DR. SIGRID JOHANNESEN RINGENBERG MD
NPI 1265812614
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Nashville, TN
About Dr. Sigrid Johannesen Ringenberg Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SIGRID JOHANNESEN RINGENBERG MD (NPI 1265812614) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Nashville, Tennessee, licensed in Tennessee (61287) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, is affiliated with Baylor University Medical Center, and is a graduate of University Of Oklahoma College Of Medicine (2015).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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. Sigrid Johannesen Ringenberg Md 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 Reassignment
Medicare enrollment records show Sigrid Ringenberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Heath, TX 75032
- Reassigned Medicare billing, Texas enrollment
- 3,167 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 5
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.
Baylor University Medical Center
Acute Care Hospitals · Dallas, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37232 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Sigrid Ringenberg's NPI number?
The NPI number for Sigrid Ringenberg is 1265812614. It was assigned to this individual provider in the NPPES registry on June 1, 2015. The provider is also known as Dr. Sigrid Leigh Johannesen MD.
Where is Sigrid Ringenberg located?
Sigrid Ringenberg practices at 609 Oxford House 1313 21st Ave. South, Nashville, TN 37232. The listed phone number is (918) 814-0795.
What is Sigrid Ringenberg's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Sigrid Ringenberg enrolled in Medicare?
Yes. Sigrid Ringenberg 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 organization bills Medicare for Sigrid Ringenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sigrid Ringenberg reassigns Medicare benefits to Healthtexas Provider Network (Heath, TX). The 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 Sigrid Ringenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sigrid Ringenberg accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Sigrid Ringenberg 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 Sigrid Ringenberg affiliated with any hospitals?
According to CMS data, Sigrid Ringenberg is affiliated with Baylor University Medical Center.
When was this NPI record last updated?
The NPPES record for Sigrid Ringenberg was last updated on April 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Sigrid Johannesen Ringenberg, MD · NPI 1265812614
Thoracic Surgery (Cardiothoracic Vascular Surgery) physician in Nashville, Tennessee. Individual provider, active in the CMS NPPES registry since June 1, 2015.
## Identity
- **NPI:** 1265812614 (Entity type: Individual)
- **Enumerated:** June 1, 2015
- **Primary specialty:** Thoracic Surgery (Cardiothoracic Vascular Surgery) · taxonomy 208G00000X
- **State license:** 61287 (Tennessee)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 609 OXFORD HOUSE, 1313 21ST AVE. SOUTH, Nashville, TN 37232
- **Phone:** (918) 814-0795
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Healthtexas Provider Network (NPI 1538164116, Heath, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Oklahoma College Of Medicine, class of 2015
## Record status
- **NPPES last updated:** April 19, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1265812614) · Data from the CMS NPPES public registry.