Dr. Nathan A. Roesner, DO
- Medicare services, 2019
- 26
- Medicare patients, 2024
- 16
- Part D claims, 2024
- 53
- Hospital affiliations
- 2
- Industry payments
- $3,497
- Practice address
- 4747 Arapahoe Avenue, Boulder, CO 80304
- Practice phone
- Call (303) 440-2273
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Roesner's professional email, personal email and mobile number
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Dr. Nathan A. Roesner is a general surgeon in Boulder, Colorado
Dr. Roesner practices at Foothills Hospital in Boulder, Colorado, part of Boulder Community Health.
Dr. Roesner's NPI, 1598886483, was assigned on April 2, 2007. Dr. Roesner holds Colorado license 50492.
- NPI
- 1598886483NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385891100
- NPI enumeration date
- April 2, 2007
- NPI status
- Active
- Practice phone
- (303) 440-2273
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Nathan A. Roesner practices at Foothills Hospital in Boulder, Colorado
Dr. Roesner's primary practice is Foothills Hospital, at 4747 Arapahoe Avenue, Boulder, CO 80304 in Boulder County. The practice phone is (303) 440-2273.
- Foothills Hospital4747 Arapahoe Avenue, Boulder, CO 80304 · Boulder CountyPhone(303) 440-2273
Source: Dmand AI Affiliation Data
Dr. Nathan A. Roesner is affiliated with 3 sites of care
Dr. Roesner's primary practice is Foothills Hospital in Boulder, Colorado, part of Boulder Community Health. Dr. Roesner is also affiliated with AdventHealth Avista. Dmand AI also links Dr. Roesner to 1 more physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nathan A. Roesner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Roesner practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Foothills Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathan A. Roesner is one of 504 general surgeons in Colorado
Surgery is Dr. Roesner's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Roesner's licenses on file in 2 states: Colorado and Michigan.
Specialties and state licenses
- Surgery, ColoradoPrimary
- Michigan license
General surgeons near Dr. Roesner
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. Nathan A. Roesner billed Medicare for 26 services in 2019
CMS data shows 26 Medicare services from Dr. Roesner across 2 procedure codes in 2019, all of them office visits, for 16 Medicare patients. Medicare paid $2,850 for them. Every service was in an office.
Dr. Roesner's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 132019: 26100%
Dr. Roesner compared with the Colorado median for general surgeons, 2019
- Dr. Roesner
- Colorado median
- Medicare services
- 26vs 10976% below
- Medicare patients
- 16vs 10485% below
- Part D claims
- 30vs 31Close to median
Medians across 491 general surgeons in Colorado with Dmand AI profiles that report each measure.
Dr. Roesner's most billed Medicare procedure codes, 2019
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. Roesner and other general surgeons in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathan A. Roesner treated 16 Medicare patients in 2024, average age 71
CMS counts 16 Medicare patients who saw Dr. Roesner in 2024. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 1.42, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Roesner's median patient age at 44, with 88% women.
Chronic conditions among Dr. Roesner's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure69%
Share of Medicare patients with each condition. A patient can have several.
Dr. Roesner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women88%
- Men13%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nathan A. Roesner wrote 53 Medicare Part D claims in 2024
In 2024, Dr. Roesner wrote 53 Medicare Part D claims for 21 patients. 100% of them were for generic drugs. CMS names the drug for 30 of them, across 2 drugs with 11 or more claims each, at $181 in total drug cost. In 2023, CMS named 38 claims across 2 drugs.
Dr. Roesner'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. Roesner's Part D claims, 2024
- Opioids28%15 of 53 claims
- Antibiotics38%20 of 53 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: 382024: 3021%
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
Dr. Nathan A. Roesner ranks in the 77th percentile for mastectomy in Medicare
CMS counts 19 procedures of mastectomy by Dr. Roesner, more than 77% of the clinicians it reports for that procedure.
Where Dr. Roesner ranks in Medicare procedure volume
- Mastectomy
- 77th percentile19 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Source: Doctors and Clinicians Utilization Data (CMS)
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Dr. Nathan A. Roesner received $3,497 in industry payments from 2016 to 2025
CMS Open Payments shows 127 general payments to Dr. Roesner from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $1,107.
General payments to Dr. Roesner by program year, 2016 to 2025
General payments to Dr. Roesner by kind, 2016 to 2025
- Food and beverage$3,480100%
- Education$170%
Companies that paid Dr. Roesner the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Nathan A. Roesner'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 Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 A. Roesner
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 A. Roesner's NPI number?
Dr. Nathan A. Roesner's NPI number is 1598886483. It was assigned on April 2, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan A. Roesner?
Dr. Nathan A. Roesner is a general surgeon in Boulder, Colorado. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Nathan A. Roesner practice?
Dr. Roesner practices at 4747 Arapahoe Avenue, Boulder, CO 80304. Dr. Roesner's primary practice is Foothills Hospital in Boulder, Colorado, part of Boulder Community Health. Dmand AI also links Dr. Roesner to 1 physician office.
What is Dr. Nathan A. Roesner's office phone number?
The practice phone on file for Dr. Roesner is (303) 440-2273.
What is Dr. Nathan A. Roesner's medical license number?
Dr. Roesner holds Colorado license 50492, one of the licenses on file in 2 states.
Which states has Dr. Nathan A. Roesner been licensed in?
Dmand AI has state licenses on file for Dr. Roesner in Colorado and Michigan.
Which hospitals is Dr. Nathan A. Roesner affiliated with?
Dr. Roesner practices at Foothills Hospital in Boulder, Colorado. Dr. Roesner is also affiliated with AdventHealth Avista.
Does Dr. Nathan A. Roesner accept Medicare?
Yes. CMS data shows Dr. Roesner billed Medicare for 26 services in 2019.
How many Medicare patients does Dr. Nathan A. Roesner see?
CMS counts 16 Medicare patients who saw Dr. Roesner in 2024, with an average age of 71.
What services does Dr. Nathan A. Roesner bill to Medicare?
In 2019, Dr. Roesner's most billed Medicare services were office visit, new patient (99204) and office visit, established patient (99214).
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What drugs does Dr. Nathan A. Roesner prescribe most?
In 2024 Medicare Part D data, Dr. Roesner's most prescribed drugs by claims were Cephalexin and Hydrocodone-Acetaminophen.
Has Dr. Nathan A. Roesner received payments from drug or device companies?
CMS Open Payments shows $3,497 in general payments to Dr. Roesner from 16 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Nathan A. Roesner been practicing?
Dr. Roesner graduated from medical school in 2005, 21 years ago.
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