Quick answers
- Does Mary S. Missak accept Medicare assignment?
- Yes. Medicare's clinician data says Mary S. Missak 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 Mary S. Missak see?
- In 2024, CMS data shows 2,475 Original Medicare patients and 4,713 services for Mary S. Missak. This counts Original Medicare only and measures volume, not quality.
- What is Mary S. Missak's NPI number?
- 1962507061. 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 Mary S. Missak, 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 | 2,475 |
|---|---|
| Services billed to Medicare | 4,713 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)3,106 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)339 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)236 services
- Advance care planning, first 30 minutes (99497)204 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)187 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 pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease56%
- Diabetes44%
- Chronic kidney disease42%
Hospitals where Mary S. Missak works
Medicare's Facility Affiliation Data lists Mary S. Missak at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Baptist Memorial HospitalMemphis, TN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 440048
- Baptist Memorial Hospital DesotoSouthaven, MS · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 250141
- Baptist Memorial Hospital-Crittenden, IncWest Memphis, AR · Acute Care Hospital · Emergency services: listed by Medicare · CCN 040156
- Methodist Healthcare - Olive Branch HospitalOlive Branch, MS · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 250167
- Methodist Hospitals of MemphisMemphis, TN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 440049
Practice locations
Addresses where Mary S. Missak is enrolled with Medicare (CMS data updated October 2, 2026).
- 391 Southcrest Cir, Suite 101Southaven, MS 38671 (662) 349‑0356
- 7601 Southcrest PkwySouthaven, MS 38671 (662) 772‑4000
- 7680 Airways BlvdSouthaven, MS 38671 (662) 349‑1999
Group practices
Medicare enrollment lists Mary S. Missak as a member of these groups (CMS data updated October 2, 2026).
- Baptist Memorial Hospital-Desoto, Inc.10 clinicians in the group
- Southaven Internal Medicine, P.C.2 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Southaven
Clinicians with the same Medicare primary specialty in Southaven, MS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1979 (47 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1962507061 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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