Dr. Mark Eugene Larey, DO
- Medicare services, 2024
- 59
- Medicare patients, 2024
- 71
- Part D claims, 2024
- 46
- Hospital affiliations
- 1
- Industry payments
- $253
- Practice address
- 300 Werner St, Hot Springs National Park, AR 71913
- Practice phone
- Call (501) 622-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
CHI St Vincent Hot Springs
Hot Springs National Park, Arkansas
Find Dr. Larey'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. Mark Eugene Larey is an internist in Hot Springs National Park, Arkansas
Dr. Larey practices at CHI St Vincent Hot Springs in Hot Springs National Park, Arkansas.
Dr. Larey's NPI, 1972563773, was assigned on March 24, 2006. Dr. Larey graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1986. Dr. Larey holds Arkansas license N8422.
- NPI
- 1972563773NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951203249
- NPI enumeration date
- March 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (501) 622-1000
- 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 Eugene Larey practices at CHI St Vincent Hot Springs in Hot Springs National Park, Arkansas
Dr. Larey's primary practice is CHI St Vincent Hot Springs, at 300 Werner St, Hot Springs National Park, AR 71913 in Garland County. The practice phone is (501) 622-1000.
- CHI St Vincent Hot Springs300 Werner St, Hot Springs National Park, AR 71913 · Garland CountyPhone(501) 622-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark Eugene Larey is affiliated with 4 sites of care and 1 medical group
Dr. Larey's primary practice is CHI St Vincent Hot Springs in Hot Springs National Park, Arkansas. Dr. Larey is also affiliated with CHI St. Vincent Hot Springs. The medical group on file is CHI St. Vincent Primary Care - Glenwood. Dmand AI also links Dr. Larey to 1 more physician office and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Eugene Larey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Larey practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CHI St Vincent Hot Springs | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Eugene Larey is one of 642 internists in Arkansas
Internal medicine is Dr. Larey's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Larey is licensed in Arkansas.
Specialties and state licenses
- Internal medicine, ArkansasPrimary
Internists near Dr. Larey
Counts of internists 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 Eugene Larey billed Medicare for 59 services in 2024
CMS data shows 59 Medicare services from Dr. Larey across 3 procedure codes in 2024, for 71 Medicare patients. Medicare paid $2,218 for them. Every service was in an office.
Dr. Larey's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2992024: 4386%
- Surgery
- 2023: 162024: 16No change
- Drugs given in the office
- 2023: 4882024: 0100%
- Imaging
- 2023: 172024: 0100%
- Lab and pathology
- 2023: 1222024: 0100%
- Tests and treatments
- 2023: 492024: 0100%
Dr. Larey compared with the Arkansas median for internists, 2024
- Dr. Larey
- Arkansas median
- Medicare services
- 59vs 84293% below
- Medicare patients
- 71vs 29076% below
- Part D claims
- 58vs 19771% below
Medians across 627 internists in Arkansas with Dmand AI profiles that report each measure.
Dr. Larey'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.
Need commercial claims for Dr. Larey?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Larey and other internists in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Eugene Larey treated 71 Medicare patients in 2024, average age 74
CMS counts 71 Medicare patients who saw Dr. Larey in 2024. The largest group is 75 to 84, with 28 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.14, 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. Larey's median patient age at 70, with 40% women.
Dr. Larey's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Larey's Medicare patients by sex, 2024
- Women3144%
- Men4056%
Chronic conditions among Dr. Larey's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Diabetes41%
- Ischemic heart disease41%
- Atrial fibrillation31%
- Mood disorders31%
- Heart failure30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Larey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women40%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Eugene Larey wrote 46 Medicare Part D claims in 2024
In 2024, Dr. Larey wrote 46 Medicare Part D claims for 18 patients. 96% of them were for generic drugs. They cover 3 drugs, with $809 in total drug cost. In 2022, CMS named 28 claims across 2 drugs.
Dr. Larey's Part D claims by kind of drug, 2024
- Generic44 claims96%
- Brand-name and other2 claims4%
Dr. Larey's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 282023: 58107%
Drugs named by CMS: 3 in 2023, 2 in 2022.
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 Eugene Larey ranks in the 72nd percentile for removal of tissue in Medicare
Dr. Larey accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 26 procedures of removal of tissue by Dr. Larey, more than 72% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Larey ranks in Medicare procedure volume
- Removal of tissue
- 72nd percentile26 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 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 Eugene Larey received $253 in industry payments from 2016 to 2025
CMS Open Payments shows 8 general payments to Dr. Larey from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Smith & Nephew, Inc. paid the most, $97.
General payments to Dr. Larey by program year, 2016 to 2025
Companies that paid Dr. Larey 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 Eugene Larey graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville
Dr. Larey graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Eugene Larey'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 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 Eugene Larey
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 Eugene Larey's NPI number?
Dr. Mark Eugene Larey's NPI number is 1972563773. It was assigned on March 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Eugene Larey?
Dr. Mark Eugene Larey is an internist in Hot Springs National Park, Arkansas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mark Eugene Larey practice?
Dr. Larey practices at 300 Werner St, Hot Springs National Park, AR 71913. Dr. Larey's primary practice is CHI St Vincent Hot Springs in Hot Springs National Park, Arkansas. Dmand AI also links Dr. Larey to 1 physician office and 1 group practice or clinic.
What is Dr. Mark Eugene Larey's office phone number?
The practice phone on file for Dr. Larey is (501) 622-1000.
What is Dr. Mark Eugene Larey's medical license number?
Dr. Larey holds Arkansas license N8422.
Which hospitals is Dr. Mark Eugene Larey affiliated with?
Dr. Larey is affiliated with CHI St. Vincent Hot Springs.
What medical group is Dr. Mark Eugene Larey part of?
Dr. Larey is linked to CHI St. Vincent Primary Care - Glenwood.
Does Dr. Mark Eugene Larey accept Medicare?
Yes. CMS data shows Dr. Larey billed Medicare for 59 services in 2024, and Dr. Larey accepts Medicare assignment.
How many Medicare patients does Dr. Mark Eugene Larey see?
CMS counts 71 Medicare patients who saw Dr. Larey in 2024, with an average age of 74.
What services does Dr. Mark Eugene Larey bill to Medicare?
In 2024, Dr. Larey's most billed Medicare services were office visit, established patient (99212), office visit, established patient (99213) and surgery: skin and soft tissue (11042).
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Where did Dr. Mark Eugene Larey go to medical school?
Dr. Larey graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1986.
What drugs does Dr. Mark Eugene Larey prescribe most?
In 2023 Medicare Part D data, Dr. Larey's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Alprazolam and Doxycycline Hyclate.
Has Dr. Mark Eugene Larey received payments from drug or device companies?
CMS Open Payments shows $253 in general payments to Dr. Larey from 5 companies from 2016 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Dr. Mark Eugene Larey been practicing?
Dr. Larey graduated from medical school in 1986, 40 years ago.
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