Sarah Michelle Guess, MD
Emergency Medicine Physician · Saint Louis, MO
Sarah Michelle Guess, MD is an emergency medicine physician with a practice address in Saint Louis, Missouri, and NPI 1336633197, issued on Jun 15, 2018. Check the license (Missouri 2024016624, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Sarah Michelle Guess
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 2024016624 MO
52704 SC
Self-reported in NPPES; status is on the state search - Practice location
- 660 S Euclid Ave, Saint Louis, MO 63110
- Phone
- (314) 273-0246
- Enumerated
- Jun 15, 2018
- Record last updated
- Sep 24, 2024
- Fax
- (864) 455-5474
- Medicaid ID
- 527040 SC
- Medicare enrollment
- Enrolled (PECOS I20240827002999); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,405 in Missouri → Look up another NPI →
Also registered at 660 S Euclid Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sarah Michelle Guess 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 2024016624Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average emergency medicine physician in 2024
137 Medicare Part D claims for 92 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 19 claims were for opioids.
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 one group practice
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Michelle Guess among 1,405 emergency medicine physician records in Missouri
Sarah Michelle Guess, 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 2018, is newer than 75% of them.
- NPI issued2018 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2018 · median 2012 among the 808 with a school on file
- Record last updated2024 · 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
- David Amin, MDSaint Louis, MO 631101528003787
- Brian Cohn, MDSaint Louis, MO 631101649206061
- Brian Froelke, MDSaint Louis, MO 631101114951233
- Gary Gambill, MDSaint Louis, MO 631101346282837
- Richard Griffey, MDSaint Louis, MO 631101023075405
- Kamal Gursahani, MDSaint Louis, MO 631101396760849
- Reuben Johnson, MDSaint Louis, MO 631101174563217
- Richard Schmidt, MDSaint Louis, MO 631101437133501
Common questions
What is Sarah Michelle Guess, MD's NPI number?
Sarah Michelle Guess, MD's National Provider Identifier (NPI) is 1336633197, issued on Jun 15, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Michelle Guess, MD located?
The NPPES record lists a practice address at 660 S Euclid Ave, Saint Louis, MO, 63110. Phone: (314) 273-0246. Providers update this record themselves, so call before visiting.
How can I verify Sarah Michelle Guess, MD's license?
NPPES lists Missouri license number 2024016624, 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 Sarah Michelle Guess, MD prescribe under Medicare Part D?
In 2024, Sarah Michelle Guess, MD had 137 Medicare Part D claims for 92 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.