Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mark Nadeau, MD

Individual provider Family Medicine Physician · NPI 1821009630

Mark Nadeau, MD is registered under Family Practice in San Antonio, Texas. Graduated from University of Virginia School of Medicine in 1982, 44 years ago. Practices with University of Texas Health Science Center at San Antonio, a 1,295-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
44
Trained at
University of Virginia School of Medicine
Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

7703 Floyd Curl Dr Mc 7977
San Antonio, TX 78229-3901
Phone: (210) 257-1400
Fax: (210) 257-1428
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1831 S General McMullen Dr, San Antonio, TX 78226-1190 — (210) 644-8500

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G5422 (TX)

Record details

NPI number1821009630
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 10, 2006
Last updated in NPPESMay 29, 2024
Certification dateMay 29, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF VIRGINIA SCHOOL OF MEDICINE
Graduated 1982 (44 years in practice)
Group practice University Of Texas Health Science Center At San Antonio — 1295 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Removal of skin lesions 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients58
Services billed 124 a service is one billed item, such as a visit, a test or a procedure
Average patient age69

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at University of Texas Health Science Center at San Antonio

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1295 clinicians in the practice; 12 are shown here.

Other providers in San Antonio