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Edit this profileWhere to find Timothy J. Twaddell, MD
- Dallas location main office
12222 Merit Dr Ste 600, Dallas, TX 75251 - Houston location
1500 Citywest Blvd, Ste. 300, Houston, TX 77042 - Dallas location
6606 Lbj Fwy Ste 200, Dallas, TX 75240
About Dr. Twaddell
Timothy J. Twaddell, MD is a healthcare provider in Dallas, TX specializing in anesthesiology. Timothy trained at University of Texas Southwestern Medical School at Dallas, graduating in 1999. Medicare claims data shows Timothy provided 335 services to 327 patients. The services billed most often include anesthesia for procedure for total knee joint replacement, subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes, and continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter. This provider record is associated with NPI 1689610081.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (972) 715-5000
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
12222 MERIT DR STE 600
Dallas, TX 75251
1500 Citywest Blvd Ste. 300
Houston, TX 77042
6606 Lbj Fwy Ste 200
Dallas, TX 75240
Conditions Commonly Evaluated or Treated
Within Anesthesiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Sedation & Phobias
Anesthesia complications
Back & spine
- Arthritis of the spine
- Degenerative disc disease
- Failed back surgery syndrome
- Herniated disc
- Lower back pain
- Neck pain
- Sacroiliac joint pain
- Spinal compression fracture
- Spinal stenosis
- Spondylolisthesis
- Tailbone pain
- Upper Back Pain
Chronic pain
Facial & jaw pain
General pain
Head & facial pain
Headaches
Joint pain
Mental health
Muscle pain
Musculoskeletal pain
Nerve pain
- Abdominal wall nerve pain
- Complex Regional Pain Syndrome
- Foot Numbness and Tingling
- Groin nerve pain after hernia surgery
- Nerve damage after surgery
- Neuropathy
- Outer thigh burning and numbness
- Phantom limb pain
- Pinched nerve
- Piriformis syndrome
- Sciatica
- Shingles pain
- Tarsal Tunnel Syndrome
Pelvic pain
Post-surgery recovery
Sedation & anesthesia
Spine pain
Procedures & services
Nerve blocks
- Celiac Plexus Nerve Block
- Abdominal Nerve Block
- Ganglion impar block
- Groin nerve block
- Pudendal nerve block
- Superior hypogastric plexus block
Nerve Blocks
Pain Relief Procedures
Regional anesthesia
Sedation
- In-Office Anesthesia for Plastic Surgery
- Pediatric Dental Sedation
- Sedation for Colonoscopy and Endoscopy
- Sedation for Egg Retrieval
- Sedation for MRI
- Sedation for Vasectomy
- IV sedation for endoscopy
Sedation & anesthesia
- General anesthesia
- Moderate dental sedation
- Sedation for dental work
- Labor epidural
- Pre-surgery anesthesia consult
- Spinal spinal block
Specialized Care
Vascular Access
Ablation
Head & facial procedures
Implants & devices
- Pain pump implant
- Pain pump refill and check
- Peripheral nerve stimulator implant
- Spinal cord stimulator implant
- Spinal cord stimulator trial
Infusion therapies
Infusion therapy
Joint injections
Muscle injections
Nerve injections
- Celiac plexus block
- Lumbar sympathetic block
- Nerve block
- Rib nerve block
- Shoulder nerve block
- Stellate ganglion block
Nerve procedures
Pain relief procedures
Spine injections
- Epidural steroid injection
- Facet joint injection
- Medial branch block
- Sacroiliac joint injection
- Tailbone epidural injection
Spine procedures
Procedures Most Often Billed to Medicare
335 services · 327 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter | Procedure | 64448 |
55 | More than most peers in Anesthesiology |
| Other procedure on nervous system | Procedure | 64999 |
21 | As often as other peers in Anesthesiology |
| Continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter | Procedure | 64416 |
12 | Less often than most peers in Anesthesiology |
| Anesthesia for procedure for total knee joint replacement | Anaesthesia | 01402 |
61 | More than most peers in Anesthesiology |
| Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | Anaesthesia | 01810 |
35 | More often than most peers in Anesthesiology |
| Anesthesia for total hip replacement | Anaesthesia | 01214 |
21 | More often than most peers in Anesthesiology |
| Ultrasonic guidance for needle placement | Imaging | 76942 |
20 | As often as other peers in Anesthesiology |
| Anesthesia for extensive surgery on spine | Anaesthesia | 00670 |
18 | More often than most peers in Anesthesiology |
| Anesthesia for other procedure on lower leg, ankle, and foot bones | Anaesthesia | 01480 |
14 | As often as other peers in Anesthesiology |
| Anesthesia for other procedure on forearm, wrist, or hand bones | Anaesthesia | 01830 |
12 | Less often than most peers in Anesthesiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other anesthesiologists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 29 related providers in 4 groups
Other anesthesiologists in Dallas 6
Same specialty, same city.
Trained at University of Texas Southwestern Medical School at Dallas 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at University of Texas Southwestern Medical School at Dallas 7
Providers who graduated from the same medical school in the same year.
Also performs Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter 8
Providers in TX who bill this service to Medicare most often.
Common questions
What does Dr. Twaddell specialize in?
Dr. Twaddell is an anesthesiologist in Dallas, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Where is Dr. Twaddell located?
Dr. Twaddell is listed at 12222 Merit Dr Ste 600, Dallas, TX 75251. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Twaddell's phone number?
The number on file is (972) 715-5000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Twaddell?
Dr. Twaddell's National Provider Identifier is 1689610081. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Twaddell go to medical school?
Dr. Twaddell attended University of Texas Southwestern Medical School at Dallas, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Twaddell have?
Dr. Twaddell has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Twaddell do most often?
According to Medicare billing data, Dr. Twaddell performs procedures including continuous infusion of anesthetic agent and/or steroid into thigh nerve through catheter, other procedure on nervous system and continuous infusion of anesthetic agent and/or steroid into arm nerve bundle through catheter; reads or performs imaging such as ultrasonic guidance for needle placement; provides treatments such as anesthesia for procedure for total knee joint replacement and anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Twaddell's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Twaddell. If this is you, claiming it is free.
Guide.md
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