Shaji Baig, MD
NPI 1023216405 · Hospitalist Physician · Mchenry, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shaji Baig, MD is a Hospitalist Physician provider in Mchenry, IL (NPI 1023216405).
Provider details
- NPI number
- 1023216405
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 336.085171 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
574 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 210 | $76 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 177 | $115 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 100 | $110 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 31 | $126 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 30 | $167 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 26 |
Practice location
Mailing address
Additional practice locations (1)
- 1750 N Randall RdSuite 110Elgin, IL 60123-7900Phone: (224) 856-2284
Registry dates
- Enumerated
- 2007-07-06
- Last updated
- 2018-05-14
Frequently asked questions
- What is Shaji Baig's NPI number?
- Shaji Baig's National Provider Identifier (NPI) is 1023216405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shaji Baig's specialty?
- Shaji Baig is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Shaji Baig located?
- Shaji Baig's practice location on file with NPPES is 4309 W Medical Center Dr Ste A102, Mchenry, IL 60050.
- What is Shaji Baig's phone number?
- The practice phone number listed in the NPPES registry for Shaji Baig is (815) 759-4323.
- Does Shaji Baig accept Medicare?
- Shaji Baig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shaji Baig's NPI active?
- Yes — Shaji Baig's NPI (1023216405) is active in the NPPES registry as of the last update on 2018-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.