Doctor profile · Federal record
Dr. Ernest Han, MD
Gynecologic Oncology Physician (CMS: Gynecological Oncology) · Duarte, CA
- NPI 1639247950
- Accepts Medicare
- MIPS 91.9 / 100 · 2023
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1500 E Duarte Road
Duarte, CA 910103012
(626) 256-4673
fax (626) 408-3911 - Mailing address
-
1333 S Mayflower Ave 2Nd Fl
Monrovia, CA 910165266
Credentials & registration
- NPI registered
- December 2006 — 20 yrs on file
- Profile last updated
- November 27, 2023
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207VX0201X — NUCC code
- State license (1)
- California #A85994
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639247950. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
294
Distinct HCPCS
4
Medicare allowed
$27,677
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 137 | 123 | $69 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 115 | 78 | $102 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 31 | 31 | $140 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 11 | 11 | $190 |
In context: peer comparison
Among 4 peers in Duarte Gynecologic Oncology Physician, average services per provider: 51. This provider delivers 5.8× the peer median.Open Payments
Industry payments received
All-time total
$195
Transactions
8
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 2 | $63.06 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $34.35 | |
| Novartis Pharmaceuticals Corporation | 1 | $29.83 | |
| Tempus Ai, INC | 1 | $27.62 | |
| Merck Sharp & Dohme LLC | 1 | $22.44 | |
| Eisai INC. | 1 | $17.21 |
By nature of payment
Frequently asked questions
What is Dr. Ernest Han's medical specialty?
Dr. Ernest Han practices Gynecologic Oncology Physician in Duarte, CA.
Where does Dr. Ernest Han practice?
Dr. Ernest Han practices at 1500 E Duarte Road, Duarte, CA 910103012. Office phone: 6262564673.
What is Dr. Ernest Han's NPI?
Dr. Ernest Han's National Provider Identifier (NPI) is 1639247950, issued by NPPES.
Does Dr. Ernest Han accept Medicare assignment?
Yes. Dr. Ernest Han accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ernest Han commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.