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Joshua G. Cahan
NPI1912389313PAC ID2769783703
- Medicare services, 2024
- 748
- Medicare patients, 2024
- 360
- Part D claims, 2024
- 1,739
- Publications
- 8
- MIPS score, 2024
- 95
- 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 Joshua Cahan's professional email, personal email and mobile number
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Joshua G. Cahan is a neurologist in Chicago, Illinois
Joshua Cahan practices at Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare.
Joshua Cahan's NPI, 1912389313, was assigned on June 22, 2015. Joshua Cahan holds Illinois license 036.149112.
NPI and contact details
- NPI
- 1912389313NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769783703
- NPI enumeration date
- June 22, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (312) 926-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Joshua G. Cahan practices at Northwestern Memorial Hospital in Chicago, Illinois
Joshua Cahan'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
Joshua G. Cahan is affiliated with 6 sites of care and 1 medical group
Joshua Cahan's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. Joshua Cahan is also affiliated with Shirley Ryan AbilityLab. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Joshua Cahan to 4 more hospitals, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Joshua G. Cahan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Joshua Cahan practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Memorial Hospital | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Joshua G. Cahan is one of 822 neurologists in Illinois
Neurology is Joshua Cahan's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Joshua Cahan is licensed in Illinois.
Specialties and state licenses
- Neurology, IllinoisPrimary
Neurologists near Joshua Cahan
Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.
822neurologists in Illinois304neurologists in Chicago21neurologists at Northwestern Memorial Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Joshua G. Cahan billed Medicare for 748 services in 2024
CMS data shows 748 Medicare services from Joshua Cahan across 10 procedure codes in 2024, for 360 Medicare patients. Medicare paid $85,698 for them.
Medicare services, 2024748
Medicare patients360
Paid by Medicare$85,698
Procedure codes10
Joshua Cahan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3262024: 43032%
- Other services
- 2023: 932024: 261181%
- Tests and treatments
- 2023: 742024: 5723%
Where Joshua Cahan's Medicare services took place, 2024
- In an office71195%
- In a facility375%
Joshua Cahan compared with the Illinois median for neurologists, 2024
- Joshua Cahan
- Illinois median
- Medicare services
- 748vs 40187% above
- Medicare patients
- 360vs 22560% above
- Part D claims
- 1,626vs 3185.1 times
Medians across 747 neurologists in Illinois with Dmand AI profiles that report each measure.
Joshua Cahan'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
Joshua G. Cahan treated 360 Medicare patients in 2024, average age 77
CMS counts 360 Medicare patients who saw Joshua Cahan in 2024. The largest group is 75 to 84, with 177 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.55, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Joshua Cahan's median patient age at 77, with 58% women.
Medicare patients, 2024360
Average age77
Average risk score1.55
Also on Medicaid14%
Joshua Cahan's Medicare patients by age, 2024
Joshua Cahan's Medicare patients by sex, 2024
- Women21660%
- Men14440%
Chronic conditions among Joshua Cahan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Alzheimer's and dementia64%
- Arthritis47%
- Mood disorders43%
- Anxiety38%
- Depression38%
- Ischemic heart disease30%
Share of Medicare patients with each condition. A patient can have several.
Joshua Cahan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Joshua G. Cahan wrote 1,739 Medicare Part D claims in 2024
In 2024, Joshua Cahan wrote 1,739 Medicare Part D claims for 317 patients. 96% of them were for generic drugs. CMS names the drug for 1,626 of them, across 14 drugs with 11 or more claims each, at $39,725 in total drug cost. In 2023, CMS named 1,260 claims across 13 drugs.
Part D claims, 20241,739
Drugs named by CMS14
Total drug cost$39,725
Part D patients317
Joshua Cahan's Part D claims by kind of drug, 2024
- Generic1,676 claims96%
- Brand-name63 claims4%
Joshua Cahan'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 Joshua Cahan's Part D claims, 2024
- Antipsychotics, patients 65 and over5%86 of 1,739 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: 1,2602024: 1,62629%
Drugs named by CMS: 14 in 2024, 13 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
Joshua G. Cahan scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Joshua Cahan for performance year 2024, reported through an alternative payment model (APM). Joshua Cahan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Joshua Cahan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Joshua Cahan's MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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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Joshua G. Cahan has 8 publications on record
Dmand AI links 8 papers to Joshua Cahan, published from 2013 to 2025. 2024 was the busiest year, with 3. Joshua Cahan's most frequent co-authors are Roumen D. Balabanov, MD, Bianca Elena Barcelo, MD and Borna Bonakdarpour, MD.
