Dr. Nathan Paul Unkefer, MD
- Medicare services, 2023
- 226
- Part D claims, 2023
- 15
- Hospital affiliations
- 1
- Industry payments
- $19
- Medical groups
- 2
- Practice address
- 1200 East 3900 South, Salt Lake City, UT 84124
- Practice phone
- Call (801) 268-7111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Unkefer'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 Paul Unkefer is an emergency medicine physician in Salt Lake City, Utah
Dr. Unkefer practices at St. Mark's Hospital in Salt Lake City, Utah, part of HCA Healthcare.
Dr. Unkefer's NPI, 1518182609, was assigned on April 16, 2007. Dr. Unkefer holds New Mexico license MD2007-0025.
- NPI
- 1518182609NPI Registry (opens in a new tab)
- NPI enumeration date
- April 16, 2007
- NPI status
- Active
- Practice phone
- (801) 268-7111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan Paul Unkefer practices at St. Mark's Hospital in Salt Lake City, Utah
Dr. Unkefer's primary practice is St. Mark's Hospital, at 1200 East 3900 South, Salt Lake City, UT 84124 in Salt Lake County. The practice phone is (801) 268-7111.
- St. Mark's Hospital1200 East 3900 South, Salt Lake City, UT 84124 · Salt Lake CountyPhone(801) 268-7111
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan Paul Unkefer is affiliated with 2 sites of care and 2 medical groups
Dr. Unkefer's primary practice is St. Mark's Hospital in Salt Lake City, Utah, part of HCA Healthcare. The medical group on file is Emergency Physicians Integrated Care (EPIC). Dmand AI also links Dr. Unkefer to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nathan Paul Unkefer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Unkefer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Mark's 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 Paul Unkefer is one of 547 emergency medicine physicians in Utah
Emergency medicine is Dr. Unkefer's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Unkefer is licensed in New Mexico.
Specialties and state licenses
- Emergency medicine, New MexicoPrimary
Emergency medicine physicians near Dr. Unkefer
Counts of emergency 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 Paul Unkefer billed Medicare for 226 services in 2023
CMS data shows 226 Medicare services from Dr. Unkefer across 3 procedure codes in 2023. Medicare paid $19,512 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Unkefer's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 2002023: 16219%
- Tests and treatments
- 2022: 772023: 6417%
Dr. Unkefer compared with the Utah median for emergency medicine physicians, 2023
- Dr. Unkefer
- Utah median
- Medicare services
- 226vs 219Close to median
- Part D claims
- 15vs 3658% below
Medians across 532 emergency medicine physicians in Utah with Dmand AI profiles that report each measure.
Dr. Unkefer'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. Unkefer and other emergency medicine physicians in Utah.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathan Paul Unkefer's patients have a median age of 31
Across all payers, Dmand AI patient panel data puts Dr. Unkefer's median patient age at 31, with 50% women.
Dr. Unkefer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 31
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Nathan Paul Unkefer wrote 15 Medicare Part D claims in 2023
In 2023, Dr. Unkefer wrote 15 Medicare Part D claims. They cover 1 drug, with $75 in total drug cost. In 2022, CMS named 95 claims across 7 drugs.
Dr. Unkefer'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: 952023: 1584%
Drugs named by CMS: 1 in 2023, 7 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Nathan Paul Unkefer received $19 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Unkefer from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $19.
Companies that paid Dr. Unkefer the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Nathan Paul Unkefer'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 Paul Unkefer
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 Paul Unkefer's NPI number?
Dr. Nathan Paul Unkefer's NPI number is 1518182609. It was assigned on April 16, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan Paul Unkefer?
Dr. Nathan Paul Unkefer is an emergency medicine physician in Salt Lake City, Utah. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Nathan Paul Unkefer practice?
Dr. Unkefer practices at 1200 East 3900 South, Salt Lake City, UT 84124. Dr. Unkefer's primary practice is St. Mark's Hospital in Salt Lake City, Utah, part of HCA Healthcare. Dmand AI also links Dr. Unkefer to 1 group practice or clinic and 1 medical group.
What is Dr. Nathan Paul Unkefer's office phone number?
The practice phone on file for Dr. Unkefer is (801) 268-7111.
What is Dr. Nathan Paul Unkefer's medical license number?
Dr. Unkefer holds New Mexico license MD2007-0025.
Which hospitals is Dr. Nathan Paul Unkefer affiliated with?
Dr. Unkefer practices at St. Mark's Hospital in Salt Lake City, Utah.
What medical group is Dr. Nathan Paul Unkefer part of?
Dr. Unkefer is linked to Emergency Physicians Integrated Care (EPIC). Dmand AI links Dr. Unkefer to 1 more medical group.
Does Dr. Nathan Paul Unkefer accept Medicare?
Yes. CMS data shows Dr. Unkefer billed Medicare for 226 services in 2023.
What services does Dr. Nathan Paul Unkefer bill to Medicare?
In 2023, Dr. Unkefer's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
What drugs does Dr. Nathan Paul Unkefer prescribe most?
In 2023 Medicare Part D data, Dr. Unkefer's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Nathan Paul Unkefer received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Dr. Unkefer from 1 company from 2023 to 2023. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Nathan Paul Unkefer been practicing?
Dr. Unkefer's NPI was assigned in 2007.
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