ALENA KAROTKINA
NPI 1124996640
Nurse Practitioner in Miami Beach, FL
About Alena Karotkina NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALENA KAROTKINA (NPI 1124996640) is an individual nurse practitioner in Miami Beach, Florida, licensed in Florida (11042013) and active in the NPI registry since October 2025. She is enrolled in Medicare PECOS, is affiliated with Mount Sinai Medical Center Of Florida, Inc, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Alena Karotkina is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Alena Karotkina reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Miami Beach, FL 33140
- Reassigned Medicare billing, Florida enrollment
- 240 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Sinai Medical Center Of Florida, Inc
Acute Care Hospitals · Miami Beach, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33140 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MIAMI BEACH, FL 33140
MIAMI BEACH, FL 33140
MIAMI BEACH, FL 33140
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alena Karotkina's NPI number?
The NPI number for Alena Karotkina is 1124996640. It was assigned to this individual provider in the NPPES registry on October 27, 2025.
Where is Alena Karotkina located?
Alena Karotkina practices at 4310 Alton Rd, Miami Beach, FL 33140. The listed phone number is (305) 674-9100.
What is Alena Karotkina's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Alena Karotkina enrolled in Medicare?
Yes. Alena Karotkina is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Alena Karotkina's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alena Karotkina reassigns Medicare benefits to Physician Practices Of Msmc, LLC (Miami Beach, FL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alena Karotkina's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alena Karotkina accept?
Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Ambetter of Alabama, Cigna HealthCare of Florida, Inc. and Cigna Healthcare and 1 other insurer list Alena Karotkina as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Alena Karotkina affiliated with any hospitals?
According to CMS data, Alena Karotkina is affiliated with Mount Sinai Medical Center Of Florida, Inc.
When was this NPI record last updated?
The NPPES record for Alena Karotkina was last updated on April 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Alena Karotkina · NPI 1124996640
Nurse Practitioner physician in Miami Beach, Florida. Individual provider, active in the CMS NPPES registry since October 27, 2025.
## Identity
- **NPI:** 1124996640 (Entity type: Individual)
- **Enumerated:** October 27, 2025
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 11042013 (Florida)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4310 ALTON RD, Miami Beach, FL 33140-2840
- **Phone:** (305) 674-9100
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Physician Practices Of Msmc, LLC (NPI 1356630628, Miami Beach, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** April 30, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1124996640) · Data from the CMS NPPES public registry.