Doctor profile · Federal record
Dr. Joanna du, M.D.
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Upland, CA
- NPI 1477731677
- Accepts Medicare
- 20 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1310 San Bernardino RD Ste 201
Upland, CA 917864985
(909) 579-0806
fax (909) 579-1331
Credentials & registration
- NPI registered
- February 2008 — 18 yrs on file
- Profile last updated
- July 8, 2022
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- California #A101756
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1477731677. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
109
Distinct HCPCS
3
Medicare allowed
$13,850
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 69 | 33 | $132 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 24 | 18 | $83 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 16 | 16 | $172 |
In context: peer comparison
Among 4 peers in Upland Obstetrics & Gynecology Physician, average services per provider: 40. This provider delivers 2.7× the peer median.Open Payments
Industry payments received
All-time total
$522
Transactions
14
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 1 | $156.24 | |
| Revance Therapeutics, INC. | 1 | $117.50 | |
| Astellas Pharma US INC | 3 | $65.66 | |
| Pfizer INC. | 3 | $55.64 | |
| Mimedx Group, INC. | 1 | $29.80 | |
| Minerva Surgical, INC | 1 | $26.79 | |
| Aspira Women's Health INC | 1 | $21.70 | |
| Bayer Healthcare Pharmaceuticals INC. | 1 | $19.37 | |
| Sumitomo Pharma America, INC. | 1 | $18.69 | |
| Meditrina | 1 | $10.29 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
154
Patients
43
Total drug cost
$11,457
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 94 | 43 | $7,545 |
| Clobetasol Propionate | Generic | 20 | 0 | $371 |
| Cabergoline | Generic | 14 | 0 | $388 |
| Dotti (Estradiol) | Brand | 14 | 0 | $1,535 |
| Yuvafem (Estradiol) | Brand | 12 | 0 | $1,618 |
Frequently asked questions
What is Dr. Joanna du's medical specialty?
Dr. Joanna du practices Obstetrics & Gynecology Physician in Upland, CA.
Where does Dr. Joanna du practice?
Dr. Joanna du practices at 1310 San Bernardino RD Ste 201, Upland, CA 917864985. Office phone: 9095790806.
What is Dr. Joanna du's NPI?
Dr. Joanna du's National Provider Identifier (NPI) is 1477731677, issued by NPPES.
Does Dr. Joanna du accept Medicare assignment?
Yes. Dr. Joanna du accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joanna du 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 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.