Doctor profile · Federal record
Dr. Joann Timberlake, PA
Emergency Medicine Physician (CMS: Physician Assistant) · Orange, CA
- NPI 1043241094
- Accepts Medicare
- MIPS 68.3 / 100 · 2023
- 21 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1100 West Stewart Drive
Orange, CA 928683849
(714) 633-9111 - Mailing address
-
Po Box 690
Long Beach, CA 908010690
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #PA18228
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1043241094. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
217
Distinct HCPCS
1
Medicare allowed
$12,832
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 217 | 197 | $59 |
In context: peer comparison
Among 51 peers in Orange Emergency Medicine Physician, average services per provider: 60. This provider delivers 3.6× the peer median.Open Payments
Industry payments received
All-time total
$49
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Siemens Medical Solutions USA, INC. | 1 | $29.92 | |
| Novocure INC. | 1 | $19.20 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
38
Patients
17
Total drug cost
$360
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 38 | 17 | $360 |
Hospital affiliations
Frequently asked questions
What is Dr. Joann Timberlake's medical specialty?
Dr. Joann Timberlake practices Emergency Medicine Physician in Orange, CA.
Where does Dr. Joann Timberlake practice?
Dr. Joann Timberlake practices at 1100 West Stewart Drive, Orange, CA 928683849. Office phone: 7146339111.
What is Dr. Joann Timberlake's NPI?
Dr. Joann Timberlake's National Provider Identifier (NPI) is 1043241094, issued by NPPES.
Does Dr. Joann Timberlake accept Medicare assignment?
Yes. Dr. Joann Timberlake accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joann Timberlake commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.