Dr. Garrett James Thiel, MD
- Medicare services, 2024
- 15
- Medicare patients, 2024
- 114
- Hospital affiliations
- 3
- Industry payments
- $181
- Medical group
- 1
- Practice address
- 13500 N Meridian St, Carmel, IN 46032
- Practice phone
- Call (317) 582-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Thiel's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Garrett James Thiel is an anesthesiologist in Carmel, Indiana
Dr. Thiel practices at Ascension St. Vincent Carmel in Carmel, Indiana, part of Ascension Health Alliance.
Dr. Thiel's NPI, 1255607529, was assigned on March 30, 2012. Dr. Thiel graduated from Indiana University School of Medicine in 2012. Dr. Thiel holds Indiana license 01074942A.
- NPI
- 1255607529NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587899034
- NPI enumeration date
- March 30, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (317) 582-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Garrett James Thiel practices at Ascension St. Vincent Carmel in Carmel, Indiana
Dr. Thiel's primary practice is Ascension St. Vincent Carmel, at 13500 N Meridian St, Carmel, IN 46032 in Hamilton County. The practice phone is (317) 582-7000.
- Ascension St. Vincent Carmel13500 N Meridian St, Carmel, IN 46032 · Hamilton CountyPhone(317) 582-7000
Source: Dmand AI Affiliation Data
Dr. Garrett James Thiel is affiliated with 3 sites of care and 1 medical group
Dr. Thiel's primary practice is Ascension St. Vincent Carmel in Carmel, Indiana, part of Ascension Health Alliance. Dr. Thiel is also affiliated with Ascension St. Vincent Hospital - Indianapolis. The medical group on file is Northside Anesthesia Services. Dmand AI also links Dr. Thiel to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Garrett James Thiel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thiel practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension St. Vincent Carmel | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Garrett James Thiel is one of 1,172 anesthesiologists in Indiana
Anesthesiology is Dr. Thiel's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Thiel is licensed in Indiana.
Specialties and state licenses
- Anesthesiology, IndianaPrimary
Anesthesiologists near Dr. Thiel
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Garrett James Thiel billed Medicare for 15 services in 2024
CMS data shows 15 Medicare services from Dr. Thiel across 1 procedure code in 2024, for 114 Medicare patients. Medicare paid $1,167 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Thiel's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Anesthesia
- 2022: 112024: 1536%
- Imaging
- 2022: 122024: 0100%
Dr. Thiel compared with the Indiana median for anesthesiologists, 2024
- Dr. Thiel
- Indiana median
- Medicare services
- 15vs 6878% below
- Medicare patients
- 114vs 13214% below
Medians across 1,200 anesthesiologists in Indiana with Dmand AI profiles that report each measure.
Dr. Thiel'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. Thiel?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thiel and other anesthesiologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Garrett James Thiel treated 114 Medicare patients in 2024, average age 72
CMS counts 114 Medicare patients who saw Dr. Thiel in 2024. The largest group is 65 to 74, with 63 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.79, 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. Thiel's median patient age at 54, with 71% women.
Dr. Thiel's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Thiel's Medicare patients by sex, 2024
- Women6557%
- Men4943%
Chronic conditions among Dr. Thiel's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Mood disorders41%
- Depression40%
- Anxiety39%
- Diabetes39%
- Cancer32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thiel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women71%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Garrett James Thiel takes part in Medicare
Dr. Thiel 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Garrett James Thiel received $181 in industry payments from 2016 to 2021
CMS Open Payments shows 3 general payments to Dr. Thiel from 3 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. KLS-Martin L.P. paid the most, $140.
General payments to Dr. Thiel by program year, 2016 to 2021
Companies that paid Dr. Thiel the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Garrett James Thiel graduated from Indiana University School of Medicine
Dr. Thiel graduated from Indiana University School of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Garrett James Thiel'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) |
| 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. Garrett James Thiel
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. Garrett James Thiel's NPI number?
Dr. Garrett James Thiel's NPI number is 1255607529. It was assigned on March 30, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Garrett James Thiel?
Dr. Garrett James Thiel is an anesthesiologist in Carmel, Indiana. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Garrett James Thiel practice?
Dr. Thiel practices at 13500 N Meridian St, Carmel, IN 46032. Dr. Thiel's primary practice is Ascension St. Vincent Carmel in Carmel, Indiana, part of Ascension Health Alliance. Dmand AI also links Dr. Thiel to 1 hospital.
What is Dr. Garrett James Thiel's office phone number?
The practice phone on file for Dr. Thiel is (317) 582-7000.
What is Dr. Garrett James Thiel's medical license number?
Dr. Thiel holds Indiana license 01074942A.
Which hospitals is Dr. Garrett James Thiel affiliated with?
Dr. Thiel practices at Ascension St. Vincent Carmel in Carmel, Indiana. Dr. Thiel is also affiliated with Ascension St. Vincent Hospital - Indianapolis. Dmand AI links Dr. Thiel to 1 more hospital.
What medical group is Dr. Garrett James Thiel part of?
Dr. Thiel is linked to Northside Anesthesia Services.
Does Dr. Garrett James Thiel accept Medicare?
Yes. CMS data shows Dr. Thiel billed Medicare for 15 services in 2024, and Dr. Thiel accepts Medicare assignment.
How many Medicare patients does Dr. Garrett James Thiel see?
CMS counts 114 Medicare patients who saw Dr. Thiel in 2024, with an average age of 72.
What services does Dr. Garrett James Thiel bill to Medicare?
In 2024, Dr. Thiel's most billed Medicare services were anesthesia (00811).
Show 3 more questionsShow fewer questions
Where did Dr. Garrett James Thiel go to medical school?
Dr. Thiel graduated from Indiana University School of Medicine in 2012.
Has Dr. Garrett James Thiel received payments from drug or device companies?
CMS Open Payments shows $181 in general payments to Dr. Thiel from 3 companies from 2016 to 2021. The largest total came from KLS-Martin L.P.
How long has Dr. Garrett James Thiel been practicing?
Dr. Thiel graduated from medical school in 2012, 14 years ago.
Selling to anesthesiology practices?
See anesthesiologists in Indiana by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card