Dr. Halvor W. Hem IV, MD
- Medicare services, 2024
- 1,611
- Medicare patients, 2024
- 264
- Part D claims, 2024
- 6,782
- Industry payments
- $889
- Affiliated sites
- 1
- Practice address
- 4500 13th St, Gulfport, MS 39501
- Practice phone
- Call (228) 867-3076
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Memorial Hospital at Gulfport
Gulfport, Mississippi
Find Dr. Hem'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. Halvor W. Hem IV is an internist in Gulfport, Mississippi
Dr. Hem practices at Memorial Hospital at Gulfport in Gulfport, Mississippi.
Dr. Hem's NPI, 1124133400, was assigned on August 20, 2006. Dr. Hem graduated from University of North Carolina at Chapel Hill School of Medicine in 1994. Dr. Hem holds Mississippi license 16075.
- NPI
- 1124133400NPI Registry (opens in a new tab)
- NPI enumeration date
- August 20, 2006
- NPI status
- Active
- Practice phone
- (228) 867-3076
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Halvor W. Hem IV practices at Memorial Hospital at Gulfport in Gulfport, Mississippi
Dr. Hem's primary practice is Memorial Hospital at Gulfport, at 4500 13th St, Gulfport, MS 39501 in Harrison County. The practice phone is (228) 867-3076.
- Memorial Hospital at Gulfport4500 13th St, Gulfport, MS 39501 · Harrison CountyPhone(228) 867-3076
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Halvor W. Hem IV is affiliated with 2 sites of care and 1 medical group
Dr. Hem's primary practice is Memorial Hospital at Gulfport in Gulfport, Mississippi. The medical group on file is Memorial Hospital at Gulfport. Dmand AI also links Dr. Hem to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Halvor W. Hem IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hem practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Hospital at Gulfport | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Halvor W. Hem IV is one of 785 internists in Mississippi
Internal medicine is Dr. Hem's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hem is licensed in Mississippi.
Specialties and state licenses
- Internal medicine, MississippiPrimary
Internists near Dr. Hem
Counts of internists 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. Halvor W. Hem IV billed Medicare for 1,611 services in 2024
CMS data shows 1,611 Medicare services from Dr. Hem across 11 procedure codes in 2024, for 264 Medicare patients. Medicare paid $80,934 for them. Every service was in an office.
Dr. Hem's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8502024: 1,00118%
- Other services
- 2023: 5722024: 6107%
Dr. Hem compared with the Mississippi median for internists, 2024
- Dr. Hem
- Mississippi median
- Medicare services
- 1,611vs 98763% above
- Medicare patients
- 264vs 31416% below
- Part D claims
- 6,210vs 28122.1 times
Medians across 747 internists in Mississippi with Dmand AI profiles that report each measure.
Dr. Hem'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. Hem and other internists in Mississippi.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Halvor W. Hem IV treated 264 Medicare patients in 2024, average age 78
CMS counts 264 Medicare patients who saw Dr. Hem in 2024. The largest group is 75 to 84, with 124 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hem's median patient age at 79, with 52% women.
Dr. Hem's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hem's Medicare patients by sex, 2024
- Women14555%
- Men11945%
Chronic conditions among Dr. Hem's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Diabetes41%
- Chronic kidney disease35%
- Ischemic heart disease33%
- Osteoporosis27%
- Anxiety24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hem's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Halvor W. Hem IV wrote 6,782 Medicare Part D claims in 2024
In 2024, Dr. Hem wrote 6,782 Medicare Part D claims for 385 patients. 87% of them were for generic drugs. CMS names the drug for 6,210 of them, across 101 drugs with 11 or more claims each, at $687,199 in total drug cost. In 2023, CMS named 5,894 claims across 97 drugs.
Dr. Hem's Part D claims by kind of drug, 2024
- Generic5,876 claims87%
- Brand-name889 claims13%
- Other17 claims0%
Dr. Hem'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. Hem's Part D claims, 2024
- Opioids1%60 of 6,782 claims
- Antibiotics2%120 of 6,782 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: 5,8942024: 6,2105%
Drugs named by CMS: 101 in 2024, 97 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
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Dr. Halvor W. Hem IV received $889 in industry payments from 2016 to 2024
CMS Open Payments shows 55 general payments to Dr. Hem from 15 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 96% of the total. Eli Lilly and Company paid the most, $204.
General payments to Dr. Hem by program year, 2016 to 2024
General payments to Dr. Hem by kind, 2016 to 2024
- Food and beverage$85196%
- Education$384%
Companies that paid Dr. Hem the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Halvor W. Hem IV graduated from University of North Carolina at Chapel Hill School of Medicine
Dr. Hem graduated from University of North Carolina at Chapel Hill School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Halvor W. Hem IV'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 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) |
| 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. Halvor W. Hem IV
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. Halvor W. Hem IV's NPI number?
Dr. Halvor W. Hem IV's NPI number is 1124133400. It was assigned on August 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Halvor W. Hem IV?
Dr. Halvor W. Hem IV is an internist in Gulfport, Mississippi. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Halvor W. Hem IV practice?
Dr. Hem practices at 4500 13th St, Gulfport, MS 39501. Dr. Hem's primary practice is Memorial Hospital at Gulfport in Gulfport, Mississippi. Dmand AI also links Dr. Hem to 1 group practice or clinic.
What is Dr. Halvor W. Hem IV's office phone number?
The practice phone on file for Dr. Hem is (228) 867-3076.
What is Dr. Halvor W. Hem IV's medical license number?
Dr. Hem holds Mississippi license 16075.
What medical group is Dr. Halvor W. Hem IV part of?
Dr. Hem is linked to Memorial Hospital at Gulfport.
Does Dr. Halvor W. Hem IV accept Medicare?
Yes. CMS data shows Dr. Hem billed Medicare for 1,611 services in 2024.
How many Medicare patients does Dr. Halvor W. Hem IV see?
CMS counts 264 Medicare patients who saw Dr. Hem in 2024, with an average age of 78.
What services does Dr. Halvor W. Hem IV bill to Medicare?
In 2024, Dr. Hem's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Halvor W. Hem IV go to medical school?
Dr. Hem graduated from University of North Carolina at Chapel Hill School of Medicine in 1994.
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What drugs does Dr. Halvor W. Hem IV prescribe most?
In 2024 Medicare Part D data, Dr. Hem's most prescribed drugs by claims were Amlodipine Besylate, Losartan Potassium and Atorvastatin Calcium.
Has Dr. Halvor W. Hem IV received payments from drug or device companies?
CMS Open Payments shows $889 in general payments to Dr. Hem from 15 companies from 2016 to 2024. The largest total came from Eli Lilly and Company.
How long has Dr. Halvor W. Hem IV been practicing?
Dr. Hem graduated from medical school in 1994, 32 years ago.
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