Papers8
Years published2013 to 2025
Joshua Cahan's papers by year, 2013 to 2025
Joshua Cahan's most frequent co-authors
- Roumen D. Balabanov, MD1 shared paper
- Bianca Elena Barcelo, MD1 shared paper
- Borna Bonakdarpour, MD1 shared paper
Recent publications by Joshua Cahan
Neurologic Manifestations of Long COVID Differ Based on Acute COVID-19 Severity (opens in a new tab)
Ann Neurol
COVID-19FatiguePost-Acute COVID-19 Syndrome
See who Joshua Cahan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Joshua Cahan works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Joshua G. Cahan received $232 in industry payments from 2016 to 2024
CMS Open Payments shows 10 general payments to Joshua Cahan from 9 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $69.
General payments to Joshua Cahan by program year, 2016 to 2024
Companies that paid Joshua Cahan the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Joshua G. Cahan'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)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 |
| 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 Joshua G. Cahan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Joshua G. Cahan's NPI number?
Joshua G. Cahan's NPI number is 1912389313. It was assigned on June 22, 2015, and it is active in the NPI Registry.
What does Joshua G. Cahan specialize in?
Joshua G. Cahan is a neurologist in Chicago, Illinois. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Joshua G. Cahan practice?
Joshua Cahan practices at 251 E Huron St, Chicago, IL 60611. Joshua Cahan's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Joshua Cahan to 4 hospitals.
What is Joshua G. Cahan's office phone number?
The practice phone on file for Joshua Cahan is (312) 926-2000.
What is Joshua G. Cahan's medical license number?
Joshua Cahan holds Illinois license 036.149112.
Which hospitals is Joshua G. Cahan affiliated with?
Joshua Cahan practices at Northwestern Memorial Hospital in Chicago, Illinois. Joshua Cahan is also affiliated with Shirley Ryan AbilityLab. Dmand AI links Joshua Cahan to 4 more hospitals.
What medical group is Joshua G. Cahan part of?
Joshua Cahan is linked to Northwestern Medical Faculty Foundation.
Does Joshua G. Cahan accept Medicare?
Yes. CMS data shows Joshua Cahan billed Medicare for 748 services in 2024, and Joshua Cahan accepts Medicare assignment.
Does Joshua G. Cahan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Joshua Cahan as offering telehealth services.
What is Joshua G. Cahan's MIPS score?
Joshua Cahan's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
Show 7 more questionsShow fewer questions
How many Medicare patients does Joshua G. Cahan see?
CMS counts 360 Medicare patients who saw Joshua Cahan in 2024, with an average age of 77.
What services does Joshua G. Cahan bill to Medicare?
In 2024, Joshua Cahan's most billed Medicare services were care management and other visits (99483), medicare service (G2212) and medicare service (G2211).
What drugs does Joshua G. Cahan prescribe most?
In 2024 Medicare Part D data, Joshua Cahan's most prescribed drugs by claims were Donepezil HCl, Memantine HCl and Sertraline HCl.
Has Joshua G. Cahan received payments from drug or device companies?
CMS Open Payments shows $232 in general payments to Joshua Cahan from 9 companies from 2016 to 2024. The largest total came from Eli Lilly and Company.
How long has Joshua G. Cahan been practicing?
Joshua Cahan graduated from medical school in 2015, 11 years ago.
Does Joshua G. Cahan do research?
Dmand AI links 8 publications to Joshua Cahan, published from 2013 to 2025.
Who does Joshua G. Cahan publish with?
Joshua Cahan's most frequent co-authors are Roumen D. Balabanov, MD (1 shared paper), Bianca Elena Barcelo, MD (1 shared paper) and Borna Bonakdarpour, MD (1 shared paper).
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