OSAMA METHQAL AHMAD DIAB M.D
NPI 1528443397
Internal Medicine - Hematology & Oncology in Westwood, KS
About Osama Methqal Ahmad Diab M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OSAMA METHQAL AHMAD DIAB M.D (NPI 1528443397) is an individual hematology & oncology provider in Westwood, Kansas, licensed in Kansas (94-09444) and active in the NPI registry since July 2015. He is enrolled in Medicare PECOS, is affiliated with University Of Kansas Health System - St Francis Campus, and maintains a secondary practice location in Omaha.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted 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 Methqal Ahmad Diab 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.
Medicare Billing Reassignment
Medicare enrollment records show Osama Diab reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Valley Falls, KS 66088
- Reassigned Medicare billing, Kansas enrollment
- 215 clinicians in this Medicare group
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 10
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Kansas Health System - St Francis Campus
Acute Care Hospitals · Topeka, KSStormont Vail Hospital
Acute Care Hospitals · Topeka, KSHolton Community Hospital
Critical Access Hospitals · Holton, KSGreat Plains Of Sabetha
Critical Access Hospitals · Sabetha, KSCoffey County Hospital
Critical Access Hospitals · Burlington, KSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 66205 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WESTWOOD, KS 66205
WESTWOOD, KS 66205
WESTWOOD, KS 66205
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Osama Diab's NPI number?
The NPI number for Osama Diab is 1528443397. It was assigned to this individual provider in the NPPES registry on July 22, 2015.
Where is Osama Diab located?
Osama Diab practices at 2330 Shawnee Mission Pkwy Ste 210, Westwood, KS 66205. The listed phone number is (913) 588-0348.
What is Osama Diab's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Osama Diab enrolled in Medicare?
Yes. Osama Diab is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Osama Diab's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Osama Diab reassigns Medicare benefits to Topeka Physician Group, LLC (Valley Falls, KS). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Osama Diab's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Osama Diab accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Blue Cross and Blue Shield of Kansas, Inc. and 2 other insurers list Osama Diab as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Osama Diab affiliated with any hospitals?
According to CMS data, Osama Diab is affiliated with University Of Kansas Health System - St Francis Campus, Stormont Vail Hospital, Holton Community Hospital, Great Plains Of Sabetha and Coffey County Hospital.
When was this NPI record last updated?
The NPPES record for Osama Diab was last updated on July 11, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Osama Methqal Ahmad Diab, M.D · NPI 1528443397
Hematology & Oncology physician in Westwood, Kansas. Individual provider, active in the CMS NPPES registry since July 22, 2015.
## Identity
- **NPI:** 1528443397 (Entity type: Individual)
- **Enumerated:** July 22, 2015
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 94-09444 (Kansas)
- **Sole proprietor:** No
## Practice location
- **Address:** 2330 SHAWNEE MISSION PKWY STE 210, Westwood, KS 66205-2005
- **Phone:** (913) 588-0348
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Topeka Physician Group, LLC (NPI 1902395262, Valley Falls, KS), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Kansas City University Of Physicians And Surgeons, class of 2018
## Record status
- **NPPES last updated:** July 11, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1528443397) · Data from the CMS NPPES public registry.