DR. WILLIAM GREGORY MULLINAX (M.D.) – Hospice and Palliative Medicine (Family Medicine) Physician, NPI 1972551364
Hospice and Palliative Medicine (Family Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
75 HOSPICE/PALLIATIVE CARE in TN
Provider Addresses for DR. WILLIAM GREGORY MULLINAX (M.D.)
6027 Walnut Grove Rd
Memphis, TN 381202145
Phone: (901) 226-2800
Fax: (901) 226-2802
Type: Location
6225 Humphreys Blvd
Memphis, TN 381202373
Phone: (901) 226-2800
Fax: (901) 226-2802
Type: Location
7601 Southcrest Pkwy
Southaven, MS 386714739
Phone: (901) 226-2800
Fax: (901) 226-2802
Type: Location
965 RIDGE LAKE BLVD STE 315
MEMPHIS, TN 381209401
Phone:
Type: Mailing
1500 W POPLAR AVE
COLLIERVILLE, TN 380170601
Phone: (901) 226-2800
Fax: (901) 226-2802
Type: Location
Ridge Lake Boulevard, White Station, Memphis, Shelby County, Tennessee, 38120, United States
MEMPHIS, TN 381209446
Phone:
Type: Mailing
Baptist Memorial Hospital-Memphis, 6019, Walnut Grove Road, Memphis, Shelby County, Tennessee, 38120, United States
MEMPHIS, TN 381202113
Phone: (901) 227-9000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $281.
Total Amount is formed as General ($281) + Research ($0) + Ownership ($0) = $281.
Last reported payment date: 2024-04-30 • Largest payer in this snapshot: Siemens Medical Solutions USA, Inc. ($142).
Total Amount
$281
General + Research + Ownership
Payments
2
Total payment records
General Amount
$281
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Siemens Medical Solutions USA, Inc. | $142 |
| Medtronic, Inc. | $139 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2023-02-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20120201000581 | I | Hospice/Palliative Care | TN | TBD |
| I20230222003212 | I | Hospice/Palliative Care | MS | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 217 | 84 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 117 | 57 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 72 | 69 | $0 |
Insurance plans in this area (ZIP 38120)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Osteopathic Manipulative Medicine | NY | |
| H E M A T O L O G Y/ O N C O L O G Y | TN | |
| Family Practice | MS | |
| Nurse Practitioner | GA | |
| Family Practice | GA | |
| Nurse Practitioner | MS | |
| Internal Medicine | AR | |
| Internal Medicine | GA | |
| Nurse Practitioner | TN | |
| Internal Medicine | TN |
Reviews
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