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

Dr. Craig S Siegel, MD

Individual provider Internal Medicine Physician · NPI 1295812733

Dr. Craig S Siegel, MD is an Internal Medicine in Festus, Missouri. Graduated from New York University School of Medicine in 1994, 32 years ago. Practices with Mercy Clinic Oncology LLC, a 30-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Missouri and Oklahoma.

Years since qualifying
32
Trained at
New York University School of Medicine
Licensed in
MO, OK
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.

See every abbreviation used in this directory →

Practice location Address checks out

1350 US Highway 61
Festus, MO 63028-4124
Phone: (636) 931-3655
Fax: (636) 933-0293
Show map & directions

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

Additional practice locations (2)

  • 620 Maple Valley Dr, Farmington, MO 63640-1976 — (636) 931-3655
  • 1420 Us Highway 61, Festus, MO 63028-4108 — (636) 931-3655

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 2004012584 (MO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2004012584 (MO)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 33191 (OK)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence G77126 (MO)

Record details

NPI number1295812733
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESMarch 17, 2018

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice Mercy Clinic Oncology Llc — 30 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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