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

Othon Wiltz, MD

Individual provider Colon & Rectal Surgery Physician · NPI 1174525869

Othon Wiltz, MD is a Colorectal Surgery (Proctology) in Fairfax, Virginia. Graduated from Columbia University College of Physicians and Surgeons in 1985, 41 years ago. Practices with Montefiore Medical Center, a 2,796-clinician group. Licensed in Puerto Rico and Virginia.

Years since qualifying
41
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
PR, VA
In the registry since
2005
Specialties on file
2
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

3620 Joseph Siewick Dr Ste 406
Fairfax, VA 22033-1761
Phone: (703) 359-8640
Fax: (703) 591-6105
Show map & directions

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

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence 0101240155 (VA)
Colon & Rectal Surgery Physician Taxonomy 208C00000X · Licence 11687 (PR)

Record details

NPI number1174525869
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 11, 2005
Last updated in NPPESJuly 25, 2017
Mailing address3620 Joseph Siewick Dr, Suite 406, Fairfax, VA 22033

Medicare enrollment

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

Medicare specialtyCOLORECTAL SURGERY (PROCTOLOGY)
Also practisesGENERAL SURGERY
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 1985 (41 years in practice)
Group practice Montefiore Medical Center — 2796 clinicians
Accepts Medicare assignment Not indicated
Practice locations3 on file with Medicare

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