Doctor profile · Federal record
Dr. Jill Tseng, M.D.
Gynecologic Oncology Physician (CMS: Gynecological Oncology) · Orange, CA
- NPI 1265759807
- Accepts Medicare
- 16 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
101 the City Drive South, Pav III, Bldg 29, Suite 501
Orange, CA 928685900
(714) 456-8000
fax (714) 456-8055 - Additional location
-
1000 W la Veta Ave Fl 1
Orange, CA 928684304
(714) 734-6294
fax (714) 734-6231 - Additional location
-
24411 Health Center Dr Ste 610
Laguna Hills, CA 926533672
(949) 452-7277
fax (949) 452-7282 - Mailing address
-
333 City Blvd W Ste 1400
Orange, CA 928685900
Credentials & registration
- NPI registered
- April 2010 — 16 yrs on file
- Profile last updated
- September 13, 2018
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207VX0201X — NUCC code
- State license (1)
- California #A156171
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265759807. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
357
Distinct HCPCS
4
Medicare allowed
$38,159
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 309 | 145 | $105 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 22 | 22 | $143 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 13 | 11 | $104 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 13 | 12 | $104 |
In context: peer comparison
Among 2 peers in Orange Gynecologic Oncology Physician, average services per provider: 64. This provider delivers 5.6× the peer median.Open Payments
Industry payments received
All-time total
$338
Transactions
10
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 1 | $110.00 | |
| GlaxoSmithKline, LLC. | 4 | $96.86 | |
| Eisai INC. | 2 | $58.16 | |
| Merck Sharp & Dohme LLC | 2 | $40.75 | |
| Tela Bio, INC. | 1 | $31.84 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Jill Tseng's medical specialty?
Dr. Jill Tseng practices Gynecologic Oncology Physician in Orange, CA.
Where does Dr. Jill Tseng practice?
Dr. Jill Tseng practices at 101 the City Drive South, Orange, CA 928685900. Office phone: 7144568000.
What is Dr. Jill Tseng's NPI?
Dr. Jill Tseng's National Provider Identifier (NPI) is 1265759807, issued by NPPES.
Does Dr. Jill Tseng accept Medicare assignment?
Yes. Dr. Jill Tseng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jill Tseng commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.