Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Dayton E Dmello, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1699723890

Dr. Dayton E Dmello, MD is a Critical Care (Intensivists) in Saint Louis, Missouri. Qualified in 1993, 33 years ago. Practices with Mercy Clinic Pulmonology - St Louis, LLC, a 22-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Colorado and Missouri.

Years since qualifying
33
Licensed in
CO, MO
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

621 S New Ballas Rd Ste 228A
Saint Louis, MO 63141-8232 Not confirmed with CMS for 11 years — call before visiting
Phone: (314) 251-4966
Fax: (314) 251-4588
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 2004030398 (MO)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 37336 (CO)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 37336 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 37336 (CO)

Record details

NPI number1699723890
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 4, 2006
Last updated in NPPESMarch 31, 2015

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Mercy Clinic Pulmonology - St. Louis, Llc — 22 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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