Youssef Jamal Shammaa, M.D.
Pulmonary Disease · Sleep Medicine (CMS) · Mount Vernon, IL
At a glance
2 Good Samaritan Way, Mount Vernon, IL 62864-2408
NPPES record updated Aug 14, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
2 Good Samaritan WayMount Vernon, IL 62864-2408
Additional reported practice locations
475 Seaview AvenueState Island, NY 103052239
Phone: 7182268855
Fax: 7182261347
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2016
- CMS specialties
- Pulmonary Disease · Sleep Medicine
Practice groups
Reported hospital affiliations
- Clay County Hospital Flora, IL
- Deaconess Illinois Crossroads Mount Vernon, IL
- Good Samaritan Regional Hlth Center Mount Vernon, IL
- Ssm Health St Mary's Hospital -Centralia Centralia, IL
- Washington County Hospital Nashville, IL
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Pulmonary Disease · Sleep Medicine (CMS)
- Taxonomy code
- 207RP1001X
- Enumeration date
- Aug 1, 2017
- Record updated
- Aug 14, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207R00000X
License reported: 308231-01 NY
207RP1001X
License reported: 4301511751 MI
207RS0012X
License reported: 036.175098 IL
207RP1001X · Primary
License reported: 036.175098 IL
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
2 Good Samaritan WayMount Vernon, IL 62864-2408
- Phone
- (618) 899-4000
Mailing address
105 SPARTAN CIRCLEAPT 1
O FALLON, IL 62269
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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