Alexandra Gybbon Fallon, MD
Hospitalist Physician · Saint Louis, MO
Alexandra Gybbon Fallon, MD is a hospitalist physician with a practice address in Saint Louis, Missouri, and NPI 1427440577, issued on Feb 26, 2015. Check the license (Missouri 2022039175, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Alexandra Gybbon Fallon
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 2022039175 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Childrens PL, Saint Louis, MO 63110
- Phone
- (314) 454-2076
- Enumerated
- Feb 26, 2015
- Record last updated
- Apr 17, 2025
- Fax
- (314) 747-8953
- Medicaid ID
- 200120034 MO
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 930 in Missouri → Look up another NPI →
Also registered at 1 Childrens PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Manjusha Abraham, MDPediatric Critical Care Medicine Physician1508126699
- Philip Abraham, MDHospitalist Physician1720309016
Verify Alexandra Gybbon Fallon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2022039175Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $21.05
1 payment: food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Alexandra Gybbon Fallon among 930 hospitalist physician records in Missouri
Alexandra Gybbon Fallon, MD is one of 930 hospitalist physician records with a practice address in Missouri. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 48% of them.
- NPI issued2015 · 48% of these records are older, 46% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2025 · 25% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
419 hospitalist physician records list a practice address in Saint Louis
They are 419 of the 27,605 NPPES records with a practice address in Saint Louis, and 930 hospitalist physician records in Missouri.
All 930 in Missouri → Every provider in Saint Louis → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Florence Almiron-Torralba, MDSaint Louis, MO 631101518939891
- Shobha Bhaskar, MDSaint Louis, MO 631101831198951
- Dennis Chang, MDSaint Louis, MO 631101083651202
- Eve Colson, MDSaint Louis, MO 631101730163577
- John Cras, MDSaint Louis, MO 631101598701815
- Lakshman Darsi, MDSaint Louis, MO 631101184670622
- Yasmeen Daud, MDSaint Louis, MO 631101073539292
- Christine Hrach, MDSaint Louis, MO 631101669498960
Common questions
What is Alexandra Gybbon Fallon, MD's NPI number?
Alexandra Gybbon Fallon, MD's National Provider Identifier (NPI) is 1427440577, issued on Feb 26, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Alexandra Gybbon Fallon, MD located?
The NPPES record lists a practice address at 1 Childrens PL, Saint Louis, MO, 63110. Phone: (314) 454-2076. Providers update this record themselves, so call before visiting.
How can I verify Alexandra Gybbon Fallon, MD's license?
NPPES lists Missouri license number 2022039175, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.