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Edit this profileAt a glance
- 4242 Medical Dr, Suite 3100, San Antonio, TX 78229
About Dr. Thormahlen
Based in San Antonio, TX, Ross N. Thormahlen, MD is listed in the NPI registry under anesthesiology. Ross graduated from University of Texas Southwestern Medical School at Dallas in 2004. According to Medicare claims data, Ross cared for 283 Medicare patients across 404 services. The services billed most often include anesthesia for lens surgery, injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus), and ultrasonic guidance for blood vessel access. NPI 1326213158 identifies this record in the national registry.
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
- (210) 477-9555
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
4242 MEDICAL DR SUITE 3100
San Antonio, TX 78229
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
404 services · 283 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | Procedure | 64415 |
31 | More often than most peers in Anesthesiology |
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
21 | As often as other peers in Anesthesiology |
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | Procedure | 64447 |
13 | Less often than most peers in Anesthesiology |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | Procedure | 36556 |
12 | Less often than most peers in Anesthesiology |
| Anesthesia for lens surgery | Anaesthesia | 00142 |
269 | More than most peers in Anesthesiology |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
29 | More often than most peers in Anesthesiology |
| Anesthesia for placement or revision of blood flow shunt | Anaesthesia | 01844 |
29 | More 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.
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.
Other anesthesiologists in San Antonio 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
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 2004 at University of Texas Southwestern Medical School at Dallas 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 8
Providers in TX who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Thormahlen?
Dr. Thormahlen is an anesthesiologist in San Antonio, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
What is Dr. Thormahlen's address?
Dr. Thormahlen is listed at 4242 Medical Dr Suite 3100, San Antonio, TX 78229. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Thormahlen?
The number on file is (210) 477-9555. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Thormahlen's NPI number?
Dr. Thormahlen's National Provider Identifier is 1326213158. 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. Thormahlen train?
Dr. Thormahlen attended University of Texas Southwestern Medical School at Dallas, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Thormahlen been practicing?
Dr. Thormahlen has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Thormahlen perform?
According to Medicare billing data, Dr. Thormahlen performs procedures including injection of anesthetic agent and/or steroid into arm nerve bundle, insertion of artery tube for blood sampling or infusion through skin and injection of anesthetic agent and/or steroid into thigh nerve; reads or performs imaging such as ultrasonic guidance for blood vessel access; provides treatments such as anesthesia for lens surgery and anesthesia for placement or revision of blood flow shunt. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Thormahlen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Thormahlen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.