Osama Alassi, M.D.
NPI 1033127741 · Anatomic Pathology & Clinical Pathology Physician · Royal Oak, MI
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Osama Alassi, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Royal Oak, MI (NPI 1033127741).
Provider details
- NPI number
- 1033127741
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301077763 (MI)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,031 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 359 | $35 |
| Microscopic Genetic Analysis of Tumor, Using Computer-Assisted Technology88361 | 196 | $41 |
| Cell Examination of Specimen, Selective Cellular Enhancement Technique88112 | 110 | $26 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 110 | $27 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 64 | $78 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 49 | $33 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$113 across 1 record (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
Additional practice locations (3)
- 18101 Oakwood BlvdDearborn, MI 48124-4089Phone: (313) 593-7965
- 468 Cadieux RdGrosse Pointe, MI 48230-1507Phone: (313) 473-1615
- 44201 Dequindre RdTroy, MI 48085-1117Phone: (248) 964-4130
Registry dates
- Enumerated
- 2006-08-04
- Last updated
- 2023-03-16
- Certified
- 2023-03-16
Frequently asked questions
- What is Osama Alassi's NPI number?
- Osama Alassi's National Provider Identifier (NPI) is 1033127741, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Osama Alassi's specialty?
- Osama Alassi is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Osama Alassi located?
- Osama Alassi's practice location on file with NPPES is 3601 W 13 Mile Rd, Royal Oak, MI 48073-6712.
- What is Osama Alassi's phone number?
- The practice phone number listed in the NPPES registry for Osama Alassi is (248) 898-9060.
- Does Osama Alassi accept Medicare?
- Osama Alassi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Osama Alassi's NPI active?
- Yes — Osama Alassi's NPI (1033127741) is active in the NPPES registry as of the last update on 2023-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.