Sigrid Johannesen Ringenberg, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Nashville, TN
Sigrid Johannesen Ringenberg, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Nashville, Tennessee, and NPI 1265812614, issued on Jun 1, 2015. Check the license (Tennessee 61287, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Sigrid Johannesen Ringenberg
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License numbers
- 61287 TN
31536 OK
U3254 TX
Self-reported in NPPES; status is on the state search - Practice location
- 609 Oxford House, Nashville, TN 37232
- Phone
- (918) 814-0795
- Enumerated
- Jun 1, 2015
- Record last updated
- Apr 19, 2023
- Medicare enrollment
- Enrolled (PECOS I20231005000517); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 131 in Tennessee → Look up another NPI →
Verify Sigrid Johannesen Ringenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 61287Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
47 Medicare Part D claims for 27 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Oxycodone Hcl13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $2,621.74
15 payments; by number, the most common kind was food and beverage; the largest payer was Medical Device Business Services, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Healthtexas Provider NetworkDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sigrid Johannesen Ringenberg among 131 thoracic surgery (cardiothoracic vascular surgery) physician records in Tennessee
Sigrid Johannesen Ringenberg, MD is one of 131 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Tennessee. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 90% of them.
- NPI issued2015 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2015 · median 1999 among the 88 with a school on file
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Tennessee
There are 131 thoracic surgery (cardiothoracic vascular surgery) physician records in Tennessee.
All 131 in Tennessee → Every provider in Nashville → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Tarek Absi, MDNashville, TN 372321578647681
- Matthew Bacchetta, MDNashville, TN 372321598866840
- Keki Balsara, MDNashville, TN 372321942467642
- Ben Barton, MDNashville, TN 372321487757605
- David Bichell, MDNashville, TN 372321346337474
- Karla Christian, MDNashville, TN 372321174621023
- Eric Grogan, M.D.Nashville, TN 372321023220753
- Eric Lambright, M.DNashville, TN 372321184657272
Common questions
What is Sigrid Johannesen Ringenberg, MD's NPI number?
Sigrid Johannesen Ringenberg, MD's National Provider Identifier (NPI) is 1265812614, issued on Jun 1, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Sigrid Johannesen Ringenberg, MD located?
The NPPES record lists a practice address at 609 Oxford House, Nashville, TN, 37232. Phone: (918) 814-0795. Providers update this record themselves, so call before visiting.
How can I verify Sigrid Johannesen Ringenberg, MD's license?
NPPES lists Tennessee license number 61287, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sigrid Johannesen Ringenberg, MD prescribe under Medicare Part D?
In 2024, Sigrid Johannesen Ringenberg, MD had 47 Medicare Part D claims for 27 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.