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

Ellen C Hayes, MD

Individual provider Reproductive Endocrinology Physician · NPI 1174546899

Ellen C Hayes, MD is a Reproductive Endocrinology Physician in Wauwatosa, Wisconsin. Works from 13 locations. Licensed in Illinois, Michigan, Minnesota and Ohio and 2 more.

Licensed in
IL, MI, MN, OH, WA, WI
In the registry since
2006
Specialties on file
6
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

2500 N Mayfair Rd Ste 420
Wauwatosa, WI 53226-1443
Phone: (262) 518-7448
Show map & directions

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

Additional practice locations (12)

  • 333 S Desplaines St Ste 201, Chicago, IL 60661-5514 — (773) 435-9029
  • 1455 N Milwaukee Ave, Chicago, IL 60622-2015 — (773) 435-9036
  • 2246 Weber Rd, Crest Hill, IL 60403-0928 — (815) 725-4161
  • 2172 Blackberry Dr Ste 204, Geneva, IL 60134-1106 — (815) 725-4341
  • 2501 Compass Rd Ste 135, Glenview, IL 60026-8068 — (224) 404-2042
  • 1585 N Barrington Rd Ste 401, Hoffman Estates, IL 60169-5020 — (847) 843-7090
  • 6 Bronze Pointe S, Swansea, IL 62226-8307 — (314) 266-2062
  • 26400 W 12 Mile Rd Ste 140, Southfield, MI 48034-1753 — (248) 780-2070
  • 138 N 2nd St, Minneapolis, MN 55401-4458 — (612) 230-4090
  • 8845 Lyra Dr, Columbus, OH 43240 — (380) 222-2731
  • 811 Stewart St, Seattle, WA 98101-1305 — (206) 736-5839
  • 2501 Ne 134th St Ste 100, Vancouver, WA 98686-3027 — (360) 535-7590

Specialties & licences

Reproductive Endocrinology Physician (primary) Taxonomy 207VE0102X · Licence 40314-20 (WI)
Reproductive Endocrinology Physician Taxonomy 207VE0102X · Licence 35.148645 (OH)
Reproductive Endocrinology Physician Taxonomy 207VE0102X · Licence 036.143473 (IL)
Reproductive Endocrinology Physician Taxonomy 207VE0102X · Licence 4301116595 (MI)
Reproductive Endocrinology Physician Taxonomy 207VE0102X · Licence 61401 (MN)
Reproductive Endocrinology Physician Taxonomy 207VE0102X · Licence MD61493841 (WA)

Record details

NPI number1174546899
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 25, 2006
Last updated in NPPESMay 23, 2024
Certification dateMay 16, 2024

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