Dr. Douglas William Marx Sr., MD
- Medicare services, 2023
- 813
- Part D claims, 2024
- 71
- Industry payments
- $433
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 160 North Highway 201, Mountain Home, AR 72653
- Practice phone
- Call (870) 424-2020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Outpatient Surgery Center - Mountain Home
Surgery Center - Medicare-Certified · Mountain Home, Arkansas
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. Douglas William Marx Sr. is an ophthalmologist in Mountain Home, Arkansas
Dr. Marx practices at Outpatient Surgery Center - Mountain Home in Mountain Home, Arkansas.
Dr. Marx's NPI, 1437155686, was assigned on June 22, 2005. Dr. Marx graduated from Louisiana State University School of Medicine in New Orleans in 1980. Dr. Marx holds Arkansas license R3778.
- NPI
- 1437155686NPI Registry (opens in a new tab)
- NPI enumeration date
- June 22, 2005
- NPI status
- Active
- Practice phone
- (870) 424-2020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Douglas William Marx Sr. practices at Outpatient Surgery Center - Mountain Home in Mountain Home, Arkansas
Dr. Marx's primary practice is Outpatient Surgery Center - Mountain Home, at 160 North Highway 201, Mountain Home, AR 72653. The practice phone is (870) 424-2020.
- Outpatient Surgery Center - Mountain Home160 North Highway 201, Mountain Home, AR 72653Phone(870) 424-2020
Source: Dmand AI Affiliation Data
Dr. Douglas William Marx Sr. is affiliated with 1 site of care
Dr. Marx's primary practice is Outpatient Surgery Center - Mountain Home in Mountain Home, Arkansas.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Douglas William Marx Sr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marx practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Outpatient Surgery Center - Mountain Home | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Douglas William Marx Sr. is one of 118 ophthalmologists in Arkansas
Ophthalmology is Dr. Marx's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Marx is licensed in Arkansas.
Specialties and state licenses
- Ophthalmology, ArkansasPrimary
Ophthalmologists near Dr. Marx
Counts of ophthalmologists 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. Douglas William Marx Sr. billed Medicare for 813 services in 2023
CMS data shows 813 Medicare services from Dr. Marx across 13 procedure codes in 2023. Medicare paid $47,812 for them.
Dr. Marx's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Tests and treatments
- 2022: 1,4442023: 61258%
- Office and hospital visits
- 2022: 1932023: 14823%
- Surgery
- 2022: 1402023: 5362%
Where Dr. Marx's Medicare services took place, 2023
- In an office79097%
- In a facility233%
Dr. Marx compared with the Arkansas median for ophthalmologists, 2023
- Dr. Marx
- Arkansas median
- Medicare services
- 813vs 2,06661% below
- Part D claims
- 44vs 64693% below
Medians across 126 ophthalmologists in Arkansas with Dmand AI profiles that report each measure.
Dr. Marx's most billed Medicare procedure codes, 2023
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 ophthalmologists in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Douglas William Marx Sr.'s patients have a median age of 78
Across all payers, Dmand AI patient panel data puts Dr. Marx's median patient age at 78, with 49% women.
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 78
Patient panel by sex, all payers
- Women49%
- Men51%
Source: Dmand AI Patient Panel Data
Dr. Douglas William Marx Sr. wrote 71 Medicare Part D claims in 2024
In 2024, Dr. Marx wrote 71 Medicare Part D claims for 40 patients. 69% of them were for generic drugs. CMS names the drug for 44 of them, across 3 drugs with 11 or more claims each, at $1,601 in total drug cost. In 2023, CMS named 541 claims across 12 drugs.
Dr. Marx's Part D claims by kind of drug, 2024
- Generic49 claims69%
- Brand-name22 claims31%
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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5412024: 4492%
Drugs named by CMS: 3 in 2024, 12 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. Douglas William Marx Sr. received $433 in industry payments from 2016 to 2022
CMS Open Payments shows 16 general payments to Dr. Marx from 5 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 81% of the total. Glaukos Corporation paid the most, $145.
General payments to Dr. Marx by program year, 2016 to 2022
General payments to Dr. Marx by kind, 2016 to 2022
- Food and beverage$35081%
- Gifts$4510%
- Education$389%
Companies that paid Dr. Marx the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Douglas William Marx Sr. 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 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Douglas William Marx Sr.'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 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 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. Douglas William Marx Sr.
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. Douglas William Marx Sr.'s NPI number?
Dr. Douglas William Marx Sr.'s NPI number is 1437155686. It was assigned on June 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Douglas William Marx Sr.?
Dr. Douglas William Marx Sr. is an ophthalmologist in Mountain Home, Arkansas. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Douglas William Marx Sr. practice?
Dr. Marx practices at 160 North Highway 201, Mountain Home, AR 72653. Dr. Marx's primary practice is Outpatient Surgery Center - Mountain Home in Mountain Home, Arkansas.
What is Dr. Douglas William Marx Sr.'s office phone number?
The practice phone on file for Dr. Marx is (870) 424-2020.
What is Dr. Douglas William Marx Sr.'s medical license number?
Dr. Marx holds Arkansas license R3778.
Does Dr. Douglas William Marx Sr. accept Medicare?
Yes. CMS data shows Dr. Marx billed Medicare for 813 services in 2023.
What services does Dr. Douglas William Marx Sr. bill to Medicare?
In 2023, Dr. Marx's most billed Medicare services were eye exam or test (92012), eye exam or test (92250) and eye exam or test (92014).
Where did Dr. Douglas William Marx Sr. go to medical school?
Dr. Marx graduated from Louisiana State University School of Medicine in New Orleans in 1980.
What drugs does Dr. Douglas William Marx Sr. prescribe most?
In 2024 Medicare Part D data, Dr. Marx's most prescribed drugs by claims were Timolol Maleate, Latanoprost and Brimonidine Tartrate.
Has Dr. Douglas William Marx Sr. received payments from drug or device companies?
CMS Open Payments shows $433 in general payments to Dr. Marx from 5 companies from 2016 to 2022. The largest total came from Glaukos Corporation.
How long has Dr. Douglas William Marx Sr. been practicing?
Dr. Marx graduated from medical school in 1980, 46 years ago.
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