OSAMA M. ALASSI M.D.
NPI 1033127741
Pathology - Anatomic Pathology & Clinical Pathology in Royal Oak, MI

Q: What is Osama Alassi's NPI number?

The NPI number for Osama Alassi is 1033127741. It was assigned to this individual provider in the NPPES registry on August 4, 2006.

Q: What is Osama Alassi's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Osama Alassi was last updated on March 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 04, 2006PECOS EnrolledAccepts Medicare Assignment

3601 W 13 MILE RD, ROYAL OAK, MI 48073(248) 898-9060(248) 898-9054 Get Directions Write a Review

NPPES record last updated: March 16, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 16, 2023, Oct 6, 2022, Nov 13, 2019 (3 updates tracked since 2019).

On this page

About Osama M. Alassi M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

OSAMA M. ALASSI M.D. (NPI 1033127741) is an individual anatomic pathology & clinical pathology provider in Royal Oak, Michigan, licensed in Michigan (4301077763) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital - Dearborn, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1033127741

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameOSAMA M. ALASSICredential: M.D.

Location Address3601 W 13 MILE RDRoyal Oak, MI 48073-6712

Mailing Address26901 Beaumont Blvd Ste 3dSouthfield, MI 48033-3849 · (947) 522-1848 · Fax (947) 522-0307

Phone(248) 898-9060

Fax(248) 898-9054

Sole ProprietorNo

Medical School CMSOtherGraduated 1999

Enumeration DateAugust 4, 2006

Last NPPES UpdateMarch 16, 20233 updates tracked since enumeration

NPPES CertifiedMarch 16, 2023

✔ NPI 1033127741 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in MI · 4301077763

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

Also ListedPathology · CytopathologyTaxonomy 207ZC0500X · License 4301077763 (MI)

3601 W 13 MILE RD, Royal Oak, MI 48073

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Secondary Practice Locations 3

Location 1468 Cadieux RdGrosse Pointe, MI 48230-1507 · Phone (313) 473-1615

Location 244201 Dequindre RdTroy, MI 48085-1117 · Phone (248) 964-4130

Location 318101 Oakwood BlvdDearborn, MI 48124-4089 · Phone (313) 593-7965

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Osama M. Alassi M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8921000498

PECOS Enrollment IDI20070213000233, I20251125000928

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Osama Alassi reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Beaumont Medical Group Hospital -Based Services

0.2 mi

Hospitalist

3601 W 13 MILE RD
Royal Oak, MI 48073

Reassigned Medicare billing, Michigan enrollment
946 clinicians in this Medicare group

NPI 1427567858 (248) 898-5000

Gastrointestinal Specialists PC

3.2 mi

Gastroenterology

264 W MAPLE RD, #200
Troy, MI 48084

Reassigned Medicare billing, Michigan enrollment
17 clinicians in this Medicare group

NPI 1780750125 (248) 273-9930

Henry Ford Health System

11 mi

Pediatrics

2799 W GRAND BLVD
Detroit, MI 48202

Reassigned Medicare billing, Michigan enrollment
1,886 clinicians in this Medicare group

NPI 1003990318 (313) 916-2600

Integrated Regional Laboratories Pathology Services, LLC

1,111 mi

Anatomic Pathology & Clinical Pathology

5301 S CONGRESS AVE, C/O JFK MEDICAL CENTER LABORATORY
Atlantis, FL 33462

Reassigned Medicare billing, Florida enrollment
143 clinicians in this Medicare group

NPI 1942526298 (954) 777-0018

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

359 services242 patients

Microscopic genetic analysis of tumor, using computer-assisted technology 88361

Microscopic genetic analysis of a tumor uses advanced computer technology to examine the genetic makeup of the tumor cells. This helps to understand the tumor better and tailor a treatment plan. It's a non-invasive procedure and provides valuable insights for your healthcare team.

196 services96 patients

Cell examination of specimen, selective cellular enhancement technique 88112

Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.

110 services94 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

110 services29 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

64 services34 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

49 services47 patients

Microscopic genetic analysis of tumor, manual 88360

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

36 services35 patients

Evaluation of fine needle aspirate with interpretation and report 88173

This procedure involves using a thin needle to collect a small sample from an abnormal area or lump. The sample is then examined under a microscope to identify any potential issues. A report of the findings is provided for further analysis.

24 services23 patients

Pathology examination of tissue using a microscope, limited examination 88300

A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.

20 services19 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

20 services19 patients

Microscopic genetic analysis of tissue, computer-assisted technology, initial procedure, each multiplex procedure 88374

This procedure involves analyzing tissue at a genetic level using a microscope and advanced computer technology. The initial process involves the collection and preparation of tissue samples. Each multiplex procedure refers to the simultaneous testing of multiple genetic markers to identify abnormalities.

16 services16 patients

Genetic sequencing localization, each multiplex procedure 88366

Genetic sequencing localization, each multiplex procedure, is a method used to identify specific areas in your DNA. It involves studying multiple genes at once to detect variations or mutations that might be linked to certain health conditions. This process helps in understanding your genetic makeup and potential health risks.

15 services15 patients

Pap test 88141

A Pap test is a routine exam that checks for changes in cells that could signal a health concern. During this test, a small sample of cells is gently collected from the lower region of the body. The sample is then examined under a microscope to ensure everything looks normal.

12 services12 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Beaumont Hospital - Dearborn

Acute Care Hospitals · Dearborn, MI

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230020

Location18101 Oakwood BlvdDearborn, MI 48124 · Wayne County

Emergency services Birthing friendly

University Of Michigan Health System

Acute Care Hospitals · Ann Arbor, MI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230046

Location1500 E Medical Center Drive, Spc 5474Ann Arbor, MI 48109 · Washtenaw County

Emergency services Birthing friendly

Beaumont Hospital Royal Oak

Acute Care Hospitals · Royal Oak, MI

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230130

Location3601 W Thirteen Mile RdRoyal Oak, MI 48073 · Oakland County

Emergency services Birthing friendly

Corewell Health Trenton Hospital

Acute Care Hospitals · Trenton, MI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230176

Location5450 Fort StreetTrenton, MI 48183 · Wayne County

Emergency services Birthing friendly

Beaumont Hospital - Taylor

Acute Care Hospitals · Taylor, MI

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230270

Location10000 Telegraph RoadTaylor, MI 48180 · Wayne County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48073 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$134.28 typical visit price

range $58.04 – $177.36

Typical copayment $33.57 (range $14.51 – $44.34)

Most-billed visit code 99204

Established Patient

$102.35 typical visit price

range $18.32 – $143.49

Typical copayment $25.58 (range $4.58 – $35.87)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMIT BAHL MD, MPH

Emergency Medicine

3601 W 13 MILE RD, WILLIAM BEAUMONT HOSPITAL
ROYAL OAK, MI 48073

Oakland County (248) 898-0575

CATHERINE LEE PA

Physician Assistant