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MARGARET NEEVE O'REILLY RD
NPI 1164116273
Dietitian, Registered in Houston, TX

Active since June 05, 2023Accepts Medicare Assignment
13333 DOTSON RD STE 220, HOUSTON, TX 77070(281) 251-5234(281) 251-7868 Get Directions Write a Review

NPPES record last updated: June 5, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Margaret Neeve O'reilly Rd NPPES

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

MARGARET NEEVE O'REILLY RD (NPI 1164116273) is an individual dietitian, registered in Houston, Texas, licensed in Texas (DT88509) and active in the NPI registry since June 2023. She is a graduate of Other (2023).

NPPES Registry Identity

NPI1164116273
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameMARGARET NEEVE O'REILLYCredential: RD
Location Address13333 DOTSON RD STE 220Houston, TX 77070-4305
Mailing Address13333 Dotson Rd Ste 220Houston, TX 77070-4305 · (281) 251-5234 · Fax (281) 251-7868
Phone(281) 251-5234
Fax(281) 251-7868
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJune 5, 2023
NPPES CertifiedJune 3, 2023
✔ NPI 1164116273 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in TX · DT88509
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
13333 DOTSON RD STE 220, Houston, TX 77070
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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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Margaret Neeve O'reilly Rd 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 ID8325571847
PECOS Enrollment IDI20241023000389

Medicare Billing Reassignment

Medicare enrollment records show Margaret O'reilly reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Damaris Vega MD PLLC
Same address
Endocrinology, Diabetes & Metabolism
13333 DOTSON RD STE 220
Houston, TX 77070
  • Reassigned Medicare billing, Texas enrollment
  • 13 clinicians in this Medicare group
NPI 1245519529 (281) 251-5234

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77070 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
$0.00 typical visit price
range $58.24 – $176.98
Typical copayment $0.00 (range $14.56 – $44.24)
Most-billed visit code NA
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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 10

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

CHRISTIE N POOLE FNP
Nurse Practitioner (Family)
13333 DOTSON RD STE 220
HOUSTON, TX 77070
Harris County (281) 251-5234
DAMARIS VEGA MD PLLC
Internal Medicine (Endocrinology, Diabetes & Metabolism)
13333 DOTSON RD STE 220
HOUSTON, TX 77070
Harris County (281) 251-5234
LAURA ANNE OLSON APRN
Nurse Practitioner
13333 DOTSON RD STE 220
HOUSTON, TX 77070
Harris County (281) 251-5234
SHAWHIN KARIMI M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
13333 DOTSON RD STE 220
HOUSTON, TX 77070
Harris County (281) 251-5234
DR. CRISTINA M ORTIZ MALAVE MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
13333 DOTSON RD STE 220
HOUSTON, TX 77070
Harris County (281) 251-5234
DR. VALERIE BUTLER D.O
Internal Medicine (Endocrinology, Diabetes & Metabolism)
13333 DOTSON RD STE 220
HOUSTON, TX 77070
Harris County (281) 251-5234
ANDREA TORRES MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
13333 DOTSON RD STE 220
HOUSTON, TX 77070
Harris County (281) 251-5234
ERICA E HIGHTOWER M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
13333 DOTSON RD STE 220
HOUSTON, TX 77070
Harris County (281) 251-5234

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 Margaret O'reilly's NPI number?

The NPI number for Margaret O'reilly is 1164116273. It was assigned to this individual provider in the NPPES registry on June 5, 2023.

Where is Margaret O'reilly located?

Margaret O'reilly practices at 13333 Dotson Rd Ste 220, Houston, TX 77070. The listed phone number is (281) 251-5234.

What is Margaret O'reilly's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Margaret O'reilly enrolled in Medicare?

Yes. Margaret O'reilly 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.

Which organization bills Medicare for Margaret O'reilly's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret O'reilly reassigns Medicare benefits to Damaris Vega MD PLLC (Houston, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Margaret O'reilly's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret O'reilly accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 2 other insurers list Margaret O'reilly 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 Margaret O'reilly was last updated on June 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.