Mark Winston Smith, M.D.
Critical Care (Intensivists) · Internal Medicine · Pulmonary Disease (CMS) · Texarkana, TX
At a glance
2602 Saint Michael Dr Ste 400, Texarkana, TX 75503
NPPES record updated Jan 21, 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
2602 Saint Michael Dr Ste 400Texarkana, TX 75503
Additional reported practice locations
401 S Fair Oaks AvePasadena, CA 911052603
Phone: 6267952244 619 S Fleishel Ave Ste 100
Tyler, TX 757012004
Phone: 9036062830
Fax: 9036062838 600 Elizabeth St
Corpus Christi, TX 784042235
Phone: 3618813000
Fax: 3618813149 800 E Dawson St
Tyler, TX 757012036
Phone: 9036065864
Education & affiliations
- Medical / professional school
- University Of Southern California Keck School Of Medicine
- Graduation year
- 2005
- CMS specialties
- Critical Care (Intensivists) · Internal Medicine · Pulmonary Disease
Practice groups
Reported hospital affiliations
- Antelope Valley Hospital Lancaster, CA
- Christus Mother Frances Hospital Tyler, TX
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.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
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
- Critical Care (Intensivists) · Internal Medicine · Pulmonary Disease (CMS)
- Taxonomy code
- 207RP1001X
- Enumeration date
- Nov 15, 2006
- Record updated
- Jan 21, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207R00000X
License reported: A96979 CA
207RC0200X
License reported: R3217 TX
207RP1001X · Primary
License reported: R3217 TX
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
2602 Saint Michael Dr Ste 400Texarkana, TX 75503
- Phone
- (903) 614-5670
- Fax
- (903) 614-5674
Mailing address
2900 SAINT MICHAEL DR STE 401TEXARKANA, TX 755035211
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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