Dr. Nathan Daniel Mark, DO
- Medicare services, 2024
- 241
- Medicare patients, 2024
- 346
- MIPS score, 2024
- 85
- Hospital affiliations
- 1
- Industry payments
- $227
- Practice address
- 1010 Three Springs Blvd, Durango, CO 81301
- Practice phone
- Call (970) 247-4311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mark's professional email, personal email and mobile number
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Dr. Nathan Daniel Mark is an anesthesiologist in Durango, Colorado
Dr. Mark practices at CommonSpirit - Mercy Hospital in Durango, Colorado, part of CommonSpirit Health.
Dr. Mark's NPI, 1902973993, was assigned on November 29, 2006. Dr. Mark graduated from New York College of Osteo Medicine of New York Institute of Technology in 2005. Dr. Mark holds Connecticut license 050791.
- NPI
- 1902973993NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991960767
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (970) 247-4311
- 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; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan Daniel Mark practices at CommonSpirit - Mercy Hospital in Durango, Colorado
Dr. Mark's primary practice is CommonSpirit - Mercy Hospital, at 1010 Three Springs Blvd, Durango, CO 81301 in La Plata County. The practice phone is (970) 247-4311.
- CommonSpirit - Mercy Hospital1010 Three Springs Blvd, Durango, CO 81301 · La Plata CountyPhone(970) 247-4311
Source: Dmand AI Affiliation Data
Dr. Nathan Daniel Mark is affiliated with 2 sites of care and 2 medical groups
Dr. Mark's primary practice is CommonSpirit - Mercy Hospital in Durango, Colorado, part of CommonSpirit Health. The medical group on file is Cardiac & Thoracic Surgery Associates (CTSA). Dmand AI also links Dr. Mark to 1 more group practice or clinic and 1 medical group, each 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 Daniel Mark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mark practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CommonSpirit - Mercy Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathan Daniel Mark is one of 1,032 anesthesiologists in Colorado
Anesthesiology is Dr. Mark's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Mark's licenses on file in 2 states: Connecticut and Colorado.
Specialties and state licenses
- Anesthesiology, ConnecticutPrimary
- Colorado license
Anesthesiologists near Dr. Mark
Counts of anesthesiologists 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 Mark billed Medicare for 241 services in 2024
CMS data shows 241 Medicare services from Dr. Mark across 9 procedure codes in 2024, for 346 Medicare patients. Medicare paid $21,041 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Mark's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1792024: 21721%
- Surgery
- 2023: 152024: 2460%
Dr. Mark compared with the Colorado median for anesthesiologists, 2024
- Dr. Mark
- Colorado median
- Medicare services
- 241vs 534.5 times
- Medicare patients
- 346vs 1262.7 times
Medians across 977 anesthesiologists in Colorado with Dmand AI profiles that report each measure.
Dr. Mark'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. Mark and other anesthesiologists in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathan Daniel Mark treated 346 Medicare patients in 2024, average age 73
CMS counts 346 Medicare patients who saw Dr. Mark in 2024. The largest group is 65 to 74, with 189 patients. 60% of them have high cholesterol, and 52% have arthritis. 9% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mark's median patient age at 60, with 61% women.
Dr. Mark's Medicare patients by age, 2024
Dr. Mark's Medicare patients by sex, 2024
- Women18854%
- Men15846%
Chronic conditions among Dr. Mark's Medicare patients, 2024
- High cholesterol60%
- Arthritis52%
- High blood pressure52%
- Ischemic heart disease20%
- Diabetes19%
- Mood disorders19%
- Osteoporosis19%
- Chronic kidney disease18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nathan Daniel Mark scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Mark for performance year 2024, reported as part of a group. Dr. Mark accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Mark's MIPS scores, performance year 2024
- 85of 100Final score
- 84.5of 100Quality
- 83of 100Promoting Interoperability
- 40of 100Improvement Activities
- 79of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Nathan Daniel Mark received $227 in industry payments from 2017 to 2025
CMS Open Payments shows 6 general payments to Dr. Mark from 3 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Halyard Health, Inc. paid the most, $170.
General payments to Dr. Mark by program year, 2017 to 2025
Companies that paid Dr. Mark the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nathan Daniel Mark graduated from New York College of Osteo Medicine of New York Institute of Technology
Dr. Mark graduated from New York College of Osteo Medicine of New York Institute of Technology in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nathan Daniel Mark'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 Mark
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 Mark's NPI number?
Dr. Nathan Daniel Mark's NPI number is 1902973993. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan Daniel Mark?
Dr. Nathan Daniel Mark is an anesthesiologist in Durango, Colorado. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Nathan Daniel Mark practice?
Dr. Mark practices at 1010 Three Springs Blvd, Durango, CO 81301. Dr. Mark's primary practice is CommonSpirit - Mercy Hospital in Durango, Colorado, part of CommonSpirit Health. Dmand AI also links Dr. Mark to 1 group practice or clinic and 1 medical group.
What is Dr. Nathan Daniel Mark's office phone number?
The practice phone on file for Dr. Mark is (970) 247-4311.
What is Dr. Nathan Daniel Mark's medical license number?
Dr. Mark holds Connecticut license 050791, one of the licenses on file in 2 states.
Which states has Dr. Nathan Daniel Mark been licensed in?
Dmand AI has state licenses on file for Dr. Mark in Connecticut and Colorado.
Which hospitals is Dr. Nathan Daniel Mark affiliated with?
Dr. Mark practices at CommonSpirit - Mercy Hospital in Durango, Colorado.
What medical group is Dr. Nathan Daniel Mark part of?
Dr. Mark is linked to Cardiac & Thoracic Surgery Associates (CTSA). Dmand AI links Dr. Mark to 1 more medical group.
Does Dr. Nathan Daniel Mark accept Medicare?
Yes. CMS data shows Dr. Mark billed Medicare for 241 services in 2024, and Dr. Mark accepts Medicare assignment.
What is Dr. Nathan Daniel Mark's MIPS score?
Dr. Mark's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Nathan Daniel Mark see?
CMS counts 346 Medicare patients who saw Dr. Mark in 2024, with an average age of 73.
What services does Dr. Nathan Daniel Mark bill to Medicare?
In 2024, Dr. Mark's most billed Medicare services were anesthesia (00142), anesthesia (01402) and anesthesia (00811).
Where did Dr. Nathan Daniel Mark go to medical school?
Dr. Mark graduated from New York College of Osteo Medicine of New York Institute of Technology in 2005.
Has Dr. Nathan Daniel Mark received payments from drug or device companies?
CMS Open Payments shows $227 in general payments to Dr. Mark from 3 companies from 2017 to 2025. The largest total came from Halyard Health, Inc.
How long has Dr. Nathan Daniel Mark been practicing?
Dr. Mark graduated from medical school in 2005, 21 years ago.
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