Barbara A. Ellzey, MD
Emergency Medicine Physician · Saint Louis, MO
Barbara A. Ellzey, MD is an emergency medicine physician with a practice address in Saint Louis, Missouri, and NPI 1235116492, issued on Dec 29, 2005. Check the license (Missouri R9742, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Barbara A. Ellzey
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- R9742 MO
Self-reported in NPPES; status is on the state search - Practice location
- 11123 S Towne SQ, Saint Louis, MO 63123
- Phone
- (314) 487-4537
- Enumerated
- Dec 29, 2005
- Record last updated
- Oct 14, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (314) 487-8971
- Medicaid IDs
- 036116352 IL
1235116492 MO - Medicare enrollment
- Enrolled (PECOS I20060327000696); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 1978
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,405 in Missouri → Look up another NPI →
Also registered at 11123 S Towne SQ
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lowell Barrowes, MDEmergency Medicine Physician1720066491
- John Beck, M.D.Emergency Medicine Physician1083686158
- Carmel Bonnaig, MDEmergency Medicine Physician1558331272
- Mehrdad Haghighat-Jou, D.O.Emergency Medicine Physician1538134879
- Mohamed Kuziez, MDEmergency Medicine Physician1457338493
- Otha Rains, M.D.Emergency Medicine Physician1720064009
Verify Barbara A. Ellzey 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 R9742Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average emergency medicine physician in 2024
487 Medicare Part D claims for 344 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 33 claims were for opioids.
Most prescribed
- Prednisone42 claims
- Azithromycin38 claims
- Doxycycline Hyclate36 claims
- Amoxicillin-Clavulanate Potass32 claims
- Cefuroxime25 claims
- Hydrocodone-Acetaminophen21 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
3 hospitals and group practices
- Memorial HospitalChester, IL · Acute Care Hospitals5 of 5 stars
- Emergency Physicians OF St Lukes LLCDes Peres, MO
- Premier Medical Physicians LLCDes Peres, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Barbara A. Ellzey among 1,405 emergency medicine physician records in Missouri
Barbara A. Ellzey, MD is one of 1,405 emergency medicine physician records with a practice address in Missouri. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1978 · median 2012 among the 808 with a school on file
- Record last updated2008 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
398 emergency medicine physician records list a practice address in Saint Louis
They are 398 of the 27,605 NPPES records with a practice address in Saint Louis, and 1,405 emergency medicine physician records in Missouri.
All 1,405 in Missouri → Every provider in Saint Louis → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Alex Amanat, MDSaint Louis, MO 631231306846027
- Lowell Barrowes, MDSaint Louis, MO 631231720066491
- John Beck, M.D.Saint Louis, MO 631231083686158
- Carmel Bonnaig, MDSaint Louis, MO 631231558331272
- Mehrdad Haghighat-Jou, D.O.Saint Louis, MO 631231538134879
- Mohamed Kuziez, MDSaint Louis, MO 631231457338493
- Otha Rains, M.D.Saint Louis, MO 631231720064009
- Vijai Chauhan, M.D.Saint Louis, MO 631221982612677
Common questions
What is Barbara A. Ellzey, MD's NPI number?
Barbara A. Ellzey, MD's National Provider Identifier (NPI) is 1235116492, issued on Dec 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Barbara A. Ellzey, MD located?
The NPPES record lists a practice address at 11123 S Towne SQ, Saint Louis, MO, 63123. Phone: (314) 487-4537. Providers update this record themselves, so call before visiting.
How can I verify Barbara A. Ellzey, MD's license?
NPPES lists Missouri license number R9742, 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.
How much does Barbara A. Ellzey, MD prescribe under Medicare Part D?
In 2024, Barbara A. Ellzey, MD had 487 Medicare Part D claims for 344 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Barbara A. Ellzey, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.