Ana Maria Castaneda Guarderas, MD - Medicare Emergency Medicine in Memphis, TN

Ana Maria Castaneda Guarderas, MD is a medicare enrolled "Emergency Medicine" physician in Memphis, Tennessee. She graduated from medical school in 2010 and has 14 years of diverse experience with area of expertise as Emergency Medicine. She is a member of the group practice Ut Regional One Physicians Inc and her current practice location is 877 Jefferson Ave, Memphis, Tennessee. You can reach out to her office (for appointments etc.) via phone at (901) 545-7100.

Ana Maria Castaneda Guarderas is licensed to practice in Tennessee (license number 59139) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1194174318.

Contact Information

Ana Maria Castaneda Guarderas, MD
877 Jefferson Ave,
Memphis, TN 38103
(901) 545-7100
(901) 545-8996

Map and Direction




Physician's Profile

Full NameAna Maria Castaneda Guarderas
GenderFemale
SpecialityEmergency Medicine
Experience14 Years
Location877 Jefferson Ave, Memphis, Tennessee
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ana Maria Castaneda Guarderas graduated from medical school in 2010
  NPI Data:
  • NPI Number: 1194174318
  • Provider Enumeration Date: 06/08/2016
  • Last Update Date: 01/15/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 9335432533
  • Enrollment ID: I20191017000863

Medical Identifiers

Medical identifiers for Ana Maria Castaneda Guarderas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1194174318NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 23751 (Florida)Secondary
207P00000XEmergency Medicine 59139 (Tennessee)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Regional One HealthMemphis, TNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ut Regional One Physicians Inc5698993418277

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. Ana Maria Castaneda Guarderas allows following entities to bill medicare on her behalf.
Entity NameUt Regional One Physicians Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093130585
PECOS PAC ID: 5698993418
Enrollment ID: O20140820000662

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. Ana Maria Castaneda Guarderas 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
Ana Maria Castaneda Guarderas, MD
877 Jefferson Ave,
Memphis, TN 38103-2807

Ph: (312) 933-0244
Ana Maria Castaneda Guarderas, MD
877 Jefferson Ave,
Memphis, TN 38103

Ph: (901) 545-7100

Reviews and Comments


Emergency Medicine Doctors in Memphis, TN

Dr. Lori Rae Holtzman, MD
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Medicare: Not Enrolled in Medicare
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Phone: 901-350-2639    Fax: 901-249-4563
Dr. Michael Jerome Washington, MD
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Dr. Anthony C Moretta, MD
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Dr. Claude F Varner Jr., MD
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Dr. Clyde M Brown, MD
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Phone: 901-516-5211    
Jason Taylor Silberman, M.D.
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Practice Location: 6019 Walnut Grove Rd, Memphis, TN 38120
Phone: 901-226-3010    Fax: 901-226-1216
Lesa Jordan, MD
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Medicare: Medicare Enrolled
Practice Location: 710 N Main St, Memphis, TN 38107
Phone: 901-626-2266    

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.