JOHN-MARIO WALTER ALTAMIRANO FNP
NPI 1659764041
Nurse Practitioner in Lafayette, LA
About John-mario Walter Altamirano Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN-MARIO WALTER ALTAMIRANO FNP (NPI 1659764041) is an individual nurse practitioner in Lafayette, Louisiana, licensed in Louisiana (AP08184) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, is affiliated with Ochsner Lafayette General Medical Center, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
John-mario Walter Altamirano Fnp 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 John-mario Altamirano reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lafayette, LA 70506
- Reassigned Medicare billing, Louisiana enrollment
- 548 clinicians in this Medicare group
Lafayette, LA 70506
- Reassigned Medicare billing, Louisiana enrollment
- Medicare enrollment name: University Hospital & Clinics, Inc.
- 206 clinicians in this Medicare group
Houma, LA 70360
- Reassigned Medicare billing, Louisiana and Mississippi enrollments
- 162 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 2
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ochsner Lafayette General Medical Center
Acute Care Hospitals · Lafayette, LAAcadia General Hospital
Acute Care Hospitals · Crowley, LAOchsner American Legion Hospital
Acute Care Hospitals · Jennings, LAOchsner St Martin Hospital
Critical Access Hospitals · Breaux Bridge, LAAbrom Kaplan Memorial Hospital
Critical Access Hospitals · Kaplan, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70506 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.
LAFAYETTE, LA 70506
LAFAYETTE, LA 70506
LAFAYETTE, LA 70506
LAFAYETTE, LA 70506
LAFAYETTE, LA 70506
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 John-mario Altamirano's NPI number?
The NPI number for John-mario Altamirano is 1659764041. It was assigned to this individual provider in the NPPES registry on March 10, 2015.
Where is John-mario Altamirano located?
John-mario Altamirano practices at 2730 Ambassador Caffery Pkwy, Lafayette, LA 70506. The listed phone number is (337) 988-1585.
What is John-mario Altamirano's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is John-mario Altamirano enrolled in Medicare?
Yes. John-mario Altamirano 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 John-mario Altamirano's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John-mario Altamirano reassigns Medicare benefits to 3 organizations: Lsuhn Billing LLC (Lafayette, LA), University Hospital And Clinics, Inc. (Lafayette, LA) and Cardiovascular Institute Of The South, LLC (Houma, LA). 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 John-mario Altamirano's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John-mario Altamirano accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 3 other insurers list John-mario Altamirano 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 John-mario Altamirano affiliated with any hospitals?
According to CMS data, John-mario Altamirano is affiliated with Ochsner Lafayette General Medical Center, Acadia General Hospital, Ochsner American Legion Hospital, Ochsner St Martin Hospital and Abrom Kaplan Memorial Hospital.
When was this NPI record last updated?
The NPPES record for John-mario Altamirano was last updated on January 20, 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.
# John-Mario Walter Altamirano, FNP · NPI 1659764041
Nurse Practitioner physician in Lafayette, Louisiana. Individual provider, active in the CMS NPPES registry since March 10, 2015.
## Identity
- **NPI:** 1659764041 (Entity type: Individual)
- **Enumerated:** March 10, 2015
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** AP08184 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 2730 AMBASSADOR CAFFERY PKWY, Lafayette, LA 70506-5939
- **Phone:** (337) 988-1585 · **Fax:** (337) 981-4694
## 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): Lsuhn Billing LLC (NPI 1992975775, Lafayette, LA); University Hospital And Clinics, Inc. (NPI 1265042782, Lafayette, LA); Cardiovascular Institute Of The South, LLC (NPI 1982689113, Houma, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** January 20, 2020
- **Other identifiers:** Medicaid 2387022 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1659764041) · Data from the CMS NPPES public registry.