Mahreen Bux, DO, MBA, MPH
NPI 1588244859 · Family Medicine Physician · St Charles, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mahreen Bux, DO, MBA, MPH is a Family Medicine Physician provider in St Charles, IL (NPI 1588244859).
Provider details
- NPI number
- 1588244859
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO, MBA, MPH
- Sex
- Female
- Sole proprietor
- No
- License
- 036-171792 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
120 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 59 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 33 | $94 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 28 | $9 |
Typical Medicare-allowed amounts for these services range $9–$132 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 37 | 33 |
| Azithromycin | 21 | 21 |
| Losartan Potassium | 19 | — |
| Prednisone | 17 | 16 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 14 | 14 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 13 | 13 |
| Loperamide Hclbrand: Loperamide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$137 across 2 records (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
Registry dates
- Enumerated
- 2021-04-12
- Last updated
- 2024-09-06
- Certified
- 2024-09-06
Frequently asked questions
- What is Mahreen Bux's NPI number?
- Mahreen Bux's National Provider Identifier (NPI) is 1588244859, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mahreen Bux's specialty?
- Mahreen Bux is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mahreen Bux located?
- Mahreen Bux's practice location on file with NPPES is 3310 W Main St Ste 100, St Charles, IL 60175-1024.
- What is Mahreen Bux's phone number?
- The practice phone number listed in the NPPES registry for Mahreen Bux is (630) 377-2800.
- Does Mahreen Bux accept Medicare?
- Mahreen Bux is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mahreen Bux's NPI active?
- Yes — Mahreen Bux's NPI (1588244859) is active in the NPPES registry as of the last update on 2024-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.