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 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
- Practice location
- 6710 Stewart RD Ste 100, Galveston, TX 77551
- Phone
- (409) 744-4030
- Enumerated
- Jul 16, 2017
- Entity
- Type 1 · individual
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.
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Verify Mark Buck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical BoardCheck 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 3,519 among the 111,126 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.
96 family medicine physician records list a Galveston practice address
They are 96 of the 2,532 NPPES records with a Galveston practice address, and 10,592 family medicine physician records in Texas.
All 96 in Galveston → All 10,592 in Texas → Every provider in Galveston →
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- So Abad, MDWichita Falls, TX1184624694
- Yoseph AbadiRichardson, TX1700742640
- Marcus Abadie, M.D.Athens, TX1104821107
- Montserrat Abadie Sole, M.D.Fort Worth, TX1245437078
- Sarah Abang-Hayes, M.D.San Antonio, TX1326244724
- Syed Abbas, M.D.Houston, TX1821267477
- Lisa Abbott, M.D.Mansfield, TX1700847779
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?
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 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.