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

Dr. Nicholas Alan Welko, MD

Individual provider Surgical Critical Care Physician · NPI 1649711888

Dr. Nicholas Alan Welko, MD is a General Surgery in Saint Louis, Missouri. Graduated from University of Pittsburgh School of Medicine in 2017, 9 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
9
Trained at
University of Pittsburgh School of Medicine
Licensed in
MO
In the registry since
2017
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

1 Barnes Jewish Hospital Plz Div Surg Accs
Saint Louis, MO 63110-1003
Phone: (314) 362-5298
Fax: (888) 824-2176
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 2022032220 (MO)
Surgical Critical Care Physician Taxonomy 2086S0102X · Licence 2022032220 (MO)
Critical Care Medicine (Anesthesiology) Physician Taxonomy 207LC0200X · Licence 2022032220 (MO)

Record details

NPI number1649711888
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 20, 2017
Last updated in NPPESApril 17, 2025
Certification dateAugust 31, 2022

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Also practisesANESTHESIOLOGY, CRITICAL CARE (INTENSIVISTS)
Medical schoolUNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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