OLIVIA P REES
NPI 1740832252
Dietitian, Registered in Hannibal, MO

Q: What is Olivia Rees's NPI number?

The NPI number for Olivia Rees is 1740832252. It was assigned to this individual provider in the NPPES registry on July 15, 2019.

Q: What is Olivia Rees's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Olivia Rees was last updated on April 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since July 15, 2019

6500 HOSPITAL DR, HANNIBAL, MO 63401(573) 231-5952(573) 629-3382 Get Directions Write a Review

NPPES record last updated: April 1, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Apr 1, 2024, Sep 18, 2019, Jul 15, 2019 (3 updates tracked since 2019).

On this page

About Olivia P Rees NPPES

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

OLIVIA P REES (NPI 1740832252) is an individual dietitian, registered in Hannibal, Missouri, licensed in Missouri (2019030890) and active in the NPI registry since July 2019.

NPPES Registry Identity

NPI1740832252

Entity TypeIndividualMale

Primary Taxonomy133V00000X

Provider Legal NameOLIVIA P REES

Location Address6500 HOSPITAL DRHannibal, MO 63401-6890

Mailing Address6500 Hospital DrHannibal, MO 63401-6890 · (573) 231-1589

Phone(573) 231-5952

Fax(573) 629-3382

Sole ProprietorNo

Enumeration DateJuly 15, 2019

Last NPPES UpdateApril 1, 20243 updates tracked since enumeration

NPPES CertifiedApril 1, 2024

✔ NPI 1740832252 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers

Taxonomy Code133V00000X

Licenses✔ Licensed in MO · 2019030890✔ Licensed in IL · 164007825

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.

6500 HOSPITAL DR, Hannibal, MO 63401

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Olivia P Rees is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Olivia Rees reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hannibal Regional Healthcare System, Inc

Same address

Multi-Specialty

6500 HOSPITAL DRIVE
Hannibal, MO 63401

Reassigned Medicare billing, Missouri enrollment
149 clinicians in this Medicare group

NPI 1134311392 (573) 248-1300

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

Other Providers at the Same Location NPPES 20

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

MEGAN ELIZABETH KRETZ MSN, FNP-BC

Otolaryngology

6500 HOSPITAL DR
HANNIBAL, MO 63401

Marion County (573) 629-3441

ADAM SAMARITONI D.O.

Family Medicine

6500 HOSPITAL DR, FAMILY MEDICINE
HANNIBAL, MO 63401

Marion County (573) 629-3440

JENNIFER LYNN MINOFF MD

Internal Medicine (Pulmonary Disease)

6500 HOSPITAL DR
HANNIBAL, MO 63401

Marion County (573) 629-3500

MELISSA L REYNOLDS

Nurse Practitioner (Gerontology)

6500 HOSPITAL DR
HANNIBAL, MO 63401

Marion County (573) 629-3440

JOHN FLO

Psychiatry & Neurology (Psychiatry)

6500 HOSPITAL DR
HANNIBAL, MO 63401

Marion County (573) 629-3503

HANNIBAL REGIONAL HEALTHCARE SYSTEM, INC

Clinic/Center (Rural Health)

6500 HOSPITAL DR
HANNIBAL, MO 63401

Marion County (573) 629-3440

DR. JOHN PAUL GREVING DO

Internal Medicine

6500 HOSPITAL DR
HANNIBAL, MO 63401

Marion County (573) 629-3400

KAYTLN BAKER FNP-C

Nurse Practitioner (Family)

6500 HOSPITAL DR
HANNIBAL, MO 63401

Marion County (573) 629-3481

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 Olivia Rees's NPI number?

The NPI number for Olivia Rees is 1740832252. It was assigned to this individual provider in the NPPES registry on July 15, 2019.

Where is Olivia Rees located?

Olivia Rees practices at 6500 Hospital Dr, Hannibal, MO 63401. The listed phone number is (573) 231-5952.

What is Olivia Rees's specialty?

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

Is Olivia Rees enrolled in Medicare?

Yes. Olivia Rees is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Olivia Rees's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Rees reassigns Medicare benefits to Hannibal Regional Healthcare System, Inc (Hannibal, MO). 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 Olivia Rees's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Olivia Rees accept?

Health plans from Anthem Blue Cross and Blue Shield list Olivia Rees 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 Olivia Rees was last updated on April 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.