Dr. Zareena Abbas M.D., S.c.
NPI 1861670762 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dr. Zareena Abbas M.D., S.c. is a Internal Medicine Physician organization in Chicago, IL (NPI 1861670762).
Provider details
- NPI number
- 1861670762
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Daniel Brown, Manager(630) 995-9290
Specialties & taxonomies
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
- 2008-02-04
- Last updated
- 2025-07-21
- Certified
- 2025-07-21
Frequently asked questions
- What is Dr. Zareena Abbas M.D., S.c.'s NPI number?
- Dr. Zareena Abbas M.D., S.c.'s National Provider Identifier (NPI) is 1861670762, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr. Zareena Abbas M.D., S.c.?
- Dr. Zareena Abbas M.D., S.c. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dr. Zareena Abbas M.D., S.c. located?
- Dr. Zareena Abbas M.D., S.c.'s practice location on file with NPPES is 5140 N California Ave Ste 505, Chicago, IL 60625-2577.
- What is Dr. Zareena Abbas M.D., S.c.'s phone number?
- The practice phone number listed in the NPPES registry for Dr. Zareena Abbas M.D., S.c. is (773) 561-5000.
- Does Dr. Zareena Abbas M.D., S.c. accept Medicare?
- Dr. Zareena Abbas M.D., S.c. 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 Dr. Zareena Abbas M.D., S.c.?
- The authorized official listed on Dr. Zareena Abbas M.D., S.c.'s NPPES record is Daniel Brown, Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr. Zareena Abbas M.D., S.c.'s NPI active?
- Yes — Dr. Zareena Abbas M.D., S.c.'s NPI (1861670762) is active in the NPPES registry as of the last update on 2025-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.