Dr. Alexandra Gybbon Fallon, MD
- Medicare services, 2020
- 29
- Hospital affiliations
- 3
- Industry payments
- $21
- Medical groups
- 2
- State license
- 1
- Practice address
- 3015 N Ballas Rd, Saint Louis, MO 63131
- Practice phone
- Call (314) 996-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fallon's professional email, personal email and mobile number
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Dr. Alexandra Gybbon Fallon is a hospitalist in Saint Louis, Missouri
Dr. Fallon practices at Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health.
Dr. Fallon's NPI, 1427440577, was assigned on February 26, 2015. Dr. Fallon holds Missouri license 2022039175.
- NPI
- 1427440577NPI Registry (opens in a new tab)
- NPI enumeration date
- February 26, 2015
- NPI status
- Active
- Practice phone
- (314) 996-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Alexandra Gybbon Fallon practices at Missouri Baptist Medical Center in Saint Louis, Missouri
Dr. Fallon's primary practice is Missouri Baptist Medical Center, at 3015 N Ballas Rd, Saint Louis, MO 63131 in St. Louis County. The practice phone is (314) 996-5000.
- Missouri Baptist Medical Center3015 N Ballas Rd, Saint Louis, MO 63131 · St. Louis CountyPhone(314) 996-5000
Source: Dmand AI Affiliation Data
Dr. Alexandra Gybbon Fallon is affiliated with 3 sites of care and 2 medical groups
Dr. Fallon's primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. Dr. Fallon is also affiliated with St. Louis Children's Hospital. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Fallon to 1 more hospital and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alexandra Gybbon Fallon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fallon practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Missouri Baptist Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alexandra Gybbon Fallon is one of 735 hospitalists in Missouri
Hospitalist is Dr. Fallon's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Fallon is licensed in Missouri.
Specialties and state licenses
- Hospitalist, MissouriPrimary
Hospitalists near Dr. Fallon
Counts of hospitalists 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. Alexandra Gybbon Fallon billed Medicare for 29 services in 2020
CMS data shows 29 Medicare services from Dr. Fallon across 2 procedure codes in 2020. Medicare paid $781 for them. Every service was in an office.
Dr. Fallon's Medicare services by type, 2020
- Lab and pathology18
- Office and hospital visits11
Dr. Fallon compared with the Missouri median for hospitalists, 2020
- Dr. Fallon
- Missouri median
- Medicare services
- 29vs 43493% below
Medians across 659 hospitalists in Missouri with Dmand AI profiles that report each measure.
Dr. Fallon's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fallon and other hospitalists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alexandra Gybbon Fallon's patients have a median age of 6
Across all payers, Dmand AI patient panel data puts Dr. Fallon's median patient age at 6, with 50% women.
Dr. Fallon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 6
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
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Dr. Alexandra Gybbon Fallon received $21 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Fallon from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $21.
Companies that paid Dr. Fallon the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Alexandra Gybbon Fallon'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 Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Alexandra Gybbon Fallon
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. Alexandra Gybbon Fallon's NPI number?
Dr. Alexandra Gybbon Fallon's NPI number is 1427440577. It was assigned on February 26, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexandra Gybbon Fallon?
Dr. Alexandra Gybbon Fallon is a hospitalist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Alexandra Gybbon Fallon practice?
Dr. Fallon practices at 3015 N Ballas Rd, Saint Louis, MO 63131. Dr. Fallon's primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Fallon to 1 hospital and 1 medical group.
What is Dr. Alexandra Gybbon Fallon's office phone number?
The practice phone on file for Dr. Fallon is (314) 996-5000.
What is Dr. Alexandra Gybbon Fallon's medical license number?
Dr. Fallon holds Missouri license 2022039175.
Which hospitals is Dr. Alexandra Gybbon Fallon affiliated with?
Dr. Fallon practices at Missouri Baptist Medical Center in Saint Louis, Missouri. Dr. Fallon is also affiliated with St. Louis Children's Hospital. Dmand AI links Dr. Fallon to 1 more hospital.
What medical group is Dr. Alexandra Gybbon Fallon part of?
Dr. Fallon is linked to WashU Medicine Psychiatry. Dmand AI links Dr. Fallon to 1 more medical group.
Does Dr. Alexandra Gybbon Fallon accept Medicare?
Yes. CMS data shows Dr. Fallon billed Medicare for 29 services in 2020.
What services does Dr. Alexandra Gybbon Fallon bill to Medicare?
In 2020, Dr. Fallon's most billed Medicare services were lab and pathology test (87426) and office visit, established patient (99211).
Has Dr. Alexandra Gybbon Fallon received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Dr. Fallon from 1 company from 2024 to 2024. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Dr. Alexandra Gybbon Fallon been practicing?
Dr. Fallon graduated from medical school in 2013, 13 years ago.
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