JOHN K.L. PORTER, D.O., PC
NPI 1083096747
Internal Medicine in Montgomery, AL
About John K.l. Porter, D.o., Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN K.L. PORTER, D.O., PC (NPI 1083096747) is a healthcare organization registered as an internal medicine in Montgomery, Alabama and active in the NPI registry since June 2015. The organization holds a CLIA Waiver certificate valid through January 25, 2027, maintains a secondary practice location in Montgomery, and lists John K Porter, D.o./owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John K.l. Porter, D.o., Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by March 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
6Medicare enrollment records show 6 clinicians reassign Medicare billing to John K.L. Porter, D.O., PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 4 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.
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 01D2124865
John K L Porter Do PC · Montgomery, ALFrequently 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 K.L. Porter, D.O., PC's NPI number?
The NPI number for John K.L. Porter, D.O., PC is 1083096747. It was assigned to this organization in the NPPES registry on June 18, 2015.
Where is John K.L. Porter, D.O., PC located?
John K.L. Porter, D.O., PC is located at 4749 Berry Blvd, Montgomery, AL 36106. The listed phone number is (334) 579-3498.
What is John K.L. Porter, D.O., PC's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is John K.L. Porter, D.O., PC enrolled in Medicare?
Yes. John K.L. Porter, D.O., PC is registered in the Medicare PECOS enrollment system.
When is John K.L. Porter, D.O., PC's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Alabama, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through John K.L. Porter, D.O., PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to John K.L. Porter, D.O., PC. 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 Internal Medicine (1). Of these, 1 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does John K.L. Porter, D.O., PC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 01D2124865) is associated with this NPI, valid through January 25, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for John K.L. Porter, D.O., PC was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# John K.l. Porter, D.o., Pc · NPI 1083096747
Internal Medicine organization in Montgomery, Alabama. Organization record, active in the CMS NPPES registry since June 18, 2015.
## Identity
- **NPI:** 1083096747 (Entity type: Organization)
- **Enumerated:** June 18, 2015
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** John Porter, D.O./OWNER
## Practice location
- **Address:** 4749 BERRY BLVD, Montgomery, AL 36106-3079
- **Phone:** (334) 579-3498 · **Fax:** (334) 888-8611
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** March 31, 2027 (Non-DME Part B, Alabama, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 6 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (5), Internal Medicine (1); 1 practice at this address and 4 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 28, 2026
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1083096747) · Data from the CMS NPPES public registry.