Physician Profile
Tristan P. Freiling, D.O. practices anesthesiology in Saint Louis, MO. Tristan is a 2016 graduate of At Still University of Health Sciences, College of Osteo Med, Kirksville. According to Medicare claims data, Tristan cared for 231 Medicare patients across 239 services. The services billed most often include anesthesia for other procedure on large bowel using an endoscope, insertion of artery tube for blood sampling or infusion through skin, and anesthesia for x-ray or radiation therapy.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
615 S NEW BALLAS RD
Saint Louis, MO 63141
5841 S Maryland Ave MC 4028
Chicago, IL 60637
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.
Anesthesia complications
Back & spine
Chronic pain
Facial & jaw pain
General pain
Head & facial pain
Headaches
Joint pain
Mental health
Muscle pain
Musculoskeletal pain
Nerve pain
Pelvic pain
Post-surgery recovery
Sedation & anesthesia
Spine pain
Ablation
Head & facial procedures
Implants & devices
Infusion therapies
Infusion therapy
Joint injections
Muscle injections
Nerve blocks
Nerve injections
Nerve procedures
Pain relief procedures
Regional anesthesia
Sedation
Sedation & anesthesia
Spine injections
Spine procedures
239 services · 231 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
36 | More often than most peers in Anesthesiology |
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | Procedure | 36556 |
22 | More often than most peers in Anesthesiology |
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
48 | More often than most peers in Anesthesiology |
| Anesthesia for x-ray or radiation therapy | Anaesthesia | 01922 |
35 | More often than most peers in Anesthesiology |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
23 | As often as other peers in Anesthesiology |
| Anesthesia for procedure to correct abnormal heart rhythm | Anaesthesia | 00410 |
21 | More often than most peers in Anesthesiology |
| Anesthesia for procedure on small and large bowel using an endoscope | Anaesthesia | 00813 |
12 | Less often than most peers in Anesthesiology |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
14 | Less often than most peers in Anesthesiology |
| Ultrasound of heart blood flow, valves and chambers | Treatment | 93320 |
14 | Less often than most peers in Anesthesiology |
| Ultrasound of heart with probe in esophagus, with report | Treatment | 93312 |
14 | 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.
Tristan P. Freiling is an anesthesiologist in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Tristan P. Freiling is listed at 615 S New Ballas Rd, Saint Louis, MO 63141. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (636) 386-9224. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Tristan P. Freiling's National Provider Identifier is 1215381264. 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
Tristan P. Freiling attended At Still University of Health Sciences, College of Osteo Med, Kirksville, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
Tristan P. Freiling has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Tristan P. Freiling performs procedures including insertion of artery tube for blood sampling or infusion through skin and insertion of non-tunneled central venous tube for infusion; provides treatments such as ultrasound of heart with color-depicted blood flow, rate and valve function and ultrasound of heart blood flow, valves and chambers. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Tristan P. Freiling. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.