Quick answers
- Does Karen M. Alexander accept Medicare assignment?
- Yes. Medicare's clinician data says Karen M. Alexander 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 Karen M. Alexander see?
- In 2024, CMS data shows 25 Original Medicare patients and 33 services for Karen M. Alexander. This counts Original Medicare only and measures volume, not quality.
- What is Karen M. Alexander's NPI number?
- 1891949863. 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 Karen M. Alexander, 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 | 25 |
|---|---|
| Services billed to Medicare | 33 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 43 |
Hospitals where Karen M. Alexander works
Medicare's Facility Affiliation Data lists Karen M. Alexander 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.
- Johns Hopkins All Children's HospitalSaint Petersburg, FL · Children's Hospital · Emergency services: listed by Medicare · CCN 103300
Practice locations
Addresses where Karen M. Alexander is enrolled with Medicare (CMS data updated October 2, 2026).
- 601 5th St S, Suite 5St Petersburg, FL 33701 (727) 727‑4429
Group practices
Medicare enrollment lists Karen M. Alexander as a member of this group (CMS data updated October 2, 2026).
- Pediatric Physician Services, Inc.209 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in St Petersburg
Clinicians with the same Medicare primary specialty in St Petersburg, FL — not a recommendation.
Other clinicians in Pediatric Physician Services, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891949863 |
| 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