Maaroof Islam, M.D.
NPI 1548656747 · Hospitalist Physician · O Fallon, IL
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maaroof Islam, M.D. is a Hospitalist Physician provider in O Fallon, IL (NPI 1548656747).
Provider details
- NPI number
- 1548656747
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036146913 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 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
872 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 50 Minutes99233 | 526 | $117 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 133 | $111 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 61 | $75 |
| Critical Care, First 30-74 Minutes99291 | 61 | $214 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 58 | $170 |
| Advance Care Planning, First 30 Minutes99497 | 33 | $74 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 37 | 28 |
| Furosemide | 35 | 24 |
| Losartan Potassium | 21 | — |
| Cephalexin | 21 | 21 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 16 | 16 |
| Amlodipine Besylate | 15 | 14 |
| Pantoprazole Sodium |
Practice location
Mailing address
Additional practice locations (1)
- 7900 Lees Summit RdKansas City, MO 64139-1236Phone: (816) 404-4862
Registry dates
- Enumerated
- 2015-04-14
- Last updated
- 2018-07-23
Frequently asked questions
- What is Maaroof Islam's NPI number?
- Maaroof Islam's National Provider Identifier (NPI) is 1548656747, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maaroof Islam's specialty?
- Maaroof Islam is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Maaroof Islam located?
- Maaroof Islam's practice location on file with NPPES is 1 Saint Elizabeth Blvd, O Fallon, IL 62269.
- What is Maaroof Islam's phone number?
- The practice phone number listed in the NPPES registry for Maaroof Islam is (816) 234-2120.
- Does Maaroof Islam accept Medicare?
- Maaroof Islam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maaroof Islam's NPI active?
- Yes — Maaroof Islam's NPI (1548656747) is active in the NPPES registry as of the last update on 2018-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.