Hillary Ann Oneto Buch, - Medicare Dietitian in Casa Grande, AZ

Hillary Ann Oneto Buch, is a medicare enrolled "Dietitian, Registered" provider in Casa Grande, Arizona. She went to Saginaw Valley Medical College - Nlg and graduated in 2013 and has 12 years of diverse experience with area of expertise as Registered Dietitian Or Nutrition Professional. Her current practice location is 1281 E Cottonwood Ln, Casa Grande, Arizona. You can reach out to her office (for appointments etc.) via phone at (520) 863-9800.

Hillary Ann Oneto Buch is licensed to practice in Louisiana (license number 3236) and she also participates in the medicare program. She may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1871951582.

Contact Information

Hillary Ann Oneto Buch,
1281 E Cottonwood Ln,
Casa Grande, AZ 85122-2949
(520) 863-9800
(520) 863-1510

Map and Direction




Healthcare Provider's Profile

Full NameHillary Ann Oneto Buch
GenderFemale
SpecialityRegistered Dietitian Or Nutrition Professional
Experience12 Years
Location1281 E Cottonwood Ln, Casa Grande, Arizona
Accepts Medicare AssignmentsMay be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Hillary Ann Oneto Buch attended and graduated from Saginaw Valley Medical College - Nlg in 2013
  NPI Data:
  • NPI Number: 1871951582
  • Provider Enumeration Date: 02/09/2016
  • Last Update Date: 08/04/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 3678099181
  • Enrollment ID: I20250813001217

Medical Identifiers

Medical identifiers for Hillary Ann Oneto Buch such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1871951582NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
133V00000XDietitian, Registered ND8632 (Florida)Secondary
133V00000XDietitian, Registered 37003963A (Indiana)Secondary
133V00000XDietitian, Registered 2011026060 (Missouri)Secondary
133V00000XDietitian, Registered D-1588 (Idaho)Secondary
133V00000XDietitian, Registered L006791 (North Carolina)Secondary
133V00000XDietitian, Registered 2025028888 (Missouri)Secondary
133V00000XDietitian, Registered LD.09070 (Ohio)Secondary
133V00000XDietitian, Registered 440-LD (Hawaii)Secondary
133V00000XDietitian, Registered DT89424 (Texas)Secondary
133V00000XDietitian, Registered 3236 (Louisiana)Primary

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Hillary Ann Oneto Buch is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Hillary Ann Oneto Buch,
Po Box 749495,
Atlanta, GA 30374-9495

Ph: (855) 963-2100
Hillary Ann Oneto Buch,
1281 E Cottonwood Ln,
Casa Grande, AZ 85122-2949

Ph: (520) 863-9800

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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