Ruben Martinez
NPI 1558111351 · Internal Medicine Physician · Oak Lawn, IL
Ruben Martinez is a Internal Medicine Physician provider in Oak Lawn, IL (NPI 1558111351).
Provider details
- NPI number
- 1558111351
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 125084130 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-03-25
- Last updated
- 2024-07-01
- Certified
- 2024-07-01
Frequently asked questions
- What is Ruben Martinez's NPI number?
- Ruben Martinez's National Provider Identifier (NPI) is 1558111351, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruben Martinez's specialty?
- Ruben Martinez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ruben Martinez located?
- Ruben Martinez's practice location on file with NPPES is 4220 W 95th St Ste 200, Oak Lawn, IL 60453-3072.
- What is Ruben Martinez's phone number?
- The practice phone number listed in the NPPES registry for Ruben Martinez is (708) 398-0287.
- Is Ruben Martinez's NPI active?
- Yes — Ruben Martinez's NPI (1558111351) is active in the NPPES registry as of the last update on 2024-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.