DR. WILLIAM GREGORY MULLINAX M.D.
NPI 1972551364
Family Medicine - Hospice and Palliative Medicine in Collierville, TN

Active since May 05, 2006PECOS EnrolledAccepts Medicare Assignment
76.51/100
CMS Quality Rating
1500 W POPLAR AVE, COLLIERVILLE, TN 38017(901) 226-2800(901) 226-2802 Get Directions Write a Review

NPPES record last updated: February 9, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 9, 2023, Oct 1, 2019, Mar 17, 2018 and 2 more (5 updates tracked since 2016).

About Dr. William Gregory Mullinax M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM GREGORY MULLINAX M.D. (NPI 1972551364) is an individual hospice and palliative medicine provider in Collierville, Tennessee, licensed in Tennessee (36834) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Baptist Memorial Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1972551364
Entity TypeIndividualMale
Primary Taxonomy207QH0002X
Provider Legal NameDR. WILLIAM GREGORY MULLINAXCredential: M.D.
Location Address1500 W POPLAR AVECollierville, TN 38017-0601
Mailing Address965 Ridge Lake Blvd Ste 315Memphis, TN 38120-9401
Fax(901) 226-2802
Sole ProprietorNo
Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 1999
Enumeration DateMay 5, 2006
Last NPPES UpdateFebruary 9, 20235 updates tracked since enumeration
NPPES CertifiedFebruary 9, 2023
NPI 1972551364 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily Medicine · Hospice and Palliative MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QH0002X
Licenses Licensed in TN · 36834 Licensed in MS · 31104
Definition
A family medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.
1500 W POPLAR AVE, Collierville, TN 38017

Secondary Practice Locations 3

Location 17601 Southcrest PkwySouthaven, MS 38671-4739 · Phone (901) 226-2800 · Fax (901) 226-2802
Location 26027 Walnut Grove RdMemphis, TN 38120-2145 · Phone (901) 226-2800 · Fax (901) 226-2802
Location 36225 Humphreys BlvdMemphis, TN 38120-2373 · Phone (901) 226-2800 · Fax (901) 226-2802

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. William Gregory Mullinax M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7012174147
PECOS Enrollment IDI20120201000581
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
270 services84 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
119 services47 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
74 services66 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Baptist Memorial Hospital

Acute Care Hospitals · Memphis, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440048
Location6019 Walnut Grove RoadMemphis, TN 38120 · Shelby County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 38017 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.51/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70.53
Promoting Interoperability82
Improvement Activities40
Cost66.19

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Specialist
1500 W POPLAR AVE, SUITE 304
COLLIERVILLE, TN 38017
Anesthesiology
1500 W POPLAR AVE
COLLIERVILLE, TN 38017
Obstetrics & Gynecology (Gynecology)
1500 W POPLAR AVE, SUITE 308
COLLIERVILLE, TN 38017
Pharmacy (Community/Retail Pharmacy)
1500 W POPLAR AVE
COLLIERVILLE, TN 38017
Internal Medicine
1500 W POPLAR AVE
COLLIERVILLE, TN 38017
Emergency Medicine
1500 W POPLAR AVE
COLLIERVILLE, TN 38017
Physical Therapist
1500 W POPLAR AVE
COLLIERVILLE, TN 38017
Emergency Medicine
1500 W POPLAR AVE
COLLIERVILLE, TN 38017

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Mullinax's NPI number?

The NPI number for William Mullinax is 1972551364. It was assigned to this individual provider in the NPPES registry on May 5, 2006.

Where is William Mullinax located?

William Mullinax practices at 1500 W Poplar Ave, Collierville, TN 38017. The listed phone number is (901) 226-2800.

What is William Mullinax's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207QH0002X.

Is William Mullinax enrolled in Medicare?

Yes. William Mullinax is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Mullinax accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of North Carolina and 7 other insurers list William Mullinax as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Mullinax affiliated with any hospitals?

According to CMS data, William Mullinax is affiliated with Baptist Memorial Hospital.

When was this NPI record last updated?

The NPPES record for William Mullinax was last updated on February 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.