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

Robert Carroll Nichols, MD

Individual provider Family Medicine Physician · NPI 1518942333

Robert Carroll Nichols, MD is registered under Family Practice in San Antonio, Texas. Graduated from University of Texas Medical Branch at Galveston in 2002, 24 years ago. Practices with Gmg Health Systems Associates PA, a 116-clinician group and accepts Medicare assignment. Licensed in Florida, North Carolina and Texas.

Years since qualifying
24
Trained at
University of Texas Medical Branch at Galveston
Licensed in
FL, NC, TX
In the registry since
2005
Specialties on file
3
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

7219 Culebra Rd
San Antonio, TX 78251
Phone: (210) 509-2603
Fax: (210) 334-2851
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence L8456 (TX)
Family Medicine Physician Taxonomy 207Q00000X · Licence ME112824 (FL)
Family Medicine Physician Taxonomy 207Q00000X · Licence 2009-00826 (NC)

Record details

NPI number1518942333
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 14, 2005
Last updated in NPPESJuly 30, 2018

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated 2002 (24 years in practice)
Group practice Gmg Health Systems Associates Pa — 116 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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 patients104
Services billed 386 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

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.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $196 10 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Colleagues at Gmg Health Systems Associates PA

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 116 clinicians in the practice; 12 are shown here.

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