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DR. ANA GABRIELA RUIZ ALLISON M.D.
NPI 1861436073
Internal Medicine - Endocrinology, Diabetes & Metabolism in Missouri City, TX

Active since June 16, 2006PECOS EnrolledAccepts Medicare Assignment
5627 HORSESHOE FLS, MISSOURI CITY, TX 77459(832) 257-1066 Get Directions Write a Review

NPPES record last updated: November 4, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Ana Gabriela Ruiz Allison M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANA GABRIELA RUIZ ALLISON M.D. (NPI 1861436073) is an individual endocrinology, diabetes & metabolism provider in Missouri City, Texas, licensed in Texas (H7497) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1982).

NPPES Registry Identity

NPI1861436073
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameDR. ANA GABRIELA RUIZ ALLISONCredential: M.D.
Location Address5627 HORSESHOE FLSMissouri City, TX 77459-6911
Mailing Address5627 Horseshoe FlsMissouri City, TX 77459-6911 · (832) 257-1066
Phone(832) 257-1066
Sole ProprietorYes
Medical School CMSOtherGraduated 1982
Enumeration DateJune 16, 2006
Last NPPES UpdateNovember 4, 2025
NPPES CertifiedNovember 4, 2025
✔ NPI 1861436073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in TX · H7497
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedFamily MedicineTaxonomy 207Q00000X · License H7497 (TX)
5627 HORSESHOE FLS, Missouri City, TX 77459
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Other Names 1

Former Name (1)Ana Gabriela Ruiz Pratts M.d.

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ana Gabriela Ruiz Allison M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9931123288
PECOS Enrollment IDI20060125000592
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77459 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANA G. RUIZ ALLISON, M.D.P.A.
Clinic/Center (Medical Specialty)
5627 HORSESHOE FLS
MISSOURI CITY, TX 77459
Fort Bend County (832) 257-1066

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ana Ruiz Allison's NPI number?

The NPI number for Ana Ruiz Allison is 1861436073. It was assigned to this individual provider in the NPPES registry on June 16, 2006. The provider is also known as Ana Gabriela Ruiz Pratts M.D..

Where is Ana Ruiz Allison located?

Ana Ruiz Allison practices at 5627 Horseshoe Fls, Missouri City, TX 77459. The listed phone number is (832) 257-1066.

What is Ana Ruiz Allison's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Ana Ruiz Allison enrolled in Medicare?

Yes. Ana Ruiz Allison is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Ana Ruiz Allison accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Ana Ruiz Allison as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ana Ruiz Allison was last updated on November 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.