Dr. Nathan Daniel Nielson, DO
- Medicare services, 2024
- 163
- Medicare patients, 2024
- 143
- Part D claims, 2024
- 100
- Hospital affiliations
- 2
- Industry payments
- $3,916
- Practice address
- 1808 W Main St, Russellville, AR 72801
- Practice phone
- Call (479) 968-2841
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Saint Marys Regional Medical Center (AR)
Russellville, Arkansas
Find Dr. Nielson'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. Nathan Daniel Nielson is a family medicine physician in Russellville, Arkansas
Dr. Nielson practices at Saint Marys Regional Medical Center (AR) in Russellville, Arkansas.
Dr. Nielson's NPI, 1659697555, was assigned on April 16, 2010. Dr. Nielson graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2010. Dr. Nielson holds Utah license 8046571-1204.
- NPI
- 1659697555NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769658988
- NPI enumeration date
- April 16, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (479) 968-2841
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan Daniel Nielson practices at Saint Marys Regional Medical Center (AR) in Russellville, Arkansas
Dr. Nielson's primary practice is Saint Marys Regional Medical Center (AR), at 1808 W Main St, Russellville, AR 72801 in Pope County. The practice phone is (479) 968-2841.
- Saint Marys Regional Medical Center (AR)1808 W Main St, Russellville, AR 72801 · Pope CountyPhone(479) 968-2841
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nathan Daniel Nielson is affiliated with 4 sites of care and 3 medical groups
Dr. Nielson's primary practice is Saint Marys Regional Medical Center (AR) in Russellville, Arkansas. Dr. Nielson is also affiliated with Saint Mary's Regional Health. The medical group on file is Southeastern Emergency Physicians. Dmand AI also links Dr. Nielson to 1 more hospital, 2 medical groups 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. Nathan Daniel Nielson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nielson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Marys Regional Medical Center (AR) | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathan Daniel Nielson is one of 1,423 family medicine physicians in Arkansas
Family medicine is Dr. Nielson's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Nielson's licenses on file in 3 states: Utah, Arkansas and Nevada.
Specialties and state licenses
- Family medicine, UtahPrimary
- Hospitalist, Arkansas
- Nevada license
Family medicine physicians near Dr. Nielson
Counts of family medicine 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. Nathan Daniel Nielson billed Medicare for 163 services in 2024
CMS data shows 163 Medicare services from Dr. Nielson across 5 procedure codes in 2024, for 143 Medicare patients. Medicare paid $13,652 for them.
Dr. Nielson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1312024: 1264%
- Tests and treatments
- 2023: 562024: 3734%
Where Dr. Nielson's Medicare services took place, 2024
- In an office1912%
- In a facility14488%
Dr. Nielson compared with the Arkansas median for family medicine physicians, 2024
- Dr. Nielson
- Arkansas median
- Medicare services
- 163vs 65575% below
- Medicare patients
- 143vs 22536% below
- Part D claims
- 22vs 1,61899% below
Medians across 1,472 family medicine physicians in Arkansas with Dmand AI profiles that report each measure.
Dr. Nielson'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. Nielson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nielson and other family medicine physicians in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathan Daniel Nielson treated 143 Medicare patients in 2024, average age 74
CMS counts 143 Medicare patients who saw Dr. Nielson in 2024. The largest group is 75 to 84, with 57 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.56, 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. Nielson's median patient age at 42, with 56% women.
Dr. Nielson's Medicare patients by age, 2024
Dr. Nielson's Medicare patients by sex, 2024
- Women7955%
- Men6445%
Chronic conditions among Dr. Nielson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Arthritis51%
- Ischemic heart disease39%
- Heart failure38%
- Mood disorders37%
- Depression35%
- Anxiety34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nielson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nathan Daniel Nielson wrote 100 Medicare Part D claims in 2024
In 2024, Dr. Nielson wrote 100 Medicare Part D claims for 79 patients. 94% of them were for generic drugs. CMS names the drug for 22 of them, across 2 drugs with 11 or more claims each, at $102 in total drug cost. In 2023, CMS named 22 claims across 2 drugs.
Dr. Nielson's Part D claims by kind of drug, 2024
- Generic94 claims94%
- Brand-name and other6 claims6%
Dr. Nielson'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. Nielson's Part D claims, 2024
- Antibiotics37%37 of 100 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: 222024: 22No change
Drugs named by CMS: 2 in 2024, 2 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
How Dr. Nathan Daniel Nielson takes part in Medicare
Dr. Nielson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Nathan Daniel Nielson received $3,916 in industry payments from 2016 to 2022
CMS Open Payments shows 19 general payments to Dr. Nielson from 8 drug and device companies from 2016 to 2022. Consulting fees make up the largest share, 94% of the total. Janssen Research & Development, LLC paid the most, $3,700.
General payments to Dr. Nielson by program year, 2016 to 2022
General payments to Dr. Nielson by kind, 2016 to 2022
- Consulting fees$3,70094%
- Food and beverage$2166%
Companies that paid Dr. Nielson 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. Nathan Daniel Nielson graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville
Dr. Nielson graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nathan Daniel Nielson'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) |
| 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. Nathan Daniel Nielson
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. Nathan Daniel Nielson's NPI number?
Dr. Nathan Daniel Nielson's NPI number is 1659697555. It was assigned on April 16, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan Daniel Nielson?
Dr. Nathan Daniel Nielson is a family medicine physician in Russellville, Arkansas. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Nathan Daniel Nielson practice?
Dr. Nielson practices at 1808 W Main St, Russellville, AR 72801. Dr. Nielson's primary practice is Saint Marys Regional Medical Center (AR) in Russellville, Arkansas. Dmand AI also links Dr. Nielson to 1 hospital, 2 medical groups and 1 group practice or clinic.
What is Dr. Nathan Daniel Nielson's office phone number?
The practice phone on file for Dr. Nielson is (479) 968-2841.
What is Dr. Nathan Daniel Nielson's medical license number?
Dr. Nielson holds Utah license 8046571-1204, one of the licenses on file in 3 states.
Which states has Dr. Nathan Daniel Nielson been licensed in?
Dmand AI has state licenses on file for Dr. Nielson in Utah, Arkansas and Nevada.
Which hospitals is Dr. Nathan Daniel Nielson affiliated with?
Dr. Nielson is affiliated with Saint Mary's Regional Health. Dmand AI links Dr. Nielson to 1 more hospital.
What medical group is Dr. Nathan Daniel Nielson part of?
Dr. Nielson is linked to Southeastern Emergency Physicians. Dmand AI links Dr. Nielson to 2 more medical groups.
Does Dr. Nathan Daniel Nielson accept Medicare?
Yes. CMS data shows Dr. Nielson billed Medicare for 163 services in 2024, and Dr. Nielson accepts Medicare assignment.
How many Medicare patients does Dr. Nathan Daniel Nielson see?
CMS counts 143 Medicare patients who saw Dr. Nielson in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Nathan Daniel Nielson bill to Medicare?
In 2024, Dr. Nielson's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Nathan Daniel Nielson go to medical school?
Dr. Nielson graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2010.
What drugs does Dr. Nathan Daniel Nielson prescribe most?
In 2024 Medicare Part D data, Dr. Nielson's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass and Prednisone.
Has Dr. Nathan Daniel Nielson received payments from drug or device companies?
CMS Open Payments shows $3,916 in general payments to Dr. Nielson from 8 companies from 2016 to 2022. The largest total came from Janssen Research & Development, LLC.
How long has Dr. Nathan Daniel Nielson been practicing?
Dr. Nielson graduated from medical school in 2010, 16 years ago.
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