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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MOBILE VASCULAR LABS LLC
NPI 1124354501
Internal Medicine - Nephrology in Mobile, AL

Active since October 20, 2009CLIA 01D2152563 · Waiver
1551 OLD SHELL RD, MOBILE, AL 36604(251) 433-1180(251) 433-1181 Get Directions Write a Review

NPPES record last updated: October 2, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 2, 2026, Aug 27, 2026, Nov 18, 2025 and 1 more (4 updates tracked since 2019).

About Mobile Vascular Labs Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MOBILE VASCULAR LABS LLC (NPI 1124354501) is a healthcare organization registered as a nephrology in Mobile, Alabama and active in the NPI registry since October 2009. The organization holds a CLIA Waiver certificate valid through August 12, 2028, maintains a secondary practice location in Mobile, and lists Gregg Miller, Authorized Official, as its authorized official.

NPPES Registry Identity

NPI1124354501
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameMOBILE VASCULAR LABS LLC
Location Address1551 OLD SHELL RDMobile, AL 36604-1354
Mailing AddressPo Box 410207Boston, MA 02241-0207 · (610) 644-8900 · Fax (484) 924-0053
Phone(251) 433-1180
Fax(251) 433-1181
Organization SubpartNo
Authorized OfficialGregg MillerAuthorized Official · (717) 515-4048
Enumeration DateOctober 20, 2009
Last NPPES UpdateOctober 2, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2026
✔ NPI 1124354501 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
1551 OLD SHELL RD, Mobile, AL 36604
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Secondary Practice Location 1

Location 1336 N Broad St, Ste AMobile, AL 36603-5801 · Phone (251) 433-1180 · Fax (251) 433-1181

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter Health and more.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)

Mobile Vascular Labs Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Mobile Vascular Labs LLC, which bills Medicare for the services they deliver. Of these, 4 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

John Guirguis, M.D.
Nephrology
NPI 1972922466
124 S UNIVERSITY BLVD STE A
Mobile, AL 36608
(251) 343-5004
✔ PECOS✔ Accepts Medicare5.8 mi
Michael Kleinmann, D.O.
Nephrology
NPI 1386620912
124A SOUTH UNIVERSITY BLVD
Mobile, AL 36608
(251) 343-5004
✔ PECOS✔ Accepts Medicare5.8 mi
John Nipper, M.D.
Nephrology
NPI 1083690465
124A SOUTH UNIVERSITY BLVD.
Mobile, AL 36608
(251) 343-5004
✔ PECOS✔ Accepts Medicare5.8 mi
Stephen Wilber, M.D.
Nephrology
NPI 1457337081
124A SOUTH UNIVERSITY BLVD
Mobile, AL 36608
(251) 343-5004
✔ PECOS✔ Accepts Medicare5.8 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 01D2152563

Mobile Vascular Labs LLC · Mobile, AL
Active · expires Aug 12, 2028
CLIA Number01D2152563
Laboratory TypePhysician Office
Certificate Effective DateAugust 13, 2026
Certificate Expiration DateAugust 12, 2028
Laboratory DirectorMichael C. Kleinmann
Laboratory Phone(251) 433-1180
Laboratory LocationMobile Vascular Labs LLC1551 Old Shell Road, Mobile, AL 36604
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Mobile Vascular Labs LLC's NPI number?

The NPI number for Mobile Vascular Labs LLC is 1124354501. It was assigned to this organization in the NPPES registry on October 20, 2009.

Where is Mobile Vascular Labs LLC located?

Mobile Vascular Labs LLC is located at 1551 Old Shell Rd, Mobile, AL 36604. The listed phone number is (251) 433-1180.

What is Mobile Vascular Labs LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Mobile Vascular Labs LLC enrolled in Medicare?

Yes. Mobile Vascular Labs LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mobile Vascular Labs LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians, all in Nephrology, reassign their Medicare billing to Mobile Vascular Labs 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. Of these, 4 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Mobile Vascular Labs LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 01D2152563) is associated with this NPI, valid through August 12, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Mobile Vascular Labs LLC accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee list Mobile Vascular Labs 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 Mobile Vascular Labs LLC was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.