Doctor profile · Federal record
Dr. Janja Viltuznik, M.D.
Adult Medicine Physician (CMS: Family Practice) · Orange, CA
- NPI 1639182702
- Accepts Medicare
- 45 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2617 E Chapman Ave, Ste 205
Orange, CA 928693226
(714) 538-6822
fax (714) 280-4826 - Mailing address
-
2617 E Chapman Ave Ste 205
Orange, CA 928693248
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- October 25, 2022
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207QA0505X — NUCC code
- State license (1)
- California #A42658
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639182702. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
195
Distinct HCPCS
6
Medicare allowed
$20,202
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 76 | 55 | $99 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 57 | 57 | $140 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 21 | 17 | $62 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 15 | 11 | $139 | |
90662 |
Influenza vaccine split virus, preservative free | 13 | 13 | $72 | |
G0008 |
Administration of influenza virus vaccine | 13 | 13 | $29 |
In context: peer comparison
Among 1 peers in Orange Adult Medicine Physician, average services per provider: 32. This provider delivers 6.1× the peer median.Open Payments
Industry payments received
All-time total
$2,255
Transactions
66
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 14 | $636.17 | |
| Lilly USA, LLC | 12 | $489.49 | |
| Abbvie INC. | 14 | $302.82 | |
| Boston Scientific Corporation | 2 | $156.88 | |
| Phathom Pharmaceuticals, INC. | 1 | $124.54 | |
| Sumitomo Pharma America, INC. | 3 | $81.38 | |
| Janssen Pharmaceuticals, INC | 2 | $79.71 | |
| GlaxoSmithKline, LLC. | 3 | $67.60 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 3 | $64.88 | |
| Pfizer INC. | 3 | $56.54 | |
| Novo Nordisk INC | 3 | $54.10 | |
| Abiomed | 2 | $41.81 | |
| Merck Sharp & Dohme LLC | 2 | $40.54 | |
| Amgen INC. | 1 | $24.96 | |
| Exact Sciences Corporation | 1 | $19.11 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,916
Patients
610
Total drug cost
$38,273
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 250 | 68 | $5,599 |
| Atorvastatin Calcium | Generic | 238 | 73 | $3,597 |
| Amlodipine Besylate | Generic | 173 | 50 | $1,258 |
| Valsartan | Generic | 146 | 43 | $6,478 |
| Losartan Potassium | Generic | 143 | 47 | $2,099 |
| Lisinopril | Generic | 126 | 37 | $649 |
| Gabapentin | Generic | 121 | 29 | $1,828 |
| Rosuvastatin Calcium | Generic | 114 | 39 | $8,061 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 106 | 33 | $1,234 |
| Simvastatin | Generic | 101 | 30 | $1,326 |
Hospital affiliations
Frequently asked questions
What is Dr. Janja Viltuznik's medical specialty?
Dr. Janja Viltuznik practices Adult Medicine Physician in Orange, CA.
Where does Dr. Janja Viltuznik practice?
Dr. Janja Viltuznik practices at 2617 E Chapman Ave, Orange, CA 928693226. Office phone: 7145386822.
What is Dr. Janja Viltuznik's NPI?
Dr. Janja Viltuznik's National Provider Identifier (NPI) is 1639182702, issued by NPPES.
Does Dr. Janja Viltuznik accept Medicare assignment?
Yes. Dr. Janja Viltuznik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Janja Viltuznik commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.