School of Medicine in Shreveport in 1987.
What drugs does Dr. Mark Gabriel Hausmann prescribe most?
In 2024 Medicare Part D data, Dr. Hausmann's most prescribed drugs by claims were Ursodiol, Omeprazole and Tramadol HCl.
Has Dr. Mark Gabriel Hausmann received payments from drug or device companies?
CMS Open Payments shows $34,076 in general payments to Dr. Hausmann from 29 companies from 2024 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Mark Gabriel Hausmann been practicing?
Dr. Hausmann graduated from medical school in 1987, 39 years ago.
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