Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. ANNA MARIA MERZ MS, RD, LD
NPI 1588050785
Dietitian, Registered in Hilliard, OH

Q: What is Anna Maria Merz's NPI number?

The NPI number for Anna Maria Merz is 1588050785. It was assigned to this individual provider in the NPPES registry on April 14, 2015. The provider is also known as Anna Maria Bittoni.

Q: What is Anna Maria Merz'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 Anna Maria Merz was last updated on October 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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 April 14, 2015

3691 RIDGE MILL DR, HILLIARD, OH 43026(614) 293-6255(614) 293-8518 Get Directions Write a Review

NPPES record last updated: October 26, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 26, 2026, Oct 6, 2026 (2 updates tracked since 2026).

On this page

About Ms. Anna Maria Merz Ms, Rd, Ld NPPES

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

MS. ANNA MARIA MERZ MS, RD, LD (NPI 1588050785) is an individual dietitian, registered in Hilliard, Ohio, licensed in Ohio (LD.7631) and active in the NPI registry since April 2015.

NPPES Registry Identity

NPI1588050785

Entity TypeIndividualFemale

Primary Taxonomy133V00000X

Provider Legal NameMS. ANNA MARIA MERZCredential: MS, RD, LD

Location Address3691 RIDGE MILL DRHilliard, OH 43026-7752

Mailing Address700 Ackerman Rd Ste 2120Columbus, OH 43202-1559 · (614) 293-6255 · Fax (614) 293-8518

Phone(614) 293-6255

Fax(614) 293-8518

Sole ProprietorNo

Enumeration DateApril 14, 2015

Last NPPES UpdateOctober 26, 20262 updates tracked since enumeration

NPPES CertifiedOctober 26, 2026

✔ NPI 1588050785 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 OH · LD.7631

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.

3691 RIDGE MILL DR, Hilliard, OH 43026

Open in Google Maps ↗

Other Names 1

Former Name (1)Anna Maria Bittoni

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Other Providers at the Same Location NPPES 19

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

NAVIN CHANDRA RAVISHANKAR MD

Internal Medicine (Rheumatology)