Doctor profile · Federal record
Dr. Justina Tseng, MD
Rheumatology Physician (CMS: Rheumatology) · Redding, CA
- NPI 1346276540
- 28 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
1335 Buenaventura Blvd
Redding, CA 960010160
(530) 287-9758
fax (530) 276-0027 - Additional location
-
4725 Market St
San Diego, CA 921024715
(619) 515-2560 - Additional location
-
243 Elm St
Claremont, NH 037434921
(858) 227-9187 - Mailing address
-
1809 National Ave
San Diego, CA 921132113
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- March 5, 2026
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- California #C54040
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1346276540. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
510
Distinct HCPCS
6
Medicare allowed
$46,530
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 255 | 180 | $92 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 168 | 136 | $92 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 32 | 30 | $63 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 23 | 21 | $60 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 16 | 16 | $136 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 16 | 15 | $131 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 85. This provider delivers 6.0× the peer median.Open Payments
Industry payments received
All-time total
$690
Transactions
29
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 4 | $176.26 | |
| ABBVIE INC. | 7 | $147.33 | |
| Amgen Inc. | 5 | $95.07 | |
| PFIZER INC. | 5 | $91.91 | |
| SOBI, INC | 2 | $52.73 | |
| Organon Llc | 2 | $47.77 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $24.17 | |
| UCB, Inc. | 1 | $21.12 | |
| Kiniksa Pharmaceuticals International, plc | 1 | $19.51 | |
| Novartis Pharmaceuticals Corporation | 1 | $14.61 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,645
Patients
712
Total drug cost
$5,993,339
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methotrexate (Methotrexate Sodium) | Brand | 496 | 116 | $19,377 |
| Prednisone | Generic | 349 | 141 | $3,188 |
| Hydroxychloroquine Sulfate | Generic | 327 | 99 | $29,720 |
| Leflunomide | Generic | 292 | 88 | $37,254 |
| Humira(Cf) Pen (Adalimumab) | Brand | 257 | 37 | $2,562,476 |
| Orencia Clickject (Abatacept) | Brand | 174 | 31 | $1,137,818 |
| Diclofenac Sodium | Generic | 165 | 53 | $7,741 |
| Leucovorin Calcium | Generic | 95 | 23 | $1,006 |
| Rinvoq (Upadacitinib) | Brand | 89 | 17 | $659,811 |
| Enbrel Sureclick (Etanercept) | Brand | 87 | 18 | $677,933 |
Frequently asked questions
What is Dr. Justina Tseng's medical specialty?
Dr. Justina Tseng practices Rheumatology Physician in Redding, CA.
Where does Dr. Justina Tseng practice?
Dr. Justina Tseng practices at 1335 Buenaventura Blvd, Redding, CA 960010160. Office phone: 5302879758.
What is Dr. Justina Tseng's NPI?
Dr. Justina Tseng's National Provider Identifier (NPI) is 1346276540, issued by NPPES.
Does Dr. Justina Tseng accept Medicare assignment?
Dr. Justina Tseng does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Justina Tseng commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.