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Dr. Nathan Bertelsen, MD
NPI1649437179PAC ID9032387154
- Medicare services, 2020
- 92
- Part D claims, 2024
- 47
- Publications
- 9
- MIPS score, 2024
- 96
- Hospital affiliations
- 1
- Practice address
- 2450 Riverside Avenue, Minneapolis, MN 55454
- Practice phone
- Call (612) 624-1765
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Bertelsen's professional email, personal email and mobile number
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Dr. Nathan Bertelsen is an internist in Minneapolis, Minnesota
Dr. Bertelsen practices at M Health Fairview University of Minnesota Medical Center in Minneapolis, Minnesota, part of M Health Fairview.
Dr. Bertelsen's NPI, 1649437179, was assigned on May 21, 2008. Dr. Bertelsen holds Minnesota license 65976.
NPI and contact details
- NPI
- 1649437179NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032387154
- NPI enumeration date
- May 21, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (612) 624-1765
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan Bertelsen practices at M Health Fairview University of Minnesota Medical Center in Minneapolis, Minnesota
Dr. Bertelsen's primary practice is M Health Fairview University of Minnesota Medical Center, at 2450 Riverside Avenue, Minneapolis, MN 55454 in Hennepin County. The practice phone is (612) 624-1765.
- M Health Fairview University of Minnesota Medical Center2450 Riverside Avenue, Minneapolis, MN 55454 · Hennepin CountyPhone(612) 624-1765
Source: Dmand AI Affiliation Data
Dr. Nathan Bertelsen is affiliated with 2 sites of care and 2 medical groups
Dr. Bertelsen's primary practice is M Health Fairview University of Minnesota Medical Center in Minneapolis, Minnesota, part of M Health Fairview. The medical group on file is Fairview Health Services. Dmand AI also links Dr. Bertelsen to 1 more dialysis center and 1 medical group, each named with a free account.
Fairview Health Services1 dialysis centerName with a free account1 medical groupName with a free account
See all 4 affiliations for Dr. BertelsenSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nathan Bertelsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bertelsen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| M Health Fairview University of Minnesota Medical Center | 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 Bertelsen is one of 2,322 internists in Minnesota
Internal medicine is Dr. Bertelsen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Bertelsen is licensed in Minnesota.
Specialties and state licenses
- Internal medicine, MinnesotaPrimary
Internists near Dr. Bertelsen
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
2,322internists in Minnesota1,006internists in Minneapolis82internists at M Health Fairview University of Minnesota Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nathan Bertelsen billed Medicare for 92 services in 2020
CMS data shows 92 Medicare services from Dr. Bertelsen across 3 procedure codes in 2020. Medicare paid $7,424 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202092
Paid by Medicare$7,424
Procedure codes3
Dr. Bertelsen compared with the Minnesota median for internists, 2020
- Dr. Bertelsen
- Minnesota median
- Medicare services
- 92vs 33673% below
Medians across 2,238 internists in Minnesota with Dmand AI profiles that report each measure.
Dr. Bertelsen's most billed Medicare procedure codes, 2020
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathan Bertelsen's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Bertelsen's median patient age at 65, with 48% women.
Dr. Bertelsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Nathan Bertelsen wrote 47 Medicare Part D claims in 2024
In 2024, Dr. Bertelsen wrote 47 Medicare Part D claims for 17 patients. 91% of them were for generic drugs.
Part D claims, 202447
Part D patients17
Dr. Bertelsen's Part D claims by kind of drug, 2024
- Generic43 claims91%
- Brand-name and other4 claims9%
Drug classes CMS tracks in Dr. Bertelsen's Part D claims, 2024
- Antibiotics26%12 of 47 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Nathan Bertelsen scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Bertelsen for performance year 2024, reported as part of a group. Dr. Bertelsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Bertelsen's MIPS scores, performance year 2024
- 96of 100Final score
- 82.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 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 Bertelsen has 9 publications on record
Dmand AI links 9 papers to Dr. Bertelsen, published from 2015 to 2023. 2015 was the busiest year, with 4. The most frequent topics are Global Health, Refugees and Cardiovascular Diseases. Dr. Bertelsen has published most often in Global Health. Dr. Bertelsen's most frequent co-authors are Allen Scott Keller, MD, Michelle Lynn Dallapiazza, MD and Polina Krass, MD.
Papers9
Years published2015 to 2023
Dr. Bertelsen's papers by year, 2015 to 2023
Topics Dr. Bertelsen writes about most
- Global Health
- Refugees
- Cardiovascular Diseases
- Central America
- Fellowships and Scholarships
- Health Personnel
- Health Status
- Hypertension
Dr. Bertelsen's most frequent co-authors
- Allen Scott Keller, MD2 shared papers
- Michelle Lynn Dallapiazza, MD1 shared paper
- Polina Krass, MD1 shared paper
Recent publications by Dr. Bertelsen
Central AmericaFellowships and ScholarshipsGlobal Health
J Clin Hypertens (Greenwich)
Cardiovascular DiseasesCholesterol, HDLEssential Hypertension
Clin Exp Nephrol
Antihypertensive AgentsBlood PressureBlood Pressure Monitoring, Ambulatory
Global Health
Global HealthPilot ProjectsSimulation Training
See who Dr. Bertelsen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bertelsen works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Nathan Bertelsen'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 Data |
| Part D prescribing | 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Bertelsen
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 Bertelsen's NPI number?
Dr. Nathan Bertelsen's NPI number is 1649437179. It was assigned on May 21, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan Bertelsen?
Dr. Nathan Bertelsen is an internist in Minneapolis, Minnesota. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Nathan Bertelsen practice?
Dr. Bertelsen practices at 2450 Riverside Avenue, Minneapolis, MN 55454. Dr. Bertelsen's primary practice is M Health Fairview University of Minnesota Medical Center in Minneapolis, Minnesota, part of M Health Fairview. Dmand AI also links Dr. Bertelsen to 1 dialysis center and 1 medical group.
What is Dr. Nathan Bertelsen's office phone number?
The practice phone on file for Dr. Bertelsen is (612) 624-1765.
What is Dr. Nathan Bertelsen's medical license number?
Dr. Bertelsen holds Minnesota license 65976.
Which hospitals is Dr. Nathan Bertelsen affiliated with?
Dr. Bertelsen practices at M Health Fairview University of Minnesota Medical Center in Minneapolis, Minnesota.
What medical group is Dr. Nathan Bertelsen part of?
Dr. Bertelsen is linked to Fairview Health Services. Dmand AI links Dr. Bertelsen to 1 more medical group.
Does Dr. Nathan Bertelsen accept Medicare?
Yes. CMS data shows Dr. Bertelsen billed Medicare for 92 services in 2020, and Dr. Bertelsen accepts Medicare assignment.
What is Dr. Nathan Bertelsen's MIPS score?
Dr. Bertelsen's MIPS final score for performance year 2024 is 96 out of 100, reported as part of a group.
What services does Dr. Nathan Bertelsen bill to Medicare?
In 2020, Dr. Bertelsen's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).
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How long has Dr. Nathan Bertelsen been practicing?
Dr. Bertelsen graduated from medical school in 2007, 19 years ago.
Does Dr. Nathan Bertelsen do research?
Dmand AI links 9 publications to Dr. Bertelsen, published from 2015 to 2023.
Who does Dr. Nathan Bertelsen publish with?
Dr. Bertelsen's most frequent co-authors are Allen Scott Keller, MD (2 shared papers), Michelle Lynn Dallapiazza, MD (1 shared paper) and Polina Krass, MD (1 shared paper).
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