Arthur L Ostrowski MD Sc
NPI 1518156280 · Internal Medicine Physician · Barrington, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arthur L Ostrowski MD Sc is a Internal Medicine Physician organization in Barrington, IL (NPI 1518156280).
Provider details
- NPI number
- 1518156280
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Arthur Ostrowski, President(847) 382-5850
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Internal Medicine Physician207R00000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2007-10-18
- Last updated
- 2007-10-18
Frequently asked questions
- What is Arthur L Ostrowski MD Sc's NPI number?
- Arthur L Ostrowski MD Sc's National Provider Identifier (NPI) is 1518156280, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Arthur L Ostrowski MD Sc?
- Arthur L Ostrowski MD Sc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Arthur L Ostrowski MD Sc located?
- Arthur L Ostrowski MD Sc's practice location on file with NPPES is 800 Fox Gln, Barrington, IL 60010-1860.
- What is Arthur L Ostrowski MD Sc's phone number?
- The practice phone number listed in the NPPES registry for Arthur L Ostrowski MD Sc is (847) 382-5850.
- Does Arthur L Ostrowski MD Sc accept Medicare?
- Arthur L Ostrowski MD Sc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Arthur L Ostrowski MD Sc?
- The authorized official listed on Arthur L Ostrowski MD Sc's NPPES record is Arthur Ostrowski, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Arthur L Ostrowski MD Sc's NPI active?
- Yes — Arthur L Ostrowski MD Sc's NPI (1518156280) is active in the NPPES registry as of the last update on 2007-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.