Quick answers
- Does Margaret I. Costello accept Medicare assignment?
- Yes. Medicare's clinician data says Margaret I. Costello 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 Margaret I. Costello see?
- In 2024, CMS data shows 378 Original Medicare patients and 6,614 services for Margaret I. Costello. This counts Original Medicare only and measures volume, not quality.
- What is Margaret I. Costello's NPI number?
- 1245566629. 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 Margaret I. Costello, 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 | 378 |
|---|---|
| Services billed to Medicare | 6,614 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Aminolevulinic acid hcl for topical administration, 10% gel, 10 mg (J7345)4,800 services
- Destruction of precancer skin growth, 2-14 growths (17003)407 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)378 services
- Destruction of skin growth, 1-14 growths (17110)212 services
- Destruction of precancer skin growth, 1 growth (17000)182 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 cholesterol75%
- High blood pressure65%
- Arthritis45%
- Anxiety20%
- Osteoporosis20%
- Ischemic heart disease19%
Practice locations
Addresses where Margaret I. Costello is enrolled with Medicare (CMS data updated October 2, 2026).
- 8505 College BlvdOverland Park, KS 66210 (913) 541‑3230
Group practices
Medicare enrollment lists Margaret I. Costello as a member of this group (CMS data updated October 2, 2026).
- Epiphany Dermatology of Kansas LLC14 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Overland Park
Clinicians with the same Medicare primary specialty in Overland Park, KS — not a recommendation.
Other clinicians in Epiphany Dermatology of Kansas LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245566629 |
| 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