Dr. Alexander D. Reisner, MD
- Medicare services, 2024
- 446
- Medicare patients, 2024
- 155
- Part D claims, 2024
- 252
- Hospital affiliations
- 1
- Industry payments
- $33
- Practice address
- 251 E Huron St, Chicago, IL 60611
- Practice phone
- Call (312) 926-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Reisner's professional email, personal email and mobile number
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Dr. Alexander D. Reisner is a hospitalist in Chicago, Illinois
Dr. Reisner practices at Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare.
Dr. Reisner's NPI, 1578907572, was assigned on April 20, 2013. Dr. Reisner graduated from Tufts University School of Medicine in 2013. Dr. Reisner holds Illinois license 036144788.
- NPI
- 1578907572NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749578763
- NPI enumeration date
- April 20, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 926-2000
- 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. Alexander D. Reisner practices at Northwestern Memorial Hospital in Chicago, Illinois
Dr. Reisner's primary practice is Northwestern Memorial Hospital, at 251 E Huron St, Chicago, IL 60611 in Cook County. The practice phone is (312) 926-2000.
- Northwestern Memorial Hospital251 E Huron St, Chicago, IL 60611 · Cook CountyPhone(312) 926-2000
Source: Dmand AI Affiliation Data
Dr. Alexander D. Reisner is affiliated with 1 site of care and 2 medical groups
Dr. Reisner's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Reisner to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alexander D. Reisner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Reisner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Memorial Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwestern Memorial HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Alexander D. Reisner is one of 1,321 hospitalists in Illinois
Hospitalist is Dr. Reisner's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Reisner is licensed in Illinois.
Specialties and state licenses
- Hospitalist, IllinoisPrimary
Hospitalists near Dr. Reisner
Counts of hospitalists 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. Alexander D. Reisner billed Medicare for 446 services in 2024
CMS data shows 446 Medicare services from Dr. Reisner across 4 procedure codes in 2024, for 155 Medicare patients. Medicare paid $43,104 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Reisner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4052024: 44610%
Dr. Reisner compared with the Illinois median for hospitalists, 2024
- Dr. Reisner
- Illinois median
- Medicare services
- 446vs 54318% below
- Medicare patients
- 155vs 24236% below
- Part D claims
- 40vs 5325% below
Medians across 1,248 hospitalists in Illinois with Dmand AI profiles that report each measure.
Dr. Reisner'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. Alexander D. Reisner treated 155 Medicare patients in 2024, average age 72
CMS counts 155 Medicare patients who saw Dr. Reisner in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 54% are also on Medicaid. Their average risk score is 3.63, 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. Reisner's median patient age at 73, with 53% women.
Dr. Reisner's Medicare patients by age, 2024
Dr. Reisner's Medicare patients by sex, 2024
- Women8857%
- Men6743%
Chronic conditions among Dr. Reisner's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis66%
- Chronic kidney disease61%
- Diabetes55%
- Heart failure53%
- Ischemic heart disease52%
- Mood disorders44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Reisner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexander D. Reisner wrote 252 Medicare Part D claims in 2024
In 2024, Dr. Reisner wrote 252 Medicare Part D claims for 55 patients. 82% of them were for generic drugs. CMS names the drug for 40 of them, across 3 drugs with 11 or more claims each, at $180 in total drug cost. In 2021, CMS named 11 claims across 1 drug.
Dr. Reisner's Part D claims by kind of drug, 2024
- Generic206 claims82%
- Brand-name and other46 claims18%
Dr. Reisner'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. Reisner's Part D claims, 2024
- Antibiotics11%28 of 252 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, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 112024: 40264%
Drugs named by CMS: 3 in 2024, 1 in 2021.
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. Alexander D. Reisner takes part in Medicare
Dr. Reisner 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. Alexander D. Reisner received $33 in industry payments in 2022
CMS Open Payments shows 2 general payments to Dr. Reisner from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $33.
Companies that paid Dr. Reisner the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alexander D. Reisner graduated from Tufts University School of Medicine
Dr. Reisner graduated from Tufts University School of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alexander D. Reisner'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) |
| 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. Alexander D. Reisner
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. Alexander D. Reisner's NPI number?
Dr. Alexander D. Reisner's NPI number is 1578907572. It was assigned on April 20, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexander D. Reisner?
Dr. Alexander D. Reisner is a hospitalist in Chicago, Illinois. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Alexander D. Reisner practice?
Dr. Reisner practices at 251 E Huron St, Chicago, IL 60611. Dr. Reisner's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Reisner to 1 medical group.
What is Dr. Alexander D. Reisner's office phone number?
The practice phone on file for Dr. Reisner is (312) 926-2000.
What is Dr. Alexander D. Reisner's medical license number?
Dr. Reisner holds Illinois license 036144788.
Which hospitals is Dr. Alexander D. Reisner affiliated with?
Dr. Reisner practices at Northwestern Memorial Hospital in Chicago, Illinois.
What medical group is Dr. Alexander D. Reisner part of?
Dr. Reisner is linked to Northwestern Medical Faculty Foundation. Dmand AI links Dr. Reisner to 1 more medical group.
Does Dr. Alexander D. Reisner accept Medicare?
Yes. CMS data shows Dr. Reisner billed Medicare for 446 services in 2024, and Dr. Reisner accepts Medicare assignment.
How many Medicare patients does Dr. Alexander D. Reisner see?
CMS counts 155 Medicare patients who saw Dr. Reisner in 2024, with an average age of 72.
What services does Dr. Alexander D. Reisner bill to Medicare?
In 2024, Dr. Reisner's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99222).
Show 4 more questionsShow fewer questions
Where did Dr. Alexander D. Reisner go to medical school?
Dr. Reisner graduated from Tufts University School of Medicine in 2013.
What drugs does Dr. Alexander D. Reisner prescribe most?
In 2024 Medicare Part D data, Dr. Reisner's most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Carvedilol.
Has Dr. Alexander D. Reisner received payments from drug or device companies?
CMS Open Payments shows $33 in general payments to Dr. Reisner from 1 company from 2022 to 2022. The largest total came from Abbvie Inc.
How long has Dr. Alexander D. Reisner been practicing?
Dr. Reisner graduated from medical school in 2013, 13 years ago.
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