ROBERT CLIFTON KNIZLEY JR. MD
NPI 1952501983
Internal Medicine in Mobile, AL
About Robert Clifton Knizley Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT CLIFTON KNIZLEY JR. MD (NPI 1952501983) is an individual internal medicine provider in Mobile, Alabama, licensed in Alabama (29469) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Robert Clifton Knizley Jr. Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
7Medicare enrollment records show Robert Knizley reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Shelbyville, TN 37160
- Reassigned Medicare billing, Tennessee enrollment
- 498 clinicians in this Medicare group
Franklin, TN 37067
- Reassigned Medicare billing, Tennessee enrollment
- 1,304 clinicians in this Medicare group
Nashville, TN 37203
- Reassigned Medicare billing, Tennessee enrollment
- 420 clinicians in this Medicare group
Gallatin, TN 37066
- Reassigned Medicare billing, Tennessee enrollment
- 195 clinicians in this Medicare group
Oak Ridge, TN 37830
- Reassigned Medicare billing, Tennessee enrollment
- 1,085 clinicians in this Medicare group
Rogersville, TN 37857
- Reassigned Medicare billing, Tennessee enrollment
- 861 clinicians in this Medicare group
Lawrenceburg, IN 47025
- Reassigned Medicare billing, Tennessee enrollment
- 394 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 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 36607 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
MOBILE, AL 36607
MOBILE, AL 36607
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 Robert Knizley's NPI number?
The NPI number for Robert Knizley is 1952501983. It was assigned to this individual provider in the NPPES registry on July 18, 2007.
Where is Robert Knizley located?
Robert Knizley practices at 5 Mobile Infirmary Cir, Mobile, AL 36607. The listed phone number is (251) 545-4579.
What is Robert Knizley's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Robert Knizley enrolled in Medicare?
Yes. Robert Knizley is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Robert Knizley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Knizley reassigns Medicare benefits to 7 organizations: App Of Tennessee Hm, PLLC (Shelbyville, TN), Saint Thomas Medical Partners (Franklin, TN), Hospital Medicine Services Of Tn, LLC (Nashville, TN), Anova Medical Associates, Plc (Gallatin, TN), Southeastern Physician Services PC (Oak Ridge, TN) and 2 more organizations, listed in the Medicare section above. 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 Robert Knizley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Knizley accept?
Health plans from Cigna Healthcare list Robert Knizley 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 Robert Knizley was last updated on June 1, 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.