DR. JOHN MICHAEL NIPPER M.D.
NPI 1083690465
Internal Medicine - Nephrology in Mobile, AL
About Dr. John Michael Nipper M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN MICHAEL NIPPER M.D. (NPI 1083690465) is an individual nephrology provider in Mobile, Alabama, licensed in Alabama (24016) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with George Regional Health System, and is a graduate of University Of Mississippi School Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 5
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
Dr. John Michael Nipper M.d. 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
2Medicare enrollment records show John Nipper reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mobile, AL 36608
- Reassigned Medicare billing, Alabama and Mississippi enrollments
- 40 clinicians in this Medicare group
Mobile, AL 36604
- Reassigned Medicare billing, Alabama enrollment
- 4 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 18
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
George Regional Health System
Acute Care Hospitals · Lucedale, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 36608 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOBILE, AL 36608
MOBILE, AL 36608
MOBILE, AL 36608
MOBILE, AL 36608
MOBILE, AL 36608
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 Nipper's NPI number?
The NPI number for John Nipper is 1083690465. It was assigned to this individual provider in the NPPES registry on December 19, 2005.
Where is John Nipper located?
John Nipper practices at 124A South University Blvd., Mobile, AL 36608. The listed phone number is (251) 343-5004.
What is John Nipper's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is John Nipper enrolled in Medicare?
Yes. John Nipper 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 Nipper's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Nipper reassigns Medicare benefits to 2 organizations: Nephrology Associates Of Mobile, P.A. (Mobile, AL) and Mobile Vascular Labs LLC (Mobile, AL). 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 Nipper's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Nipper 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 Nipper 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 Nipper affiliated with any hospitals?
According to CMS data, John Nipper is affiliated with George Regional Health System.
When was this NPI record last updated?
The NPPES record for John Nipper was last updated on August 12, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.