STEFAN ARTURO LONGOBARDI MD
NPI 1548910458
Internal Medicine in Little Rock, AR
About Stefan Arturo Longobardi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEFAN ARTURO LONGOBARDI MD (NPI 1548910458) is an individual internal medicine provider in Little Rock, Arkansas, licensed in Arkansas (E-19609) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in Bradenton, and is a graduate of Other (2022).
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
Stefan Arturo Longobardi Md 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 Stefan Longobardi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Little Rock, AR 72205
- Reassigned Medicare billing, Arkansas enrollment
- 2,038 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 72205 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.
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
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 Stefan Longobardi's NPI number?
The NPI number for Stefan Longobardi is 1548910458. It was assigned to this individual provider in the NPPES registry on March 24, 2022.
Where is Stefan Longobardi located?
Stefan Longobardi practices at 4301 W Markham St # 508, Little Rock, AR 72205. The listed phone number is (501) 686-8000.
What is Stefan Longobardi's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Stefan Longobardi enrolled in Medicare?
Yes. Stefan Longobardi 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 Stefan Longobardi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stefan Longobardi reassigns Medicare benefits to University Of Arkansas For Medical Sciences (Little Rock, AR). 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 Stefan Longobardi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stefan Longobardi accept?
Health plans from Health Advantage and Octave list Stefan Longobardi 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 Stefan Longobardi was last updated on July 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Stefan Arturo Longobardi, MD · NPI 1548910458
Internal Medicine physician in Little Rock, Arkansas. Individual provider, active in the CMS NPPES registry since March 24, 2022.
## Identity
- **NPI:** 1548910458 (Entity type: Individual)
- **Enumerated:** March 24, 2022
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** E-19609 (Arkansas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4301 W MARKHAM ST # 508, Little Rock, AR 72205-7101
- **Phone:** (501) 686-8000 · **Fax:** (501) 526-5148
## 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:** University Of Arkansas For Medical Sciences (NPI 1043372220, Little Rock, AR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** July 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1548910458) · Data from the CMS NPPES public registry.