Doctor profile · Federal record
Dr. Timothy Twaddell, MD
Anesthesiology Physician (CMS: Anesthesiology) · Dallas, TX
- NPI 1689610081
- Accepts Medicare
- MIPS 93.5 / 100 · 2023
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
12222 Merit Dr Ste 600
Dallas, TX 752513294
(972) 715-5000
fax (972) 715-9976 - Additional location
-
1500 Citywest Blvd, Ste. 300
Houston, TX 770422300
(713) 620-4000
fax (713) 458-4229 - Additional location
-
6606 Lbj Fwy Ste 200
Dallas, TX 752406524 - Mailing address
-
Po Box 840853
Dallas, TX 752840853
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- August 4, 2022
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- Texas #L6689
- Medicaid (2)
- TX #161132901 · TX #161132907
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689610081. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
298
Distinct HCPCS
10
Medicare allowed
$47,487
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
01810 |
Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | 44 | 44 | $135 | |
64448 |
Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter | 43 | 43 | $64 | |
01402 |
Anesthesia for procedure for total knee joint replacement | 39 | 38 | $238 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 37 | 37 | $47 | |
01480 |
Anesthesia for other procedure on lower leg, ankle, and foot bones | 21 | 21 | $173 | |
00670 |
Anesthesia for extensive surgery on spine | 19 | 19 | $464 | |
01214 |
Anesthesia for total hip replacement | 16 | 16 | $266 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 14 | 13 | $152 | |
01638 |
Anesthesia for open or endoscopic total shoulder joint replacement | 14 | 14 | $360 | |
76942 |
Ultrasonic guidance for needle placement | 14 | 14 | $30 |
In context: peer comparison
Among 430 peers in Dallas Anesthesiology Physician, average services per provider: 52. This provider delivers 5.7× the peer median.Open Payments
Industry payments received
All-time total
$148
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Heron Therapeutics, INC. | 1 | $122.15 | |
| Merck Sharp & Dohme LLC | 1 | $25.58 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Timothy Twaddell's medical specialty?
Dr. Timothy Twaddell practices Anesthesiology Physician in Dallas, TX.
Where does Dr. Timothy Twaddell practice?
Dr. Timothy Twaddell practices at 12222 Merit Dr Ste 600, Dallas, TX 752513294. Office phone: 9727155000.
What is Dr. Timothy Twaddell's NPI?
Dr. Timothy Twaddell's National Provider Identifier (NPI) is 1689610081, issued by NPPES.
Does Dr. Timothy Twaddell accept Medicare assignment?
Yes. Dr. Timothy Twaddell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Twaddell commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (HCPCS 01810); Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter (HCPCS 64448); Anesthesia for procedure for total knee joint replacement (HCPCS 01402). Source: CMS Medicare Physician & Other Practitioners file.