Dr. Gisli Engilbert Haraldsson, MD
- Medicare services, 2024
- 13
- Medicare patients, 2024
- 26
- Part D claims, 2024
- 37
- Hospital affiliations
- 1
- Industry payments
- $17
- Practice address
- 321 E Harris St, Charlotte, MI 48813
- Practice phone
- Call (517) 543-1050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UM Health-Sparrow Eaton Hospital
Charlotte, Michigan
Find Dr. Haraldsson's professional email, personal email and mobile number
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Dr. Gisli Engilbert Haraldsson is an emergency medicine physician in Charlotte, Michigan
Dr. Haraldsson practices at UM Health-Sparrow Eaton Hospital in Charlotte, Michigan.
Dr. Haraldsson's NPI, 1134380793, was assigned on June 17, 2008. Dr. Haraldsson holds Michigan license 4301092667.
- NPI
- 1134380793NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648426098
- NPI enumeration date
- June 17, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (517) 543-1050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gisli Engilbert Haraldsson practices at UM Health-Sparrow Eaton Hospital in Charlotte, Michigan
Dr. Haraldsson's primary practice is UM Health-Sparrow Eaton Hospital, at 321 E Harris St, Charlotte, MI 48813 in Eaton County. The practice phone is (517) 543-1050.
- UM Health-Sparrow Eaton Hospital321 E Harris St, Charlotte, MI 48813 · Eaton CountyPhone(517) 543-1050
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gisli Engilbert Haraldsson is affiliated with 2 sites of care and 2 medical groups
Dr. Haraldsson's primary practice is UM Health-Sparrow Eaton Hospital in Charlotte, Michigan. Dr. Haraldsson is also affiliated with University of Michigan Health-Sparrow Eaton. The medical group on file is Vituity. Dmand AI also links Dr. Haraldsson to 1 more medical group, 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. Gisli Engilbert Haraldsson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Haraldsson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UM Health-Sparrow Eaton 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. Gisli Engilbert Haraldsson is one of 2,045 emergency medicine physicians in Michigan
Emergency medicine is Dr. Haraldsson's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Haraldsson's licenses on file in 2 states: Michigan and Minnesota.
Specialties and state licenses
- Emergency medicine, MichiganPrimary
- Minnesota license
Emergency medicine physicians near Dr. Haraldsson
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. Gisli Engilbert Haraldsson billed Medicare for 13 services in 2024
CMS data shows 13 Medicare services from Dr. Haraldsson across 1 procedure code in 2024, for 26 Medicare patients. Medicare paid $1,215 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Haraldsson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 272024: 1352%
Dr. Haraldsson compared with the Michigan median for emergency medicine physicians, 2024
- Dr. Haraldsson
- Michigan median
- Medicare services
- 13vs 23494% below
- Medicare patients
- 26vs 21488% below
- Part D claims
- 32vs 4630% below
Medians across 1,937 emergency medicine physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Haraldsson'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. Haraldsson and other emergency medicine physicians in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gisli Engilbert Haraldsson treated 26 Medicare patients in 2024, average age 74
CMS counts 26 Medicare patients who saw Dr. Haraldsson in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.81, 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. Haraldsson's median patient age at 53, with 60% women.
Dr. Haraldsson's Medicare patients by sex, 2024
- Women1558%
- Men1142%
Chronic conditions among Dr. Haraldsson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Diabetes58%
- Chronic kidney disease54%
- Ischemic heart disease54%
- Anxiety46%
- Heart failure46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Haraldsson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gisli Engilbert Haraldsson wrote 37 Medicare Part D claims in 2024
In 2024, Dr. Haraldsson wrote 37 Medicare Part D claims for 27 patients. 92% of them were for generic drugs. CMS names the drug for 32 of them, across 2 drugs with 11 or more claims each, at $88 in total drug cost. In 2019, CMS named 27 claims across 2 drugs.
Dr. Haraldsson's Part D claims by kind of drug, 2024
- Generic34 claims92%
- Brand-name and other3 claims8%
Dr. Haraldsson's most prescribed drugs by claims, 2020
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. Haraldsson's Part D claims, 2024
- Antibiotics32%12 of 37 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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 272020: 3219%
Drugs named by CMS: 2 in 2020, 2 in 2019.
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. Gisli Engilbert Haraldsson takes part in Medicare
Dr. Haraldsson 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. Gisli Engilbert Haraldsson received $17 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Haraldsson from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $17.
Companies that paid Dr. Haraldsson the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gisli Engilbert Haraldsson'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) |
| 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. Gisli Engilbert Haraldsson
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. Gisli Engilbert Haraldsson's NPI number?
Dr. Gisli Engilbert Haraldsson's NPI number is 1134380793. It was assigned on June 17, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Gisli Engilbert Haraldsson?
Dr. Gisli Engilbert Haraldsson is an emergency medicine physician in Charlotte, Michigan. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Gisli Engilbert Haraldsson practice?
Dr. Haraldsson practices at 321 E Harris St, Charlotte, MI 48813. Dr. Haraldsson's primary practice is UM Health-Sparrow Eaton Hospital in Charlotte, Michigan. Dmand AI also links Dr. Haraldsson to 1 medical group.
What is Dr. Gisli Engilbert Haraldsson's office phone number?
The practice phone on file for Dr. Haraldsson is (517) 543-1050.
What is Dr. Gisli Engilbert Haraldsson's medical license number?
Dr. Haraldsson holds Michigan license 4301092667, one of the licenses on file in 2 states.
Which states has Dr. Gisli Engilbert Haraldsson been licensed in?
Dmand AI has state licenses on file for Dr. Haraldsson in Michigan and Minnesota.
Which hospitals is Dr. Gisli Engilbert Haraldsson affiliated with?
Dr. Haraldsson is affiliated with University of Michigan Health-Sparrow Eaton.
What medical group is Dr. Gisli Engilbert Haraldsson part of?
Dr. Haraldsson is linked to Vituity. Dmand AI links Dr. Haraldsson to 1 more medical group.
Does Dr. Gisli Engilbert Haraldsson accept Medicare?
Yes. CMS data shows Dr. Haraldsson billed Medicare for 13 services in 2024, and Dr. Haraldsson accepts Medicare assignment.
How many Medicare patients does Dr. Gisli Engilbert Haraldsson see?
CMS counts 26 Medicare patients who saw Dr. Haraldsson in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Dr. Gisli Engilbert Haraldsson bill to Medicare?
In 2024, Dr. Haraldsson's most billed Medicare services were emergency department visit (99284).
What drugs does Dr. Gisli Engilbert Haraldsson prescribe most?
In 2020 Medicare Part D data, Dr. Haraldsson's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Cephalexin.
Has Dr. Gisli Engilbert Haraldsson received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Dr. Haraldsson from 1 company from 2019 to 2019. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Gisli Engilbert Haraldsson been practicing?
Dr. Haraldsson graduated from medical school in 2003, 23 years ago.
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