Walter M. Zibas, MD
Pulmonary Disease Physician · Knoxville, TN
Walter M. Zibas, MD is a pulmonary disease physician with a practice address in Knoxville, Tennessee, and NPI 1437185915, issued on Jun 25, 2006. Check the license (Tennessee 27781, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Walter M. Zibas
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 27781 TN
Self-reported in NPPES; status is on the state search - Practice location
- 6473 Kingston Pike, Knoxville, TN 75320
- Phone
- (865) 588-8831
- Enumerated
- Jun 25, 2006
- Record last updated
- May 27, 2025
- Fax
- (865) 588-8841
- Medicare enrollment
- Enrolled (PECOS I20040504001530); accepts Medicare assignment
- Medical or professional school
- East Tennessee State University Quillen College Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 359 in Tennessee → Look up another NPI →
Also registered at 6473 Kingston Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abdelhamid Alsharif, MDPulmonary Disease Physician1689985285
- Gwendolyn Crenshaw, APN, FNPFamily Nurse Practitioner1972654374
- Jason Frisbee, DOPulmonary Disease Physician1740508977
- John Morrison, D.O.Pulmonary Disease Physician1740316421
- Allen Smith, MDPulmonary Disease Physician1851398259
Verify Walter M. Zibas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 27781Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
906 Medicare Part D claims for 246 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Atorvastatin Calcium70 claims
- Eliquis62 claims
- Losartan Potassium39 claims
- Amlodipine Besylate38 claims
- Prednisone33 claims
- Metoprolol Tartrate30 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: $332.49
10 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,806 providers of this specialty with any payment received $5,159.88 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
- Statcare Inpatient LLCKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Walter M. Zibas among 359 pulmonary disease physician records in Tennessee
Walter M. Zibas, MD is one of 359 pulmonary disease physician records with a practice address in Tennessee. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 46% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated1992 · median 2003 among the 288 with a school on file
- Record last updated2025 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Tennessee
There are 359 pulmonary disease physician records in Tennessee.
All 359 in Tennessee → Every provider in Knoxville → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Abdelhamid Alsharif, MDKnoxville, TN 753201689985285
- Jason Frisbee, DOKnoxville, TN 753201740508977
- John Morrison, D.O.Knoxville, TN 753201740316421
- Allen Smith, MDKnoxville, TN 753201851398259
- Bernadette Hee, M.D.Cookeville, TN 385011902839806
- Douglas Kane, M.D.Cookeville, TN 385011659306611
- Gowthami Kobbari, MDCookeville, TN 385011376061226
- Hima Kona, MDCookeville, TN 385011982800603
Common questions
What is Walter M. Zibas, MD's NPI number?
Walter M. Zibas, MD's National Provider Identifier (NPI) is 1437185915, issued on Jun 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Walter M. Zibas, MD located?
The NPPES record lists a practice address at 6473 Kingston Pike, Knoxville, TN, 75320. Phone: (865) 588-8831. Providers update this record themselves, so call before visiting.
How can I verify Walter M. Zibas, MD's license?
NPPES lists Tennessee license number 27781, 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 Walter M. Zibas, MD prescribe under Medicare Part D?
In 2024, Walter M. Zibas, MD had 906 Medicare Part D claims for 246 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.