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

Melissa N Weis, MD

Individual provider Internal Medicine Physician · NPI 1821242462

Melissa N Weis, MD is a Pulmonary Disease in Saint Louis, Missouri. Qualified in 2008, 18 years ago. Practices with Critical Care Services PC, a 35-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Missouri and Ohio.

Years since qualifying
18
Licensed in
MO, OH
In the registry since
2008
Specialties on file
3
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

12700 Southfork Rd
Saint Louis, MO 63128-3201
Phone: (314) 892-6565
Fax: (314) 892-4828
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 2011028712 (MO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 35.096141 (OH)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 2011028712 (MO)

Record details

NPI number1821242462
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 10, 2008
Last updated in NPPESMarch 14, 2017

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Critical Care Services Pc — 35 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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