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

Dr. Sherwin Ritz, MD

Individual provider Otolaryngology Physician · NPI 1861495194

Dr. Sherwin Ritz, MD is an Otolaryngology Physician in Dixon, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2005
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

215 E 1st St Ste 153
Dixon, IL 61021-3175
Phone: (815) 285-5603
Fax: (815) 285-5813
Show map & directions

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

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 036-053594 (IL)

Record details

NPI number1861495194
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 31, 2005
Last updated in NPPESOctober 8, 2019
Mailing address215 E 1st St Ste 153, Dixon, IL 61021-3175