MRS. KATHRYN MARKEY GIARDINA AGACNP-BC, FNP-BC
NPI 1790205235
Nurse Practitioner - Acute Care in Biloxi, MS
About Mrs. Kathryn Markey Giardina Agacnp-bc, Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. KATHRYN MARKEY GIARDINA AGACNP-BC, FNP-BC (NPI 1790205235) is an individual acute care provider in Biloxi, Mississippi, licensed in Mississippi (902120) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Memorial Hospital At Gulfport, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Mrs. Kathryn Markey Giardina Agacnp-bc, Fnp-bc 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 Kathryn Giardina reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Biloxi, MS 39532
- Reassigned Medicare billing, Mississippi enrollment
- 731 clinicians in this Medicare group
Jackson, MS 39202
- Reassigned Medicare billing, Mississippi enrollment
- 154 clinicians in this Medicare group
Jackson, MS 39202
- Reassigned Medicare billing, Mississippi enrollment
- 71 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hospital At Gulfport
Acute Care Hospitals · Gulfport, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39531 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 13
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BILOXI, MS 39531
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 Kathryn Giardina's NPI number?
The NPI number for Kathryn Giardina is 1790205235. It was assigned to this individual provider in the NPPES registry on June 26, 2017.
Where is Kathryn Giardina located?
Kathryn Giardina practices at 400 Veterans Ave, Biloxi, MS 39531. The listed phone number is (228) 523-5453.
What is Kathryn Giardina's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Kathryn Giardina enrolled in Medicare?
Yes. Kathryn Giardina 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 Kathryn Giardina's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Giardina reassigns Medicare benefits to 3 organizations: Memorial Hospital At Gulfport (Biloxi, MS), Mississippi Baptist Medical Center, Inc. (Jackson, MS) and Mississippi Physicians LLP (Jackson, MS). 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 Kathryn Giardina's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kathryn Giardina accept?
Health plans from Blue Cross and Blue Shield of Alabama, Cigna Healthcare and Molina Healthcare list Kathryn Giardina 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 Kathryn Giardina affiliated with any hospitals?
According to CMS data, Kathryn Giardina is affiliated with Memorial Hospital At Gulfport.
When was this NPI record last updated?
The NPPES record for Kathryn Giardina was last updated on October 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Mrs. Kathryn Markey Giardina, AGACNP-BC, FNP-BC · NPI 1790205235
Acute Care physician in Biloxi, Mississippi. Individual provider, active in the CMS NPPES registry since June 26, 2017.
## Identity
- **NPI:** 1790205235 (Entity type: Individual)
- **Enumerated:** June 26, 2017
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 902120 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 VETERANS AVE, Biloxi, MS 39531-2410
- **Phone:** (228) 523-5453
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Memorial Hospital At Gulfport (NPI 1609203173, Biloxi, MS); Mississippi Baptist Medical Center, Inc. (NPI 1467589556, Jackson, MS); Mississippi Physicians LLP (NPI 1982011714, Jackson, MS) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** October 21, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1790205235) · Data from the CMS NPPES public registry.