Quick answers
- Does Carolyn Costilow accept Medicare assignment?
- Yes. Medicare's clinician data says Carolyn Costilow 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 Carolyn Costilow see?
- In 2024, CMS data shows 219 Original Medicare patients and 232 services for Carolyn Costilow. This counts Original Medicare only and measures volume, not quality.
- What is Carolyn Costilow's NPI number?
- 1538836846. 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 Carolyn Costilow, 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 | 219 |
|---|---|
| Services billed to Medicare | 232 |
| Different services or procedures | 56 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Anesthesia for lens surgery (00142)57 services
- Anesthesia for other procedure on large bowel using an endoscope (00811)18 services
- Anesthesia for other procedure on upper abdomen (00790)13 services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)12 services
- Anesthesia for nerve destruction procedures on spine or spinal cord of lower back accessed through skin using imaging guidance (01940)11 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%
- Arthritis58%
- Diabetes36%
- Ischemic heart disease32%
- Anxiety26%
Hospitals where Carolyn Costilow works
Medicare's Facility Affiliation Data lists Carolyn Costilow 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.
- University of Mississippi Medical Center- GrenadaGrenada, MS · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 250168
Practice locations
Addresses where Carolyn Costilow is enrolled with Medicare (CMS data updated October 2, 2026).
- 2100 Exeter Rd, Suite 200Germantown, TN 38138 (901) 699‑4436
- 499 Azalea DrOxford, MS 38655 (662) 234‑7979
- 960 Avent DrGrenada, MS 38901 (662) 227‑7000
Group practices
Medicare enrollment lists Carolyn Costilow as a member of this group (CMS data updated October 2, 2026).
- Willow Anesthesia Services LLC55 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Tennessee →
Other nurse anesthetists in Germantown
Clinicians with the same Medicare primary specialty in Germantown, TN — not a recommendation.
Other clinicians in Willow Anesthesia Services LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538836846 |
| 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