Muhammad Umer Altaf, MD
NPI 1427542414 · Hospitalist Physician · Elmhurst, IL
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Muhammad Umer Altaf, MD is a Hospitalist Physician provider in Elmhurst, IL (NPI 1427542414).
Provider details
- NPI number
- 1427542414
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036155207 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 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
1,056 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 | 567 | $73 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 190 | $109 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 184 | $105 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 84 | $160 |
| Advance Care Planning, First 30 Minutes99497 | 31 | $68 |
Typical Medicare-allowed amounts for these services range $68–$160 (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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 47 | 46 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 36 | 36 |
| Prednisone | 32 | 32 |
| Doxycycline Hyclate | 23 | 23 |
| Furosemide | 23 | 21 |
| Atorvastatin Calcium | 22 | 22 |
| Clopidogrel Bisulfatebrand: Clopidogrel |
Practice location
Mailing address
Additional practice locations (1)
- 85 E US Highway 6Valparaiso, IN 46383-8947Phone: (219) 983-8300
Registry dates
- Enumerated
- 2018-06-21
- Last updated
- 2025-02-24
- Certified
- 2025-02-24
Frequently asked questions
- What is Muhammad Umer Altaf's NPI number?
- Muhammad Umer Altaf's National Provider Identifier (NPI) is 1427542414, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Muhammad Umer Altaf's specialty?
- Muhammad Umer Altaf is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Muhammad Umer Altaf located?
- Muhammad Umer Altaf's practice location on file with NPPES is 155 E Brush Hill Rd, Elmhurst, IL 60126-5658.
- What is Muhammad Umer Altaf's phone number?
- The practice phone number listed in the NPPES registry for Muhammad Umer Altaf is (331) 221-8952.
- Does Muhammad Umer Altaf accept Medicare?
- Muhammad Umer Altaf is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Muhammad Umer Altaf's NPI active?
- Yes — Muhammad Umer Altaf's NPI (1427542414) is active in the NPPES registry as of the last update on 2025-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.