OrganizationActive
Medical Specialist
NPI 1033396239 · Internal Medicine Physician · Chicago, IL
Medical Specialist is a Internal Medicine Physician organization in Chicago, IL (NPI 1033396239).
Provider details
- NPI number
- 1033396239
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Birinder Marwah, Physician(773) 592-7235
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(88/100 index)
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
400 E 41st St
Chicago, IL 60653-3071
Phone: (773) 592-7235
Street-level locationGet directions
Mailing address
30 Hamilton Ln
Oak Brook, IL 60523-1753
Registry dates
- Enumerated
- 2008-01-30
- Last updated
- 2008-01-30
Frequently asked questions
- What is Medical Specialist's NPI number?
- Medical Specialist's National Provider Identifier (NPI) is 1033396239, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Medical Specialist?
- Medical Specialist is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Medical Specialist located?
- Medical Specialist's practice location on file with NPPES is 400 E 41st St, Chicago, IL 60653-3071.
- What is Medical Specialist's phone number?
- The practice phone number listed in the NPPES registry for Medical Specialist is (773) 592-7235.
- Who is the authorized official for Medical Specialist?
- The authorized official listed on Medical Specialist's NPPES record is Birinder Marwah, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Medical Specialist's NPI active?
- Yes — Medical Specialist's NPI (1033396239) is active in the NPPES registry as of the last update on 2008-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.