Mohammad Siddique, M. D.
NPI 1144439456 · Hospitalist Physician · Downers Grove, IL
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mohammad Siddique, M. D. is a Hospitalist Physician provider in Downers Grove, IL (NPI 1144439456).
Provider details
- NPI number
- 1144439456
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M. D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036117676 (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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,011 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 774 | $110 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 651 | $109 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 376 | $76 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 259 | $129 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 233 | $76 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 254 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,735 | 227 |
| Levothyroxine Sodium | 1,308 | 135 |
| Potassium Chloride | 1,091 | 157 |
| Apixabanbrand: Eliquis | 1,089 | 117 |
| Memantine Hcl | 1,006 | 125 |
| Amlodipine Besylate | 1,006 | 119 |
| Escitalopram Oxalate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 6101 S County Line RdBurr Ridge, IL 60527-8132Phone: (630) 686-9000Fax: (844) 235-2578
Registry dates
- Enumerated
- 2007-05-22
- Last updated
- 2025-06-17
- Certified
- 2025-06-17
Frequently asked questions
- What is Mohammad Siddique's NPI number?
- Mohammad Siddique's National Provider Identifier (NPI) is 1144439456, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mohammad Siddique's specialty?
- Mohammad Siddique is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Mohammad Siddique located?
- Mohammad Siddique's practice location on file with NPPES is 2655 Warrenville Rd Ste 500, Downers Grove, IL 60515-5646.
- What is Mohammad Siddique's phone number?
- The practice phone number listed in the NPPES registry for Mohammad Siddique is (866) 949-0108.
- Does Mohammad Siddique accept Medicare?
- Mohammad Siddique is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mohammad Siddique's NPI active?
- Yes — Mohammad Siddique's NPI (1144439456) is active in the NPPES registry as of the last update on 2025-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.