Dr. Mary S. Faller, MD
- Medicare services, 2023
- 15
- Medicare patients, 2024
- 64
- Hospital affiliations
- 1
- Industry payments
- $220
- Medical group
- 1
- 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
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Dr. Mary S. Faller is an anesthesiologist in Saint Louis, Missouri
Dr. Faller practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
Dr. Faller's NPI, 1942271796, was assigned on January 30, 2006. Dr. Faller graduated from University of Missouri, Columbia School of Medicine in 1998. Dr. Faller holds Missouri license 115335.
- NPI
- 1942271796NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335172279
- NPI enumeration date
- January 30, 2006
- 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
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary S. Faller practices at Mercy Hospital St. Louis in Saint Louis, Missouri
Dr. Faller'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. Mary S. Faller is affiliated with 1 site of care and 1 medical group
Dr. Faller'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. Mary S. Faller's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Faller 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
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mercy and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mary S. Faller is one of 819 anesthesiologists in Missouri
Anesthesiology is Dr. Faller's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Faller is licensed in Missouri.
Specialties and state licenses
- Anesthesiology, MissouriPrimary
Anesthesiologists near Dr. Faller
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. Mary S. Faller billed Medicare for 15 services in 2023
CMS data shows 15 Medicare services from Dr. Faller across 1 procedure code in 2023, for 64 Medicare patients. Medicare paid $522 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Faller's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Surgery
- 2022: 142023: 157%
- Anesthesia
- 2022: 222023: 0100%
Dr. Faller compared with the Missouri median for anesthesiologists, 2023
- Dr. Faller
- Missouri median
- Medicare services
- 15vs 7580% below
- Medicare patients
- 64vs 14054% below
Medians across 839 anesthesiologists in Missouri with Dmand AI profiles that report each measure.
Dr. Faller's most billed Medicare procedure codes, 2023
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. Faller?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Faller and other anesthesiologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary S. Faller treated 64 Medicare patients in 2024, average age 71
CMS counts 64 Medicare patients who saw Dr. Faller in 2024. The largest group is 65 to 74, with 28 patients. 73% of them have high blood pressure, and 73% have high cholesterol. Their average risk score is 1.68, 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. Faller's median patient age at 40, with 62% women.
Dr. Faller's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Faller's Medicare patients by sex, 2024
- Women4367%
- Men2133%
Chronic conditions among Dr. Faller's Medicare patients, 2024
- High blood pressure73%
- High cholesterol73%
- Arthritis56%
- Anxiety50%
- Mood disorders34%
- Cancer30%
- Chronic kidney disease30%
- Depression27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Faller's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Mary S. Faller takes part in Medicare
Dr. Faller 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. Mary S. Faller received $220 in industry payments from 2016 to 2019
CMS Open Payments shows 3 general payments to Dr. Faller from 3 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Lifecell Corporation paid the most, $134.
General payments to Dr. Faller by program year, 2016 to 2019
Companies that paid Dr. Faller the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mary S. Faller graduated from University of Missouri, Columbia School of Medicine
Dr. Faller graduated from University of Missouri, Columbia School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mary S. Faller'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. Mary S. Faller
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. Mary S. Faller's NPI number?
Dr. Mary S. Faller's NPI number is 1942271796. It was assigned on January 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary S. Faller?
Dr. Mary S. Faller is an anesthesiologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Mary S. Faller practice?
Dr. Faller practices at 615 New Ballas Road, Saint Louis, MO 63141. Dr. Faller's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
What is Dr. Mary S. Faller's office phone number?
The practice phone on file for Dr. Faller is (314) 251-6000.
What is Dr. Mary S. Faller's medical license number?
Dr. Faller holds Missouri license 115335.
Which hospitals is Dr. Mary S. Faller affiliated with?
Dr. Faller practices at Mercy Hospital St. Louis in Saint Louis, Missouri.
What medical group is Dr. Mary S. Faller part of?
Dr. Faller is linked to Western Anesthesiology Associates, Inc.
Does Dr. Mary S. Faller accept Medicare?
Yes. CMS data shows Dr. Faller billed Medicare for 15 services in 2023, and Dr. Faller accepts Medicare assignment.
How many Medicare patients does Dr. Mary S. Faller see?
CMS counts 64 Medicare patients who saw Dr. Faller in 2024, with an average age of 71.
What services does Dr. Mary S. Faller bill to Medicare?
In 2023, Dr. Faller's most billed Medicare services were surgery: heart and blood vessels (36620).
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Where did Dr. Mary S. Faller go to medical school?
Dr. Faller graduated from University of Missouri, Columbia School of Medicine in 1998.
Has Dr. Mary S. Faller received payments from drug or device companies?
CMS Open Payments shows $220 in general payments to Dr. Faller from 3 companies from 2016 to 2019. The largest total came from Lifecell Corporation.
How long has Dr. Mary S. Faller been practicing?
Dr. Faller graduated from medical school in 1998, 28 years ago.
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