Mark Christopher Gwin, FNP
Family Nurse Practitioner · San Antonio, TX
Mark Christopher Gwin, FNP is a family nurse practitioner with a practice address in San Antonio, Texas, and NPI 1942900295, issued on Mar 6, 2023. Check the license (Texas 1124686, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Christopher Gwin
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 1124686 TX
Self-reported in NPPES; status is on the state search - Practice location
- 302 W Rector St, San Antonio, TX 78216
- Phone
- (210) 358-0800
- Enumerated
- Mar 6, 2023
- Record last updated
- Jan 9, 2026
- Fax
- (210) 358-0850
- Medicare enrollment
- Enrolled (PECOS I20230728001719); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Also registered at 302 W Rector St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Christopher Gwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 1124686Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average family nurse practitioner in 2024
1,302 Medicare Part D claims for 309 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium62 claims
- Lisinopril57 claims
- Losartan Potassium53 claims
- Albuterol Sulfate Hfa52 claims
- Amlodipine Besylate41 claims
- Ozempic41 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Community Medicine AssociatesSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Christopher Gwin among 21,242 family nurse practitioner records in Texas
Mark Christopher Gwin, FNP is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 80% of them.
- NPI issued2023 · 80% of these records are older, 14% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2023 · median 2018 among the 11,286 with a school on file
- Record last updated2026 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,362 family nurse practitioner records list a practice address in San Antonio
They are 1,362 of the 37,749 NPPES records with a practice address in San Antonio, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in San Antonio → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Berthony Bien-Aime, ARNPSan Antonio, TX 782161194276683
- Jason Couch, FNPSan Antonio, TX 782161700260924
- Pamela Garwood, RN, MSN, FNP, ADMSan Antonio, TX 782161316975733
- Diana Garza, FNP-CSan Antonio, TX 782161578819868
- Anita Gould, FNPSan Antonio, TX 782161942734512
- Hank Hensley, NPSan Antonio, TX 782161215303003
- Rozina Ladak, FNPSan Antonio, TX 782161205380169
- John Leal, NPSan Antonio, TX 782161356762405
Common questions
What is Mark Christopher Gwin, FNP's NPI number?
Mark Christopher Gwin, FNP's National Provider Identifier (NPI) is 1942900295, issued on Mar 6, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Mark Christopher Gwin, FNP located?
The NPPES record lists a practice address at 302 W Rector St, San Antonio, TX, 78216. Phone: (210) 358-0800. Providers update this record themselves, so call before visiting.
How can I verify Mark Christopher Gwin, FNP's license?
NPPES lists Texas license number 1124686, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Christopher Gwin, FNP prescribe under Medicare Part D?
In 2024, Mark Christopher Gwin, FNP had 1,302 Medicare Part D claims for 309 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.