Joshua Cahan
NPI 1912389313 · Neurology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joshua Cahan is a Neurology Physician provider in Chicago, IL (NPI 1912389313).
Provider details
- NPI number
- 1912389313
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 125.067032 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
748 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Assessment of and Care Planning for Patient With Impaired Thought Processing, Typically 60 Minutes99483 | 182 | $288 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 156 | $35 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 105 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 99 | $193 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 57 | $204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 680 | 200 |
| Memantine Hcl | 325 | 85 |
| Sertraline Hcl | 186 | 44 |
| Quetiapine Fumarate | 87 | 32 |
| Mirtazapine | 82 | 13 |
| Trazodone Hcl | 55 | 17 |
| Galantamine Hbr | 40 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$94 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 4646 N Marine DrChicago, IL 60640-5759Phone: (773) 878-8700
Registry dates
- Enumerated
- 2015-06-22
- Last updated
- 2019-04-21
Frequently asked questions
- What is Joshua Cahan's NPI number?
- Joshua Cahan's National Provider Identifier (NPI) is 1912389313, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Cahan's specialty?
- Joshua Cahan is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Joshua Cahan located?
- Joshua Cahan's practice location on file with NPPES is 251 E Huron St, Chicago, IL 60611-2908.
- What is Joshua Cahan's phone number?
- The practice phone number listed in the NPPES registry for Joshua Cahan is (312) 926-2000.
- Does Joshua Cahan accept Medicare?
- Joshua Cahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joshua Cahan's NPI active?
- Yes — Joshua Cahan's NPI (1912389313) is active in the NPPES registry as of the last update on 2019-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.