Mark Buck, DO
Family Medicine Physician · Galveston, TX
Mark Buck, DO is a family medicine physician with a practice address in Galveston, Texas, and NPI 1578085031, issued on Jul 16, 2017. Check the license (Texas S7396, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Buck
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- S7396 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6710 Stewart RD Ste 100, Galveston, TX 77551
- Phone
- (409) 744-4030
- Enumerated
- Jul 16, 2017
- Record last updated
- Jul 6, 2026
- Fax
- (409) 740-4187
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 6710 Stewart RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rosana Draper, N.PFamily Nurse Practitioner1992198295
- Jorge Fuentes, MDFamily Medicine Physician1649851437
- Andrew Janicki, MDFamily Medicine Physician1083105936
- Wendi Peralta, RN FNP-CFamily Nurse Practitioner1295020659
- Scott Robinson, DOFamily Medicine Physician1972545176
- Hasan Yasin, MDFamily Medicine Physician1457860769
Verify Mark Buck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S7396Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
26 Medicare Part D claims for 22 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
Mark Buck among 11,119 family medicine physician records in Texas
Mark Buck, DO is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 80% of them.
- NPI issued2017 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
96 family medicine physician records list a practice address in Galveston
They are 96 of the 2,532 NPPES records with a practice address in Galveston, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Galveston → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jorge Fuentes, MDGalveston, TX 775511649851437
- Andrew Janicki, MDGalveston, TX 775511083105936
- Thomas Pfeil, M.D.Galveston, TX 775511902016124
- Bethany Powell, M.D.Galveston, TX 775511609057751
- Scott Robinson, DOGalveston, TX 775511972545176
- Hasan Yasin, MDGalveston, TX 775511457860769
- Het Bharucha, MDGalveston, TX 775501194568576
- Eguono Ejayeriese, MDGalveston, TX 775501083457865
Common questions
What is Mark Buck, DO's NPI number?
Mark Buck, DO's National Provider Identifier (NPI) is 1578085031, issued on Jul 16, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Mark Buck, DO located?
The NPPES record lists a practice address at 6710 Stewart RD Ste 100, Galveston, TX, 77551. Phone: (409) 744-4030. Providers update this record themselves, so call before visiting.
How can I verify Mark Buck, DO's license?
NPPES lists Texas license number S7396, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Buck, DO prescribe under Medicare Part D?
In 2024, Mark Buck, DO had 26 Medicare Part D claims for 22 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.