PORTLAND MEDICAL
NPI 1679230510
Clinic/Center - Primary Care in Portland, TN
About Portland Medical NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PORTLAND MEDICAL (NPI 1679230510) is a healthcare organization registered as a primary care in Portland, Tennessee and active in the NPI registry since November 2021. The organization lists Lisa Marie Nazarenus, Apn, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
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)
Portland Medical is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
4Medicare enrollment records show 4 clinicians reassign Medicare billing to Portland Medical, which bills Medicare for the services they deliver. Of these, 4 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (4)
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 Portland Medical's NPI number?
The NPI number for Portland Medical is 1679230510. It was assigned to this organization in the NPPES registry on November 28, 2021.
Where is Portland Medical located?
Portland Medical is located at 307 S Broadway St, Portland, TN 37148. The listed phone number is (615) 325-6755.
What is Portland Medical's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.
Is Portland Medical enrolled in Medicare?
Yes. Portland Medical is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Portland Medical?
According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Portland Medical. 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 (3) and Family Practice (1). Of these, 4 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Portland Medical accept?
Health plans from Cigna Healthcare list Portland Medical 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 Portland Medical was last updated on November 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Portland Medical · NPI 1679230510
Primary Care organization in Portland, Tennessee. Organization record, active in the CMS NPPES registry since November 28, 2021.
## Identity
- **NPI:** 1679230510 (Entity type: Organization)
- **Enumerated:** November 28, 2021
- **Primary specialty:** Clinic/Center - Primary Care · taxonomy 261QP2300X
- **Organization subpart:** No
- **Authorized official:** Lisa Nazarenus, APN
## Practice location
- **Address:** 307 S BROADWAY ST, Portland, TN 37148-1413
- **Phone:** (615) 325-6755
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 4 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (3), Family Practice (1); 4 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 28, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1679230510) · Data from the CMS NPPES public registry.