Obesity Medicine in Grinnell, IA - Find a Physician or Specialist

Weight Loss Surgery Clinic • Grinnell, IA

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About

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Clinic Type

Weight Loss Surgery Clinic

Address

122 4th Avenue, Grinnell, IA 50112

Phone

5152418199

Email

UPH_CentralIAPrivacyOfficer@unitypoint.org

Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://doctors.unitypoint.org/specialty/Obesity%20Medicine/near/Grinnell%2C%20IA?page=1

Services Offered

Obesity Medicine

Team

Mahmoud Tayash — MD, FASMBS
Phillip Bilderback — MD
Kristina Beck, ARNP — ARNP
Brittney Jansen — MSN, ARNP, FNP-C

Insurance & Payment

—

Languages Spoken

—

Social Media

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Photos

What Patients Say

Overall sentiment across review platforms: positive

WebMD (Dr. Phillip Bilderback): 5 out of 5 (average rating from 1 rating) (1 rating)
ObesityHelp (Dr. David Coster): Highly positive patient feedback (multiple reviews; explicit numeric rating not consistently shown) (76 reviews)

Patients praise

Compassionate, understanding bedside manner and supportive staff reported by bariatric surgery patients
High perceived surgical/aftercare quality in patient reviews
Providers are presented as specialized in bariatric/obesity medicine and weight-loss management
UnityPoint’s weight loss clinic emphasizes comprehensive, multidisciplinary support and patient education

Common complaints

No negative themes were clearly evidenced in the provided review excerpts; sources reviewed were predominantly favorable
WebMD excerpt does not list complaints; ObesityHelp excerpt provided is largely positive

"“I have seen his work on other patients and the scars are very decent-looking… He also told me that getting the RNY could lead to having an Iron Defficiency.”"

— ObesityHelp review excerpts for Dr. David Coster (Grinnell, IA)

"“Patients gave Dr. Phillip Bilderback an average rating of 5 out of 5.”"

— WebMD page for Dr. Phillip Bilderback

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. Own this clinic? Claim or correct this listing.