Max Ruben, MD
NPI 1073137279 · Family Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Max Ruben, MD is a Family Medicine Physician provider in Chicago, IL (NPI 1073137279).
Provider details
- NPI number
- 1073137279
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036.161824 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 69 | 35 |
| Gabapentin | 27 | — |
| Empagliflozinbrand: Jardiance | 25 | — |
| Amlodipine Besylate | 22 | 12 |
| Insulin Glargine,hum.rec.anlogbrand: Basaglar Kwikpen U-100 | 18 | — |
| Losartan Potassium | 17 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$24 across 1 record (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
Registry dates
- Enumerated
- 2020-06-03
- Last updated
- 2023-06-29
- Certified
- 2023-06-29
Frequently asked questions
- What is Max Ruben's NPI number?
- Max Ruben's National Provider Identifier (NPI) is 1073137279, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Max Ruben's specialty?
- Max Ruben is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Max Ruben located?
- Max Ruben's practice location on file with NPPES is 5359 W Fullerton Ave, Chicago, IL 60639-1450.
- What is Max Ruben's phone number?
- The practice phone number listed in the NPPES registry for Max Ruben is (773) 836-2785.
- Does Max Ruben accept Medicare?
- Max Ruben is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Max Ruben's NPI active?
- Yes — Max Ruben's NPI (1073137279) is active in the NPPES registry as of the last update on 2023-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.