Doctor profile · Federal record
Dr. Walter Zibas, MD
Pulmonary Disease Physician (CMS: Internal Medicine) · Internal Medicine Physician · Knoxville, TN
- NPI 1437185915
- Accepts Medicare
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
6473 Kingston Pike
Knoxville, TN 753202333
(865) 588-8831
fax (865) 588-8841 - Additional location
-
10904 Kingston Pike Ste 102
Knoxville, TN 379342952
(865) 392-1540 - Additional location
-
2240 Sutherland Ave Ste 103
Knoxville, TN 379192333
fax (868) 588-8841 - Mailing address
-
Po Box 94670
Oklahoma City, OK 731434670
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- May 27, 2025
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- Tennessee #27781
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437185915. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,405
Distinct HCPCS
8
Medicare allowed
$120,701
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 929 | 293 | $74 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 145 | 85 | $111 | |
99238 |
Hospital discharge day management, 30 minutes or less | 131 | 130 | $75 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 98 | 98 | $161 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 40 | 40 | $119 | |
99239 |
Hospital discharge day management, more than 30 minutes | 39 | 38 | $107 | |
99497 |
Advance care planning, first 30 minutes | 12 | 12 | $71 | |
G0180 |
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 11 | 11 | $48 |
In context: peer comparison
Among 28 peers in Knoxville Pulmonary Disease Physician, average services per provider: 80. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$332
Transactions
10
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 2 | $143.69 | |
| Csl Behring | 3 | $85.12 | |
| Abbvie INC. | 2 | $49.07 | |
| Pfizer INC. | 2 | $38.40 | |
| Janssen Pharmaceuticals, INC | 1 | $16.21 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
372
Patients
188
Total drug cost
$43,671
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 56 | 26 | $36,681 |
| Atorvastatin Calcium | Generic | 44 | 26 | $556 |
| Amlodipine Besylate | Generic | 40 | 23 | $144 |
| Pantoprazole Sodium | Generic | 34 | 21 | $244 |
| Metoprolol Tartrate | Generic | 33 | 17 | $182 |
| Cefdinir | Generic | 21 | 21 | $244 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 20 | 14 | $264 |
| Carvedilol | Generic | 19 | 0 | $135 |
| Furosemide | Generic | 17 | 13 | $73 |
| Imipenem-Cilastatin Sodium (Imipenem/Cilastatin Sodium) | Brand | 16 | 0 | $4,387 |
Hospital affiliations
Frequently asked questions
What is Dr. Walter Zibas's medical specialty?
Dr. Walter Zibas practices Pulmonary Disease Physician in Knoxville, TN.
Where does Dr. Walter Zibas practice?
Dr. Walter Zibas practices at 6473 Kingston Pike, Knoxville, TN 753202333. Office phone: 8655888831.
What is Dr. Walter Zibas's NPI?
Dr. Walter Zibas's National Provider Identifier (NPI) is 1437185915, issued by NPPES.
Does Dr. Walter Zibas accept Medicare assignment?
Yes. Dr. Walter Zibas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Walter Zibas commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.