KAREN V SIERRA M.D
NPI 1265899702
Family Medicine in Weston, FL
About Karen V Sierra M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN V SIERRA M.D (NPI 1265899702) is an individual family medicine provider in Weston, Florida, licensed in Florida (ME127373) and active in the NPI registry since January 2016. She is enrolled in Medicare PECOS, is affiliated with Memorial Hospital Miramar, and maintains a secondary practice location in Weston.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Karen V Sierra M.d 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 Karen Sierra reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Weston, FL 33331
- Reassigned Medicare billing, Florida enrollment
- 839 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.
Areas of Expertise CMS Part B claims 15
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hospital Miramar
Acute Care Hospitals · Miramar, FLCleveland Clinic Hospital
Acute Care Hospitals · Weston, FLCleveland Clinic
Acute Care Hospitals · Cleveland, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33331 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Karen Sierra's NPI number?
The NPI number for Karen Sierra is 1265899702. It was assigned to this individual provider in the NPPES registry on January 27, 2016.
Where is Karen Sierra located?
Karen Sierra practices at 3250 Meridian Pkwy, Weston, FL 33331. The listed phone number is (954) 659-5867.
What is Karen Sierra's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Karen Sierra enrolled in Medicare?
Yes. Karen Sierra 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 Karen Sierra's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Sierra reassigns Medicare benefits to Cleveland Clinic Florida A Nonprofit Corporation (Weston, 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 Karen Sierra's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Sierra accept?
Health plans from 22 Health, Ambetter Health, Ambetter from Superior HealthPlan, AmeriHealth Caritas Next and AvMed and 4 other insurers list Karen Sierra 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 Karen Sierra affiliated with any hospitals?
According to CMS data, Karen Sierra is affiliated with Memorial Hospital Miramar, Cleveland Clinic Hospital and Cleveland Clinic.
When was this NPI record last updated?
The NPPES record for Karen Sierra was last updated on April 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.