Dr William Gregory Mullinax, MD - Medicare Hospice/palliative Care in Collierville, TN

Dr William Gregory Mullinax, MD is a medicare enrolled "Family Medicine - Hospice And Palliative Medicine" physician in Collierville, Tennessee. He went to University Of Tennessee, Hsc, College Of Medicine and graduated in 1999 and has 25 years of diverse experience with area of expertise as Hospice/palliative Care. He is a member of the group practice Baptist Memorial Medical Group, Inc., Baptist Memorial Medical Group, Inc. and his current practice location is 1500 W Poplar Ave, Collierville, Tennessee. You can reach out to his office (for appointments etc.) via phone at (901) 226-2800.

Dr William Gregory Mullinax is licensed to practice in Tennessee (license number 36834) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1972551364.

Contact Information

Dr William Gregory Mullinax, MD
1500 W Poplar Ave,
Collierville, TN 38017-0601
(901) 226-2800
(901) 226-2802

Map and Direction




Physician's Profile

Full NameDr William Gregory Mullinax
GenderMale
SpecialityHospice/palliative Care
Experience25 Years
Location1500 W Poplar Ave, Collierville, Tennessee
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr William Gregory Mullinax attended and graduated from University Of Tennessee, Hsc, College Of Medicine in 1999
  NPI Data:
  • NPI Number: 1972551364
  • Provider Enumeration Date: 05/05/2006
  • Last Update Date: 02/09/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 7012174147
  • Enrollment ID: I20120201000581

Medical Identifiers

Medical identifiers for Dr William Gregory Mullinax such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972551364NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207QH0002XFamily Medicine - Hospice And Palliative Medicine 31104 (Mississippi)Secondary
207QH0002XFamily Medicine - Hospice And Palliative Medicine 36834 (Tennessee)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Baptist Trinity HospiceMemphis, TNHospice
Baptist Memorial HospitalMemphis, TNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Baptist Memorial Medical Group, Inc.5193610228433
Baptist Memorial Medical Group, Inc.5193610228433

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. Dr William Gregory Mullinax allows following entities to bill medicare on his behalf.
Entity NameBaptist Memorial Medical Group, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1306089206
PECOS PAC ID: 5193610228
Enrollment ID: O20040218000385

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. Dr William Gregory Mullinax 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
Dr William Gregory Mullinax, MD
965 Ridge Lake Blvd Ste 315,
Memphis, TN 38120-9401

Ph: () -
Dr William Gregory Mullinax, MD
1500 W Poplar Ave,
Collierville, TN 38017-0601

Ph: (901) 226-2800

Reviews and Comments


Family Medicine Doctors in Collierville, TN

Laura N. Lendermon, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 9950 Crooked Creek Drive, Collierville, TN 38017
Phone: 901-850-5756    Fax: 901-850-5911
Mrs. Sonya Walker Chehardy, D.O.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 790 W Poplar Ave, Ste #1, Collierville, TN 38017
Phone: 901-853-9700    Fax: 901-853-9996
Mrs. Liel Jenny Erdedi, FNP
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 3680 S Houston Levee Rd, Collierville, TN 38017
Phone: 901-300-7016    
Kate Curtis Gassaway, RN, MSN, APRN, BC
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 830 W Poplar Ave, Suite 2, Collierville, TN 38017
Phone: 901-853-6428    Fax: 901-853-6554
Dr. Tamra L Smith, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 853 W Poplar Ave, Collierville, TN 38017
Phone: 901-850-8351    Fax: 901-861-2064
Saraswathy B Naren, DO
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 2028 W Poplar Ave, Suite 115, Collierville, TN 38017
Phone: 901-221-8983    Fax: 901-221-8985
Dr. Fidel Deleon Makapugay,
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 491 W Poplar Ave, Collierville, TN 38017
Phone: 901-850-9900    Fax: 901-853-2706

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.