A4 SPECIALTY MEDICAL GROUP LLC
NPI 1659010361
Clinic/Center - Multi-Specialty in Anchorage, AK
About A4 Specialty Medical Group Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
A4 SPECIALTY MEDICAL GROUP LLC (NPI 1659010361), doing business as Lux Infusion, is a healthcare organization registered as a multi-specialty in Anchorage, Alaska and active in the NPI registry since June 2022. The organization maintains a secondary practice location in Palmer and lists Edward P Kramm, Chief Operating Officer, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
A4 Specialty Medical Group Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
6Medicare enrollment records show 6 clinicians reassign Medicare billing to A4 Specialty Medical Group LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.
Clinicians, nearest first (6)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 A4 Specialty Medical Group LLC's NPI number?
The NPI number for A4 Specialty Medical Group LLC is 1659010361. It was assigned to this organization in the NPPES registry on June 1, 2022. The provider is doing business as LUX Infusion.
Where is A4 Specialty Medical Group LLC located?
A4 Specialty Medical Group LLC is located at 510 W Tudor Rd Ste 1, Anchorage, AK 99503. The listed phone number is (907) 744-1944.
What is A4 Specialty Medical Group LLC's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.
Is A4 Specialty Medical Group LLC enrolled in Medicare?
Yes. A4 Specialty Medical Group LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through A4 Specialty Medical Group LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to A4 Specialty Medical Group LLC. A 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 the clinician's services. The largest specialties are Nurse Practitioner (5) and Allergy/Immunology (1). Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does A4 Specialty Medical Group LLC accept?
Health plans from Moda Health Plan, Inc. and Premera Blue Cross Blue Shield of Alaska list A4 Specialty Medical Group LLC 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 A4 Specialty Medical Group LLC was last updated on May 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# A4 Specialty Medical Group Llc · NPI 1659010361
Multi-Specialty organization in Anchorage, Alaska. Organization record, active in the CMS NPPES registry since June 1, 2022.
## Identity
- **NPI:** 1659010361 (Entity type: Organization)
- **Enumerated:** June 1, 2022
- **Primary specialty:** Clinic/Center - Multi-Specialty · taxonomy 261QM1300X
- **Also known as:** LUX Infusion (Doing Business As)
- **Organization subpart:** Yes (part of Biomatrix Specialty Pharmacy, Llc)
- **Authorized official:** Edward Kramm, CHIEF OPERATING OFFICER
## Practice location
- **Address:** 510 W TUDOR RD STE 1, Anchorage, AK 99503-6649
- **Phone:** (907) 744-1944 · **Fax:** (907) 921-7669
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 6 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (5), Allergy/Immunology (1); 2 practice at this address and 3 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1659010361) · Data from the CMS NPPES public registry.