Maria Del Mar Diaz Bonilla, MD
Obstetrics & Gynecology Physician · Rowlett, TX
Maria Del Mar Diaz Bonilla, MD is an obstetrics & gynecology physician with a practice address in Rowlett, Texas, and NPI 1770063935, issued on Aug 17, 2018. Check the license (Texas U4785, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Maria Del Mar Diaz Bonilla
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- U4785 TX
Self-reported in NPPES; status is on the state search - Practice location
- 9301 Lakeview Pkwy Ste 200, Rowlett, TX 75088
- Phone
- (972) 475-7555
- Enumerated
- Aug 17, 2018
- Record last updated
- Feb 16, 2026
- Medicare enrollment
- Enrolled (PECOS I20231127002163); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,524 in Texas → Look up another NPI →
Also registered at 9301 Lakeview Pkwy Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kennadi Wise, CNMAdvanced Practice Midwife1316800709
- Shayna Yudizky, MSN, APRN, FNP-BCFamily Nurse Practitioner1417640665
Verify Maria Del Mar Diaz Bonilla in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license U4785Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
51 Medicare Part D claims for 22 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Paroxetine Hcl13 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.
Industry payments in 2024: $495.25
24 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Texas Health Care PLLCRowlett, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Del Mar Diaz Bonilla among 3,524 obstetrics & gynecology physician records in Texas
Maria Del Mar Diaz Bonilla, 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 2018, is newer than 85% of them.
- NPI issued2018 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2019 · median 2005 among the 2,093 with a school on file
- Record last updated2026 · 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).
6 obstetrics & gynecology physician records list a practice address in Rowlett
They are 6 of the 734 NPPES records with a practice address in Rowlett, and 3,524 obstetrics & gynecology physician records in Texas.
All 3,524 in Texas → Every provider in Rowlett → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Orsel McGhee, M.D.Rowlett, TX 750881265482699
- Jeffrey Myers, M.D.Rowlett, TX 750881316946171
- Tracy Nguyen-Reyes, MDRowlett, TX 750881679929319
- Lily Primo, M.DRowlett, TX 750881992022594
- Gabriela Zandomeni, M.D.Rowlett, TX 750881023250628
- Theresa Conyac, M.D.Rockwall, TX 750871598965188
- Michael Cowart, M.D.Rockwall, TX 750871184681421
- Thomas Sudela, MDRockwall, TX 750871093704686
Common questions
What is Maria Del Mar Diaz Bonilla, MD's NPI number?
Maria Del Mar Diaz Bonilla, MD's National Provider Identifier (NPI) is 1770063935, issued on Aug 17, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Maria Del Mar Diaz Bonilla, MD located?
The NPPES record lists a practice address at 9301 Lakeview Pkwy Ste 200, Rowlett, TX, 75088. Phone: (972) 475-7555. Providers update this record themselves, so call before visiting.
How can I verify Maria Del Mar Diaz Bonilla, MD's license?
NPPES lists Texas license number U4785, 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 Maria Del Mar Diaz Bonilla, MD prescribe under Medicare Part D?
In 2024, Maria Del Mar Diaz Bonilla, MD had 51 Medicare Part D claims for 22 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.