J Cardiothorac Vasc Anesth
Heart Arrest, InducedMinimally Invasive Surgical ProceduresMyocardium
Dr. Tristan Phillip Freiling, DO
NPI1215381264PAC ID1557653185
- Medicare services, 2024
- 239
- Medicare patients, 2024
- 263
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $20
- Practice address
- 615 New Ballas Road, Saint Louis, MO 63141
- Practice phone
- Call (314) 251-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Freiling's professional email, personal email and mobile number
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Dr. Tristan Phillip Freiling is an anesthesiologist in Saint Louis, Missouri
Dr. Freiling practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
Dr. Freiling's NPI, 1215381264, was assigned on April 15, 2016. Dr. Freiling graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2016. Dr. Freiling holds Missouri license 2021013176.
NPI and contact details
- NPI
- 1215381264NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557653185
- NPI enumeration date
- April 15, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 251-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tristan Phillip Freiling practices at Mercy Hospital St. Louis in Saint Louis, Missouri
Dr. Freiling's primary practice is Mercy Hospital St. Louis, at 615 New Ballas Road, Saint Louis, MO 63141 in St. Louis County. The practice phone is (314) 251-6000.
- Mercy Hospital St. Louis615 New Ballas Road, Saint Louis, MO 63141 · St. Louis CountyPhone(314) 251-6000
Source: Dmand AI Affiliation Data
Dr. Tristan Phillip Freiling is affiliated with 1 site of care and 1 medical group
Dr. Freiling's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. The medical group on file is Western Anesthesiology Associates, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tristan Phillip Freiling's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Freiling practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital St. Louis | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Tristan Phillip Freiling is one of 819 anesthesiologists in Missouri
Anesthesiology is Dr. Freiling's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Freiling is licensed in Missouri.
Specialties and state licenses
- Anesthesiology, MissouriPrimary
Anesthesiologists near Dr. Freiling
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
819anesthesiologists in Missouri287anesthesiologists in Saint Louis49anesthesiologists at Mercy Hospital St. Louis
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Tristan Phillip Freiling billed Medicare for 239 services in 2024
CMS data shows 239 Medicare services from Dr. Freiling across 10 procedure codes in 2024, for 263 Medicare patients. Medicare paid $15,714 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024239
Medicare patients263
Paid by Medicare$15,714
Procedure codes10
Dr. Freiling's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1372024: 1391%
- Surgery
- 2023: 702024: 5817%
- Tests and treatments
- 2023: 572024: 4226%
Dr. Freiling compared with the Missouri median for anesthesiologists, 2024
- Dr. Freiling
- Missouri median
- Medicare services
- 239vs 753.2 times
- Medicare patients
- 263vs 14088% above
Medians across 839 anesthesiologists in Missouri with Dmand AI profiles that report each measure.
Dr. Freiling's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Freiling?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Freiling and other anesthesiologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tristan Phillip Freiling treated 263 Medicare patients in 2024, average age 74
CMS counts 263 Medicare patients who saw Dr. Freiling in 2024. The largest group is 65 to 74, with 130 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 2.00, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Freiling's median patient age at 67, with 56% women.
Medicare patients, 2024263
Average age74
Average risk score2.00
Also on Medicaid10%
Dr. Freiling's Medicare patients by age, 2024
Dr. Freiling's Medicare patients by sex, 2024
- Women12246%
- Men14154%
Chronic conditions among Dr. Freiling's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Atrial fibrillation46%
- Ischemic heart disease44%
- Chronic kidney disease43%
- Diabetes38%
- Heart failure35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Freiling's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Tristan Phillip Freiling takes part in Medicare
Dr. Freiling accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Tristan Phillip Freiling has 1 publication on record
Dmand AI links 1 paper to Dr. Freiling in 2022. Dr. Freiling's most frequent co-authors are Husam H. Balkhy, Mark A. Chaney and Elizabeth Kelly Healy Cotter, MD.
Papers1
Dr. Freiling's most frequent co-authors
- Husam H. Balkhy1 shared paper
- Mark A. Chaney1 shared paper
- Elizabeth Kelly Healy Cotter, MD1 shared paper
Recent publications by Dr. Freiling
See who Dr. Freiling researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Freiling works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Tristan Phillip Freiling received $20 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Freiling from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Lantheus Medical Imaging, Inc. paid the most, $20.
Companies that paid Dr. Freiling the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tristan Phillip Freiling graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville
Dr. Freiling graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Tristan Phillip Freiling's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Tristan Phillip Freiling
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Tristan Phillip Freiling's NPI number?
Dr. Tristan Phillip Freiling's NPI number is 1215381264. It was assigned on April 15, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Tristan Phillip Freiling?
Dr. Tristan Phillip Freiling is an anesthesiologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Tristan Phillip Freiling practice?
Dr. Freiling practices at 615 New Ballas Road, Saint Louis, MO 63141. Dr. Freiling's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
What is Dr. Tristan Phillip Freiling's office phone number?
The practice phone on file for Dr. Freiling is (314) 251-6000.
What is Dr. Tristan Phillip Freiling's medical license number?
Dr. Freiling holds Missouri license 2021013176.
Which hospitals is Dr. Tristan Phillip Freiling affiliated with?
Dr. Freiling practices at Mercy Hospital St. Louis in Saint Louis, Missouri.
What medical group is Dr. Tristan Phillip Freiling part of?
Dr. Freiling is linked to Western Anesthesiology Associates, Inc.
Does Dr. Tristan Phillip Freiling accept Medicare?
Yes. CMS data shows Dr. Freiling billed Medicare for 239 services in 2024, and Dr. Freiling accepts Medicare assignment.
How many Medicare patients does Dr. Tristan Phillip Freiling see?
CMS counts 263 Medicare patients who saw Dr. Freiling in 2024, with an average age of 74.
What services does Dr. Tristan Phillip Freiling bill to Medicare?
In 2024, Dr. Freiling's most billed Medicare services were anesthesia (00811), surgery: heart and blood vessels (36620) and anesthesia (01922).
Show 5 more questionsShow fewer questions
Where did Dr. Tristan Phillip Freiling go to medical school?
Dr. Freiling graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2016.
Has Dr. Tristan Phillip Freiling received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Dr. Freiling from 1 company from 2025 to 2025. The largest total came from Lantheus Medical Imaging, Inc.
How long has Dr. Tristan Phillip Freiling been practicing?
Dr. Freiling graduated from medical school in 2016, 10 years ago.
Does Dr. Tristan Phillip Freiling do research?
Dmand AI links 1 publication to Dr. Freiling.
Who does Dr. Tristan Phillip Freiling publish with?
Dr. Freiling's most frequent co-authors are Husam H. Balkhy (1 shared paper), Mark A. Chaney (1 shared paper) and Elizabeth Kelly Healy Cotter, MD (1 shared paper).
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