Merlyn Mary Thomas, MD
Obstetrics & Gynecology Physician · Sugar Land, TX
Merlyn Mary Thomas, MD is an obstetrics & gynecology physician with a practice address in Sugar Land, Texas, and NPI 1699122325, issued on May 23, 2016. Check the license (Texas S4885, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Merlyn Mary Thomas
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- S4885 TX
Self-reported in NPPES; status is on the state search - Practice location
- 11555 University Blvd, Sugar Land, TX 77478
- Phone
- (713) 442-9100
- Enumerated
- May 23, 2016
- Record last updated
- Jun 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid IDs
- 415069001 TX
415069003 TX
415069002 TX - Medicare enrollment
- Enrolled (PECOS I20200710003205); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,524 in Texas → Look up another NPI →
Also registered at 11555 University Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yetunde Adigun, MDObstetrics & Gynecology Physician1730356569
- Kamran Ahmed, MDHospitalist Physician1952562126
- Maria Argao, MDFamily Medicine Physician1629003769
- Cecilio Batres, MDDermatology Physician1760412423
- Spencer Berthelsen, MDInternal Medicine Physician1295763290
- Melinda Chai, MDObstetrics & Gynecology Physician1336778075
Verify Merlyn Mary Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S4885Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
63 Medicare Part D claims for 35 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol11 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
- Kelsey-Seybold Medical Group, PLLCSugar Land, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Merlyn Mary Thomas among 3,524 obstetrics & gynecology physician records in Texas
Merlyn Mary Thomas, MD is one of 3,524 obstetrics & gynecology physician records with a practice address in Texas. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 80% of them.
- NPI issued2016 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2016 · median 2005 among the 2,093 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Texas
There are 3,524 obstetrics & gynecology physician records in Texas.
All 3,524 in Texas → Every provider in Sugar Land → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Oluyemisi Adeyemi-Fowode, M.DSugar Land, TX 774781538426853
- Yetunde Adigun, MDSugar Land, TX 774781730356569
- Lorelei Capocyan, M.D.Sugar Land, TX 774781679756936
- Brandi Compton-Joseph, MDSugar Land, TX 774781467614321
- Yasmin Engineer, MDSugar Land, TX 774781376639658
- Kimberly Evans, MDSugar Land, TX 774781962587337
- Bruce Halbridge, M.D.Sugar Land, TX 774781730268053
- Jamie Hernandez, M.D.Sugar Land, TX 774781639481369
Common questions
What is Merlyn Mary Thomas, MD's NPI number?
Merlyn Mary Thomas, MD's National Provider Identifier (NPI) is 1699122325, issued on May 23, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Merlyn Mary Thomas, MD located?
The NPPES record lists a practice address at 11555 University Blvd, Sugar Land, TX, 77478. Phone: (713) 442-9100. Providers update this record themselves, so call before visiting.
How can I verify Merlyn Mary Thomas, MD's license?
NPPES lists Texas license number S4885, 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 Merlyn Mary Thomas, MD prescribe under Medicare Part D?
In 2024, Merlyn Mary Thomas, MD had 63 Medicare Part D claims for 35 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.