Dr. Daryl S. Marx, MD
- Medicare services, 2024
- 186
- Medicare patients, 2024
- 136
- Part D claims, 2024
- 112
- Hospital affiliations
- 1
- Industry payments
- $215,355
- 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. Marx'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. Daryl S. Marx is a general surgeon in Baton Rouge, Louisiana
Dr. Marx practices at Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana, part of Franciscan Missionaries of Our Lady.
Dr. Marx's NPI, 1063462695, was assigned on May 12, 2006. Dr. Marx graduated from Louisiana State University School of Medicine in New Orleans in 1998. Dr. Marx holds Louisiana license MD024323.
- NPI
- 1063462695NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133111420
- NPI enumeration date
- May 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (225) 765-6565
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daryl S. Marx practices at Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana
Dr. Marx'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. Daryl S. Marx is affiliated with 2 sites of care and 1 medical group
Dr. Marx'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. Marx 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. Daryl S. Marx's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marx 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. Daryl S. Marx is one of 377 general surgeons in Louisiana
Surgery is Dr. Marx's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Marx is licensed in Louisiana.
Specialties and state licenses
- Surgery, LouisianaPrimary
General surgeons near Dr. Marx
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. Daryl S. Marx billed Medicare for 186 services in 2024
CMS data shows 186 Medicare services from Dr. Marx across 6 procedure codes in 2024, for 136 Medicare patients. Medicare paid $13,896 for them.
Dr. Marx's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1132024: 18665%
- Surgery
- 2023: 232024: 0100%
Where Dr. Marx's Medicare services took place, 2024
- In an office10959%
- In a facility7741%
Dr. Marx compared with the Louisiana median for general surgeons, 2024
- Dr. Marx
- Louisiana median
- Medicare services
- 186vs 14429% above
- Medicare patients
- 136vs 10925% above
- Part D claims
- 70vs 4749% above
Medians across 364 general surgeons in Louisiana with Dmand AI profiles that report each measure.
Dr. Marx'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. Marx and other general surgeons in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Daryl S. Marx treated 136 Medicare patients in 2024, average age 72
CMS counts 136 Medicare patients who saw Dr. Marx in 2024. The largest group is 65 to 74, with 75 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 2.03, 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. Marx's median patient age at 54, with 64% women.
Dr. Marx's Medicare patients by age, 2024
Dr. Marx's Medicare patients by sex, 2024
- Women6850%
- Men6850%
Chronic conditions among Dr. Marx's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Ischemic heart disease37%
- Diabetes36%
- Anxiety32%
- Mood disorders32%
- Depression29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marx'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
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daryl S. Marx wrote 112 Medicare Part D claims in 2024
In 2024, Dr. Marx wrote 112 Medicare Part D claims for 76 patients. 94% of them were for generic drugs. CMS names the drug for 70 of them, across 2 drugs with 11 or more claims each, at $444 in total drug cost. In 2023, CMS named 46 claims across 1 drug.
Dr. Marx's Part D claims by kind of drug, 2024
- Generic105 claims94%
- Brand-name and other7 claims6%
Dr. Marx'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. Marx's Part D claims, 2024
- Opioids49%55 of 112 claims
- Antibiotics13%14 of 112 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: 462024: 7052%
Drugs named by CMS: 2 in 2024, 1 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. Daryl S. Marx offers telehealth to Medicare patients
Dr. Marx accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Marx as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Hernia repair (minimally invasive): 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)
Upper gastrointestinal (GI) endoscopy for acid reflux: 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. Daryl S. Marx received $215,355 in industry payments from 2016 to 2025
CMS Open Payments shows 412 general payments to Dr. Marx from 45 drug and device companies from 2016 to 2025. Education make up the largest share, 54% of the total. Intuitive Surgical, Inc. paid the most, $204,380.
General payments to Dr. Marx by program year, 2016 to 2025
General payments to Dr. Marx by kind, 2016 to 2025
- Education$116,59054%
- Speaker and faculty fees$47,00022%
- Consulting fees$19,1009%
- Travel and lodging$16,2758%
- Other$16,3778%
Companies that paid Dr. Marx 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. Daryl S. Marx graduated from Louisiana State University School of Medicine in New Orleans
Dr. Marx graduated from Louisiana State University School of Medicine in New Orleans in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Daryl S. Marx'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. Daryl S. Marx
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. Daryl S. Marx's NPI number?
Dr. Daryl S. Marx's NPI number is 1063462695. It was assigned on May 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Daryl S. Marx?
Dr. Daryl S. Marx is a general surgeon in Baton Rouge, Louisiana. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Daryl S. Marx practice?
Dr. Marx practices at 5000 Hennessy Blvd, Baton Rouge, LA 70808. Dr. Marx'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. Marx to 1 group practice or clinic.
What is Dr. Daryl S. Marx's office phone number?
The practice phone on file for Dr. Marx is (225) 765-6565.
What is Dr. Daryl S. Marx's medical license number?
Dr. Marx holds Louisiana license MD024323.
Which hospitals is Dr. Daryl S. Marx affiliated with?
Dr. Marx practices at Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana.
What medical group is Dr. Daryl S. Marx part of?
Dr. Marx is linked to Our Lady of the Lake Physician Group.
Does Dr. Daryl S. Marx accept Medicare?
Yes. CMS data shows Dr. Marx billed Medicare for 186 services in 2024, and Dr. Marx accepts Medicare assignment.
Does Dr. Daryl S. Marx offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Marx as offering telehealth services.
How many Medicare patients does Dr. Daryl S. Marx see?
CMS counts 136 Medicare patients who saw Dr. Marx in 2024, with an average age of 72.
Show 5 more questionsShow fewer questions
What services does Dr. Daryl S. Marx bill to Medicare?
In 2024, Dr. Marx's most billed Medicare services were hospital inpatient care (99232), office visit, new patient (99203) and office visit, established patient (99213).
Where did Dr. Daryl S. Marx go to medical school?
Dr. Marx graduated from Louisiana State University School of Medicine in New Orleans in 1998.
What drugs does Dr. Daryl S. Marx prescribe most?
In 2024 Medicare Part D data, Dr. Marx's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Ondansetron ODT.
Has Dr. Daryl S. Marx received payments from drug or device companies?
CMS Open Payments shows $215,355 in general payments to Dr. Marx from 45 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Daryl S. Marx been practicing?
Dr. Marx graduated from medical school in 1998, 28 years ago.
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