Dr. Ari L. Nahum, MD
- Medicare services, 2024
- 298
- Medicare patients, 2024
- 139
- Part D claims, 2024
- 764
- Hospital affiliations
- 3
- Medical groups
- 4
- Practice address
- 640 Jackson Street, Saint Paul, MN 55101
- Practice phone
- Call (651) 254-1616
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nahum's professional email, personal email and mobile number
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Dr. Ari L. Nahum is an internist in Saint Paul, Minnesota
Dr. Nahum practices at Regions Hospital in Saint Paul, Minnesota, part of HealthPartners.
Dr. Nahum's NPI, 1538503719, was assigned on April 18, 2013. Dr. Nahum holds Minnesota license 60230.
- NPI
- 1538503719NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870890775
- NPI enumeration date
- April 18, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (651) 254-1616
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ari L. Nahum practices at Regions Hospital in Saint Paul, Minnesota
Dr. Nahum's primary practice is Regions Hospital, at 640 Jackson Street, Saint Paul, MN 55101 in Ramsey County. The practice phone is (651) 254-1616.
- Regions Hospital640 Jackson Street, Saint Paul, MN 55101 · Ramsey CountyPhone(651) 254-1616
Source: Dmand AI Affiliation Data
Dr. Ari L. Nahum is affiliated with 4 sites of care and 4 medical groups
Dr. Nahum's primary practice is Regions Hospital in Saint Paul, Minnesota, part of HealthPartners. Dr. Nahum is also affiliated with Lakeview Hospital. The medical group on file is HealthPartners. Dmand AI also links Dr. Nahum to 1 more hospital, 3 medical groups and 1 hospice, 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. Ari L. Nahum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nahum practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Regions Hospital | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ari L. Nahum is one of 2,322 internists in Minnesota
Internal medicine is Dr. Nahum's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Nahum's licenses on file in 2 states: Minnesota and Wisconsin.
Specialties and state licenses
- Internal medicine, MinnesotaPrimary
- Wisconsin license
Internists near Dr. Nahum
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. Ari L. Nahum billed Medicare for 298 services in 2024
CMS data shows 298 Medicare services from Dr. Nahum across 8 procedure codes in 2024, for 139 Medicare patients. Medicare paid $21,525 for them.
Dr. Nahum's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2592024: 23210%
- Other services
- 2023: 02024: 66
Where Dr. Nahum's Medicare services took place, 2024
- In an office4916%
- In a facility24984%
Dr. Nahum compared with the Minnesota median for internists, 2024
- Dr. Nahum
- Minnesota median
- Medicare services
- 298vs 33611% below
- Medicare patients
- 139vs 1486% below
- Part D claims
- 556vs 1443.9 times
Medians across 2,238 internists in Minnesota with Dmand AI profiles that report each measure.
Dr. Nahum'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ari L. Nahum treated 139 Medicare patients in 2024, average age 73
CMS counts 139 Medicare patients who saw Dr. Nahum in 2024. The largest group is 65 to 74, with 52 patients. 75% of them have high blood pressure, and 63% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.80, 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. Nahum's median patient age at 82, with 57% women.
Dr. Nahum's Medicare patients by age, 2024
Dr. Nahum's Medicare patients by sex, 2024
- Women6748%
- Men7252%
Chronic conditions among Dr. Nahum's Medicare patients, 2024
- High blood pressure75%
- High cholesterol63%
- Mood disorders42%
- Anxiety40%
- Chronic kidney disease40%
- Arthritis39%
- Depression39%
- Cancer32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nahum's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 82
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ari L. Nahum wrote 764 Medicare Part D claims in 2024
In 2024, Dr. Nahum wrote 764 Medicare Part D claims for 94 patients. 94% of them were for generic drugs. CMS names the drug for 556 of them, across 18 drugs with 11 or more claims each, at $21,222 in total drug cost. In 2023, CMS named 701 claims across 21 drugs.
Dr. Nahum's Part D claims by kind of drug, 2024
- Generic720 claims94%
- Brand-name and other44 claims6%
Dr. Nahum'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. Nahum's Part D claims, 2024
- Opioids47%361 of 764 claims
- Antipsychotics, patients 65 and over4%28 of 764 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: 7012024: 55621%
Drugs named by CMS: 18 in 2024, 21 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
Dr. Ari L. Nahum offers telehealth to Medicare patients
Dr. Nahum accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nahum as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Ari L. Nahum'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) |
| 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) |
| 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. Ari L. Nahum
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. Ari L. Nahum's NPI number?
Dr. Ari L. Nahum's NPI number is 1538503719. It was assigned on April 18, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Ari L. Nahum?
Dr. Ari L. Nahum is an internist in Saint Paul, Minnesota. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ari L. Nahum practice?
Dr. Nahum practices at 640 Jackson Street, Saint Paul, MN 55101. Dr. Nahum's primary practice is Regions Hospital in Saint Paul, Minnesota, part of HealthPartners. Dmand AI also links Dr. Nahum to 1 hospital, 3 medical groups and 1 hospice.
What is Dr. Ari L. Nahum's office phone number?
The practice phone on file for Dr. Nahum is (651) 254-1616.
What is Dr. Ari L. Nahum's medical license number?
Dr. Nahum holds Minnesota license 60230, one of the licenses on file in 2 states.
Which states has Dr. Ari L. Nahum been licensed in?
Dmand AI has state licenses on file for Dr. Nahum in Minnesota and Wisconsin.
Which hospitals is Dr. Ari L. Nahum affiliated with?
Dr. Nahum practices at Regions Hospital in Saint Paul, Minnesota. Dr. Nahum is also affiliated with Lakeview Hospital. Dmand AI links Dr. Nahum to 1 more hospital.
What medical group is Dr. Ari L. Nahum part of?
Dr. Nahum is linked to HealthPartners. Dmand AI links Dr. Nahum to 3 more medical groups.
Does Dr. Ari L. Nahum accept Medicare?
Yes. CMS data shows Dr. Nahum billed Medicare for 298 services in 2024, and Dr. Nahum accepts Medicare assignment.
Does Dr. Ari L. Nahum offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nahum as offering telehealth services.
Show 4 more questionsShow fewer questions
How many Medicare patients does Dr. Ari L. Nahum see?
CMS counts 139 Medicare patients who saw Dr. Nahum in 2024, with an average age of 73.
What services does Dr. Ari L. Nahum bill to Medicare?
In 2024, Dr. Nahum's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99215).
What drugs does Dr. Ari L. Nahum prescribe most?
In 2024 Medicare Part D data, Dr. Nahum's most prescribed drugs by claims were Hydromorphone HCl, Oxycodone HCl and Methadone HCl.
How long has Dr. Ari L. Nahum been practicing?
Dr. Nahum graduated from medical school in 2013, 13 years ago.
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