Elizabeth Ann Posek, RD - Medicare Dietitian in Phoenix, AZ

Elizabeth Ann Posek, RD is a medicare enrolled "Dietitian, Registered" provider in Phoenix, Arizona. Her current practice location is 3141 N 3rd Ave, Phoenix, Arizona. You can reach out to her office (for appointments etc.) via phone at (602) 914-1520.

Elizabeth Ann Posek is licensed to practice in California (license number 1097116) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1386084960.

Contact Information

Elizabeth Ann Posek, RD
3141 N 3rd Ave,
Phoenix, AZ 85013-4360
(602) 914-1520
(602) 914-1521

Map and Direction




Healthcare Provider's Profile

Full NameElizabeth Ann Posek
GenderFemale
SpecialityDietitian, Registered
Location3141 N 3rd Ave, Phoenix, Arizona
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1386084960
  • Provider Enumeration Date: 06/27/2013
  • Last Update Date: 06/27/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 8123260155
  • Enrollment ID: I20130805000179

Medical Identifiers

Medical identifiers for Elizabeth Ann Posek such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1386084960NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
133V00000XDietitian, Registered 1097116 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Elizabeth Ann Posek allows following entities to bill medicare on her behalf.
Provider NameDistrict Medical Group Inc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1336472448
PECOS PAC ID: 7315086691
Enrollment ID: O20091125000583

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. Elizabeth Ann Posek 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
Elizabeth Ann Posek, RD
2929 E Thomas Rd, Credentialing Department,
Phoenix, AZ 85016-8034

Ph: (602) 470-5043
Elizabeth Ann Posek, RD
3141 N 3rd Ave,
Phoenix, AZ 85013-4360

Ph: (602) 914-1520

Reviews and Comments


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Phone: 602-406-3611    Fax: 602-406-4363
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Dominica Wilhemina Dieffenbach, RD
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Practice Location: 3141 N 3rd Ave, Phoenix, AZ 85013
Phone: 602-914-1520    Fax: 602-266-0545

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.