Athar Baig, MD
NPI 1649852492 · Internal Medicine Physician · Ottawa, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Athar Baig, MD is a Internal Medicine Physician provider in Ottawa, IL (NPI 1649852492).
Provider details
- NPI number
- 1649852492
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
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
5 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2021-04-22
- Last updated
- 2025-06-12
- Certified
- 2025-06-12
Frequently asked questions
- What is Athar Baig's NPI number?
- Athar Baig's National Provider Identifier (NPI) is 1649852492, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Athar Baig's specialty?
- Athar Baig is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Athar Baig located?
- Athar Baig's practice location on file with NPPES is 1100 E Norris Dr, Ottawa, IL 61350-1604.
- What is Athar Baig's phone number?
- The practice phone number listed in the NPPES registry for Athar Baig is (815) 433-3100.
- Does Athar Baig accept Medicare?
- Athar Baig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Athar Baig's NPI active?
- Yes — Athar Baig's NPI (1649852492) is active in the NPPES registry as of the last update on 2025-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.