Wilber Alexander Estrada Santiago, M.D.
Internal Medicine Physician · Missouri City, TX
Wilber Alexander Estrada Santiago, M.D. is an internal medicine physician with a practice address in Missouri City, Texas, and NPI 1164620860, issued on Jul 5, 2007. Check the license (Texas N5044, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Wilber Alexander Estrada Santiago
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- N5044 TX
Self-reported in NPPES; status is on the state search - Practice location
- 7010 Highway 6, Missouri City, TX 77459
- Phone
- (713) 442-6700
- Enumerated
- Jul 5, 2007
- Record last updated
- Apr 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid IDs
- 213899207 TX
213899208 TX - Medicare enrollment
- Enrolled (PECOS I20100714000608); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 7010 Highway 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nadya Alibhai, D.O.Internal Medicine Physician1538109368
- Richard Byrd, MDPediatrics Physician1679508550
- Mehreen Fatima, M.D.Family Medicine Physician1598999765
- Aileen Ferrer, FNP-CFamily Nurse Practitioner1093199150
- Jessica Lanerie, M.D.Pediatrics Physician1184067639
- Amirhossein Nikahd, M.D.Obstetrics & Gynecology Physician1184159402
Verify Wilber Alexander Estrada Santiago in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N5044Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average internal medicine physician in 2024
6,378 Medicare Part D claims for 613 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 78 claims were for opioids.
Most prescribed
- Atorvastatin Calcium589 claims
- Amlodipine Besylate337 claims
- Metformin Hcl Er220 claims
- Rosuvastatin Calcium183 claims
- Lisinopril179 claims
- Metformin Hcl177 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, PLLCHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wilber Alexander Estrada Santiago among 9,175 internal medicine physician records in Texas
Wilber Alexander Estrada Santiago, M.D. is one of 9,175 internal 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1997 · median 2004 among the 6,088 with a school on file
- Record last updated2020 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Texas
There are 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Missouri City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nadya Alibhai, D.O.Missouri City, TX 774591538109368
- Siddharth Dave, D.O.Missouri City, TX 774591518042035
- Mahnoor Hashmi, MDMissouri City, TX 774591477294247
- Asra Oberoi, M.D.Missouri City, TX 774591396936183
- Oyinade Odia, MDMissouri City, TX 774591184145021
- Anjali Sebastian, MDMissouri City, TX 774591477050045
- Parul Shah, D.O.Missouri City, TX 774591285722553
- Zahra Shariff, M.D.Missouri City, TX 774591538260492
Common questions
What is Wilber Alexander Estrada Santiago, M.D.'s NPI number?
Wilber Alexander Estrada Santiago, M.D.'s National Provider Identifier (NPI) is 1164620860, issued on Jul 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Wilber Alexander Estrada Santiago, M.D. located?
The NPPES record lists a practice address at 7010 Highway 6, Missouri City, TX, 77459. Phone: (713) 442-6700. Providers update this record themselves, so call before visiting.
How can I verify Wilber Alexander Estrada Santiago, M.D.'s license?
NPPES lists Texas license number N5044, 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 Wilber Alexander Estrada Santiago, M.D. prescribe under Medicare Part D?
In 2024, Wilber Alexander Estrada Santiago, M.D. had 6,378 Medicare Part D claims for 613 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.