JOHANNA M ALVAREZ MSN, FNP-BC
NPI 1588219083
Nurse Practitioner - Family in Hattiesburg, MS
About Johanna M Alvarez Msn, Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHANNA M ALVAREZ MSN, FNP-BC (NPI 1588219083) is an individual family provider in Hattiesburg, Mississippi, licensed in Mississippi (905927) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Fairbanks, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
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
Johanna M Alvarez Msn, 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 Johanna Alvarez reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hattiesburg, MS 39401
- Reassigned Medicare billing, Mississippi enrollment
- 62 clinicians in this Medicare group
Tampa, FL 33617
- Reassigned Medicare billing, Florida, North Carolina and Pennsylvania enrollments
- 5 clinicians in this Medicare group
Virginia Beach, VA 23462
- Reassigned Medicare billing, Virginia enrollment
- 5 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 3
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 39401 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 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HATTIESBURG, MS 39401
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 Johanna Alvarez's NPI number?
The NPI number for Johanna Alvarez is 1588219083. It was assigned to this individual provider in the NPPES registry on August 2, 2019.
Where is Johanna Alvarez located?
Johanna Alvarez practices at 66 Old Airport Rd, Hattiesburg, MS 39401. The listed phone number is (601) 544-7500.
What is Johanna Alvarez's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Johanna Alvarez enrolled in Medicare?
Yes. Johanna Alvarez 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 Johanna Alvarez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Johanna Alvarez reassigns Medicare benefits to 3 organizations: Southeast Mississippi Rural Health Initiative, Inc. (Hattiesburg, MS), Ansible Health Medical Group PA (Tampa, FL) and Ansible Professionals LLC (Virginia Beach, VA). 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 Johanna Alvarez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Johanna Alvarez accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee list Johanna Alvarez 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.
When was this NPI record last updated?
The NPPES record for Johanna Alvarez was last updated on December 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Johanna M Alvarez, MSN, FNP-BC · NPI 1588219083
Family physician in Hattiesburg, Mississippi. Individual provider, active in the CMS NPPES registry since August 2, 2019.
## Identity
- **NPI:** 1588219083 (Entity type: Individual)
- **Enumerated:** August 2, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 905927 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 66 OLD AIRPORT RD, Hattiesburg, MS 39401-8382
- **Phone:** (601) 544-7500
## 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): Southeast Mississippi Rural Health Initiative, Inc. (NPI 1538136940, Hattiesburg, MS); Ansible Health Medical Group PA (NPI 1093592644, Tampa, FL); Ansible Professionals LLC (NPI 1205588324, Virginia Beach, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** December 21, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1588219083) · Data from the CMS NPPES public registry.