Mahmoud Okash, MD
NPI 1194129692 · General Practice Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mahmoud Okash, MD is a General Practice Physician provider in Chicago, IL (NPI 1194129692).
Provider details
- NPI number
- 1194129692
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036150916 (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
11 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
2,186 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 | 778 | $108 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 430 | $75 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 198 | $73 |
| Removal of Skin and Tissue, Each Additional 20.0 Sq Cm Or Less11045 | 166 | $42 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 162 | $135 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 29 | 22 |
| Amlodipine Besylate | 28 | 16 |
| Collagenase Clostridium Hist.brand: Santyl | 25 | 21 |
| Metoprolol Succinate | 22 | 12 |
| Losartan Potassium | 21 | 11 |
| Furosemide | 18 | 13 |
| Allopurinol | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$398 across 3 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
- 2014-10-14
- Last updated
- 2023-04-13
- Certified
- 2023-04-13
Frequently asked questions
- What is Mahmoud Okash's NPI number?
- Mahmoud Okash's National Provider Identifier (NPI) is 1194129692, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mahmoud Okash's specialty?
- Mahmoud Okash is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Mahmoud Okash located?
- Mahmoud Okash's practice location on file with NPPES is 5841 S Maryland Ave # Mc5040, Chicago, IL 60637-1443.
- What is Mahmoud Okash's phone number?
- The practice phone number listed in the NPPES registry for Mahmoud Okash is (773) 702-1000.
- Does Mahmoud Okash accept Medicare?
- Mahmoud Okash is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mahmoud Okash's NPI active?
- Yes — Mahmoud Okash's NPI (1194129692) is active in the NPPES registry as of the last update on 2023-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.