Mohamed Nahhas, MD
NPI 1538119490 · Internal Medicine Physician · Palos Heights, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mohamed Nahhas, MD is a Internal Medicine Physician provider in Palos Heights, IL (NPI 1538119490).
Provider details
- NPI number
- 1538119490
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036075723 (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
20 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
2,304 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 | 636 | $132 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 350 | $24 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 310 | $81 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 285 | $122 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 143 | $178 |
| Emergency Department Visit With High Level of Medical Decision Making |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 380 | 80 |
| Amlodipine Besylate | 186 | 51 |
| Furosemide | 162 | 38 |
| Apixabanbrand: Eliquis | 138 | 23 |
| Metoprolol Succinate | 137 | 39 |
| Metoprolol Tartrate | 104 | 20 |
| Allopurinol | 98 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,389 across 16 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
- 2006-05-11
- Last updated
- 2020-05-21
- Certified
- 2020-05-21
Frequently asked questions
- What is Mohamed Nahhas's NPI number?
- Mohamed Nahhas's National Provider Identifier (NPI) is 1538119490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mohamed Nahhas's specialty?
- Mohamed Nahhas is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mohamed Nahhas located?
- Mohamed Nahhas's practice location on file with NPPES is 12307 S Harlem Ave, Palos Heights, IL 60463.
- What is Mohamed Nahhas's phone number?
- The practice phone number listed in the NPPES registry for Mohamed Nahhas is (708) 448-2666.
- Does Mohamed Nahhas accept Medicare?
- Mohamed Nahhas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mohamed Nahhas's NPI active?
- Yes — Mohamed Nahhas's NPI (1538119490) is active in the NPPES registry as of the last update on 2020-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.