Quick answers
- Does Joanna McCollum accept Medicare assignment?
- Yes. Medicare's clinician data says Joanna McCollum accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Joanna McCollum see?
- In 2024, CMS data shows 86 Original Medicare patients and 400 services for Joanna McCollum. This counts Original Medicare only and measures volume, not quality.
- What is Joanna McCollum's NPI number?
- 1649390782. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Joanna McCollum, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 86 |
|---|---|
| Services billed to Medicare | 400 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Most frequent services
- Injection, ceftriaxone sodium, per 250 mg (J0696)60 services
- Detection test by immunoassay with direct visual observation for influenza virus (87804)54 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)53 services
- Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) (87880)43 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)28 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure71%
- High cholesterol62%
- Arthritis44%
- Anxiety27%
- Diabetes26%
- Depression26%
Practice locations
Addresses where Joanna McCollum is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 101 Edgewood DrMcComb, MS 39648 (601) 324‑3244
- 10319 Diberville BlvdDiberville, MS 39540 (228) 223‑1927
- 1272 Evelyn Gandy Pkwy, Suite 60Petal, MS 39465 · Petal Urgent Care LLC (601) 336‑5393
- 1514 Bienville BlvdOcean Springs, MS 39564 (228) 382‑9222
- 1529 Simpson Hwy 49Magee, MS 39111 (601) 439‑7288
Group practices
Medicare enrollment lists Joanna McCollum as a member of these groups (CMS data updated October 2, 2026).
- Hattiesburg Urgent Care LLC20 clinicians in the group
- Maxem Health Urgent Care Magee18 clinicians in the group
- Ocean Springs Urgent Care18 clinicians in the group
- Maxem Health Urgent Care McComb11 clinicians in the group
- Maxem Health Urgent Care Diberville9 clinicians in the group
- Picayune Urgent Care Clinic, LLC9 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in McComb
Clinicians with the same Medicare primary specialty in McComb, MS — not a recommendation.
Other clinicians in Hattiesburg Urgent Care LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649390782 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians