Ana Gabriela Ruiz Allison, M.D.
Endocrinology, Diabetes & Metabolism Physician · Missouri City, TX
Ana Gabriela Ruiz Allison, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Missouri City, Texas, and NPI 1861436073, issued on Jun 16, 2006. Check the license (Texas H7497, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ana Gabriela Ruiz Allison
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- H7497 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5627 Horseshoe Fls, Missouri City, TX 77459
- Phone
- (832) 257-1066
- Enumerated
- Jun 16, 2006
- Record last updated
- Nov 4, 2025
- Medicare enrollment
- Enrolled (PECOS I20060125000592); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 743 in Texas → Look up another NPI →
Verify Ana Gabriela Ruiz Allison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H7497Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
180 Medicare Part D claims for 35 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Atorvastatin Calcium33 claims
- Losartan Potassium19 claims
- Metformin Hcl19 claims
- Lisinopril16 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
- Pasadena Health Center, IncPasadena, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ana Gabriela Ruiz Allison among 743 endocrinology, diabetes & metabolism physician records in Texas
Ana Gabriela Ruiz Allison, M.D. is one of 743 endocrinology, diabetes & metabolism physician records with a practice address in Texas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 61% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1982 · median 2004 among the 560 with a school on file
- Record last updated2025 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Texas
There are 743 endocrinology, diabetes & metabolism physician records in Texas.
All 743 in Texas → Every provider in Missouri City → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Husam Ghusn, M.D.Missouri City, TX 774591871585588
- Neel Shah, MDMissouri City, TX 774591154525749
- Johanna Vivienne Leyco-Policarpio, M.D.Katy, TX 774501659508265
- Preeya Raghu, M.D.Katy, TX 774501558520015
- Elina Shakya, MDKaty, TX 774501265666846
- Perihan Dimachkie, MDKaty, TX 774491457606113
- Farah Mushtaq, M.DKaty, TX 774491669727228
- Daniel Corredor, MDStafford, TX 774771003906512
Common questions
What is Ana Gabriela Ruiz Allison, M.D.'s NPI number?
Ana Gabriela Ruiz Allison, M.D.'s National Provider Identifier (NPI) is 1861436073, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ana Gabriela Ruiz Allison, M.D. located?
The NPPES record lists a practice address at 5627 Horseshoe Fls, Missouri City, TX, 77459. Phone: (832) 257-1066. Providers update this record themselves, so call before visiting.
How can I verify Ana Gabriela Ruiz Allison, M.D.'s license?
NPPES lists Texas license number H7497, 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 Ana Gabriela Ruiz Allison, M.D. prescribe under Medicare Part D?
In 2024, Ana Gabriela Ruiz Allison, M.D. had 180 Medicare Part D claims for 35 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.