Eric Michael Guenther, D.O.
Hospitalist Physician · Saint Louis, MO
Eric Michael Guenther, D.O. is a hospitalist physician with a practice address in Saint Louis, Missouri, and NPI 1164716742, issued on Jun 1, 2011. Check the license (Missouri 2014010518, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Eric Michael Guenther
- Credential
- D.O.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 2014010518 MO
036.135440 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3015 N Ballas RD, Saint Louis, MO 63131
- Phone
- (314) 996-7080
- Enumerated
- Jun 1, 2011
- Record last updated
- Sep 17, 2025
- Fax
- (314) 996-7691
- Medicare enrollment
- Enrolled (PECOS I20140923001240); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 930 in Missouri → Look up another NPI →
Also registered at 3015 N Ballas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nancy Adams, FNP - BCFamily Nurse Practitioner1497280796
- Emmanuel Agyemang, MDHospitalist Physician1235831975
- Ayaz Ahmad, MDInternal Medicine Physician1629573142
- Bazgha AhmadHospitalist Physician1841517158
- Nusrat Ahmad, MDObstetrics & Gynecology Physician1114966348
Verify Eric Michael Guenther 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 2014010518Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% more Medicare Part D claims than the average hospitalist physician in 2024
624 Medicare Part D claims for 250 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 47 claims were for opioids.
Most prescribed
- Atorvastatin Calcium51 claims
- Cefdinir35 claims
- Prednisone30 claims
- Furosemide28 claims
- Eliquis25 claims
- Metoprolol Succinate23 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.
Bills Medicare through 2 group practices
- Physician Groups LCSaint Louis, MO
- Southeastern Physician Services PCSaint Peters, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric Michael Guenther among 930 hospitalist physician records in Missouri
Eric Michael Guenther, D.O. 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 2011, is newer than 33% of them.
- NPI issued2011 · 33% of these records are older, 63% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2011 · median 2014 among the 715 with a school on file
- 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
- Steven Hart, M.D.Saint Louis, MO 631311891821997
- Anshu Jain, M.D.Saint Louis, MO 631311588820468
- Fatima Khan, MDSaint Louis, MO 631311083687669
- Lauren Ludwig, MDSaint Louis, MO 631311073775052
- Maanasi Madan, MBBSSaint Louis, MO 631311861658874
- Thishara Merza, MDSaint Louis, MO 631311073773347
- Ernesto Negron, M.D.Saint Louis, MO 631311841475845
- Steven Pepper, M.D.Saint Louis, MO 631311447211222
Common questions
What is Eric Michael Guenther, D.O.'s NPI number?
Eric Michael Guenther, D.O.'s National Provider Identifier (NPI) is 1164716742, issued on Jun 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Eric Michael Guenther, D.O. located?
The NPPES record lists a practice address at 3015 N Ballas RD, Saint Louis, MO, 63131. Phone: (314) 996-7080. Providers update this record themselves, so call before visiting.
How can I verify Eric Michael Guenther, D.O.'s license?
NPPES lists Missouri license number 2014010518, 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 Eric Michael Guenther, D.O. prescribe under Medicare Part D?
In 2024, Eric Michael Guenther, D.O. had 624 Medicare Part D claims for 250 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
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.