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Clinic Type

Endocrinology

Address

201 N Mayfair Rd, Fl 2, Wauwatosa, WI 53226

Phone

(414) 771-8228

Email

careers@ascension.org

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Endocrinology
  • Diabetes & Metabolism
  • Endocrinology, Diabetes & Metabolism
  • Endocrinology (Endocrinology)

Team

  • Hairong Sang, MD — Endocrinologist
  • Kimberly A LaMack, MD — Endocrinologist
  • Ivica Boban, MD — Endocrinologist
  • Usonwanne U Ibekwe, MD — Endocrinologist
  • Amy J Fisco, MD — Endocrinologist
  • Amy M DeGueme, MD — Endocrinologist
  • Sarah M Misustin — PA - Endocrinology

Insurance & Payment

Languages Spoken

  • English
  • Vietnamese

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Vitals: 5.0 out of 5 stars (from 2 ratings) (2 ratings)
  • Vitals: 3.7 out of 5 stars (2 reviews)
  • WebMD Care: 3.5 out of 5 stars (9 ratings)
  • Birdeye (Ascension NE Wisconsin): 4.8 out of 5 stars (21 reviews)

Patients praise

  • High medical expertise and knowledgeability
  • Effective treatment and improved health outcomes
  • Helpful, friendly staff in some locations
  • Personalized care for diabetes and hormone management

Common complaints

  • Perceived lack of empathy or poor bedside manner
  • Billing and administrative disputes
  • Difficulty with appointment scheduling and cancellations
  • Communication barriers due to language or accent

"Dr. LaMack is an excellent doctor, since seeing her, my husband's diabetes has been more manageable. Thank you Dr. LaMack!!!"

Vitals user review for Dr. Kimberly LaMack

"Unprofessional, rigid, callous, and caused needless distress. I’ve now transferred care outside Ascension."

WebMD Care user review for Dr. Amy DeGueme

"Yes, Dr. Sang is an excellent physician... The most caring physician ever!"

Vitals user review for Dr. Hairong Sang

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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