RIANNE HOWARD CRNA
NPI 1356332399
Nurse Anesthetist, Certified Registered in Largo, FL
About Rianne Howard Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RIANNE HOWARD CRNA (NPI 1356332399) is an individual nurse anesthetist, certified registered in Largo, Florida, licensed in Florida (ARNP2681132) and active in the NPI registry since October 2005. She is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Rianne Howard Crna 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 Reassignments
3Medicare enrollment records show Rianne Howard reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Largo, FL 33770
- Reassigned Medicare billing, Florida enrollment
- 749 clinicians in this Medicare group
Dunedin, FL 34698
- Reassigned Medicare billing, Florida enrollment
- 112 clinicians in this Medicare group
Bradenton, FL 34208
- Reassigned Medicare billing, Florida enrollment
- 1,887 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33770 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 20
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 Rianne Howard's NPI number?
The NPI number for Rianne Howard is 1356332399. It was assigned to this individual provider in the NPPES registry on October 31, 2005.
Where is Rianne Howard located?
Rianne Howard practices at 1301 2nd Ave SW Suite 303, Largo, FL 33770. The listed phone number is (727) 581-8767.
What is Rianne Howard's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Rianne Howard enrolled in Medicare?
Yes. Rianne Howard 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 organizations bill Medicare for Rianne Howard's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rianne Howard reassigns Medicare benefits to 3 organizations: Greater Florida Anesthesiologists, LLC (Largo, FL), Pinellas County Anesthesia Associates, LLC (Dunedin, FL) and Anesthesia Dynamics LLC (Bradenton, FL). Each 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 Rianne Howard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Rianne Howard was last updated on April 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.