Osama Ayad, MD, FACP
NPI 1427162288 · Internal Medicine Physician · Merrillville, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Osama Ayad, MD, FACP is a Internal Medicine Physician provider in Merrillville, IN (NPI 1427162288).
Provider details
- NPI number
- 1427162288
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, FACP
- Sex
- Male
- Sole proprietor
- Yes
- License
- 01066512A (IN)
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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,000 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 | 1,361 | $73 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 267 | $120 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 192 | $74 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 84 | $106 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians andG0180 | 49 | $49 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 72 | 35 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 63 | 57 |
| Furosemide | 62 | 40 |
| Atorvastatin Calcium | 61 | 30 |
| Pantoprazole Sodium | 46 | 28 |
| Lisinopril | 44 | 18 |
| Cefuroxime Axetilbrand: Cefuroxime |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-18
- Last updated
- 2021-01-11
- Certified
- 2021-01-11
Frequently asked questions
- What is Osama Ayad's NPI number?
- Osama Ayad's National Provider Identifier (NPI) is 1427162288, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Osama Ayad's specialty?
- Osama Ayad is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Osama Ayad located?
- Osama Ayad's practice location on file with NPPES is 370 E 84th Dr Ste 200, Merrillville, IN 46410-6643.
- What is Osama Ayad's phone number?
- The practice phone number listed in the NPPES registry for Osama Ayad is (121) 983-6109.
- Does Osama Ayad accept Medicare?
- Osama Ayad is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Osama Ayad's NPI active?
- Yes — Osama Ayad's NPI (1427162288) is active in the NPPES registry as of the last update on 2021-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.