Marlyn Jean Mayo, MD - Medicare Gastroenterology in Dallas, TX

Marlyn Jean Mayo, MD is a medicare enrolled "Internal Medicine - Hepatology" physician in Dallas, Texas. She went to Baylor College Of Medicine and graduated in 1990 and has 34 years of diverse experience with area of expertise as Gastroenterology. She is a member of the group practice University Of Texas Southwestern Medical Center and her current practice location is 5323 Harry Hines Blvd, Dallas, Texas. You can reach out to her office (for appointments etc.) via phone at (214) 645-8600.

Marlyn Jean Mayo is licensed to practice in Texas (license number J0852) 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 1003872292.

Contact Information

Marlyn Jean Mayo, MD
5323 Harry Hines Blvd,
Dallas, TX 75390-7208
(214) 645-8600
Not Available

Map and Direction




Physician's Profile

Full NameMarlyn Jean Mayo
GenderFemale
SpecialityGastroenterology
Experience34 Years
Location5323 Harry Hines Blvd, Dallas, Texas
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:
  • Marlyn Jean Mayo attended and graduated from Baylor College Of Medicine in 1990
  NPI Data:
  • NPI Number: 1003872292
  • Provider Enumeration Date: 04/25/2006
  • Last Update Date: 04/03/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 1052360559
  • Enrollment ID: I20050121000147

Medical Identifiers

Medical identifiers for Marlyn Jean Mayo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003872292NPI-NPPES
128518104MedicaidTX

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RI0008XInternal Medicine - Hepatology J0852 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ut Southwestern University Hospital - William P. Clements Jr.Dallas, TXHospital
Parkland Health & Hospital SystemDallas, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Of Texas Southwestern Medical Center06481882502588

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. Marlyn Jean Mayo allows following entities to bill medicare on her behalf.
Entity NameUniversity Of Texas Southwestern Medical Center At Dallas
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1972579365
PECOS PAC ID: 0648188250
Enrollment ID: O20031106000792

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. Marlyn Jean Mayo 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
Marlyn Jean Mayo, MD
Po Box 845347,
Dallas, TX 75284-5347

Ph: (214) 645-8600
Marlyn Jean Mayo, MD
5323 Harry Hines Blvd,
Dallas, TX 75390-7208

Ph: (214) 645-8600

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).

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.