Outpatient Specialty Clinics | Humboldt County Memorial Hospital

In an effort to provide specialized health care locally, HCMH offers patient access to many traveling healthcare providers. Many of the tests and procedures ordered by these providers can be done right here in Humboldt for your convenience.

Visiting Providers seeing patients right here in Humboldt include:

Dr. Darren Croo


Specialty: General Surgery

  • Training: Wayne State University School of Medicine
  • Med School College/Residency/Internship: University of Nebraska Medical Center 
  • Board Certifications: American Board of Surgery


More information: https://doctors.unitypoint.org/provider/Darren+Croo/1264271

Meet Dr. Croo: https://www.facebook.com/UnityPointFortDodge/videos/582071325647883

Call (515) 574-6865 to make an appointment.


Mark D. Hartman, D.P.M., F.A.C.F.A.S. 


     SpecialtyPodiatry (Foot and Ankle)

  • College/Medical School: Scholl College of Podiatric Medicine, University of Iowa
  •  Residency: Trinity Regional Medical Center
  •  Board Certification(s): Board Certified by the American Board of Podiatric Surgery in Foot and Reconstructive Rearfoot/Ankle Surgery, Podiatric Surgery
  • Fellowship(s): American Professional Wound Care Association


Areas of Interest: Amputation, Ankle Surgery, Arthroscopic Surgery, Bone and Joint Infections, Bunions and Hammertoes, Clubfoot, Diabetic Foot Care, Foot and Ankle, Foot and Ankle Reconstruction, Foot and Ankle Surgery, Foot and Ankle Trauma, Fracture Care, Heel Pain, Joint Injections, Minor Office Procedures, Orthotics, Osteoarthritis, Pediatric Foot Care, Podiatric Surgery, Reconstructive Surgery, Sports Medicine, Toenail Removal, Wart, Mole and Lesion Removal, Wound Care


More information: https://doctors.unitypoint.org/provider/Mark+D.+Hartman/1165422

Call (515) 302-8700 to make an appointment.


Dr. Kenneth Adams

 Specialty: Gastroenterology and Hepatology


  • College/Medical School: University of Osteopathic Medicine and Health Sciences, Des Moines
  • Residency: Chicago Osteopathic Medical Center
  • Board Certification(s): Gastroenterology, Internal Medicine
  • Fellowship(s): Chicago Osteopathic Medical Center
  • Internship: Des Moines General Hospital


Areas of Interest: Abdominal Paracentesis, Acid Reflux, Bile Duct Stone Removal, Biliary and Pancreatic disease, Biopsy, Celiac Disease, Chronic Abdominal Pain, Colonoscopy, Constipation, Crohn's Disease, Dysplasia, Early Cancer Detection, Encopresis, Endoscopic - Gastrointestinal tract, Endoscopy, ERCP, Esophageal Motility Disorder, Esophagogastroduodenoscopy, Gastric Reflux, Gastroenterology, Gastroenterology/Hepatology, Gastrointestinal Endoscopy, Gastroscopy, GI Malignancies and Hepatology, Hepatitis C, Hepatitis Treatment, Inflammatory Bowel Disease, Irritable Bowel Syndrome, Liver Disease, Swallowing Disorders, Ulcerative Colitis, Upper and Lower Endoscopy, Upper GI Endoscopy

Accepts Children: No 

More information: https://www.iowaspecialtyhospital.com/doctors

Call (515) 332-7526 to make an appointment.


Amy Faga, MSN, ARNP, FNP-C

Specialty: GERD, IBS, Fatty Liver, and other chronic GI conditions. 

  • Medical Interests: Gastroenterology: GERD, IBS, fatty liver, and other GI conditions
  • Certifications: American Association of Nurse Practitioners; Family Nurse Practitioner
  • Education: Bachelors in Nursing - Luther College; Masters in Nursing and Family Nurse Practitioner - Drake University 


Hobbies and Personal Interest: Enjoys spending time on the farm with her family and spending time at the lake in the summer. 

More Information: Amy Faga | Iowa Specialty Hospital

Call (515) 332-7526 to make an appointment


Ben Becker, PA-C  

 Specialty:Orthopedics and Sports Medicine

  • Medical Interests: Assists Drs. Li, Palit, Kakade, and Odland in performing surgical and nonsurgical procedures for the spine, shoulder, elbow, hand, hip, and knee.
  • Education: Bachelor of Science in Human Biology from Minnesota State University; Physician Assistant degree from Barry University - Miami Shore, FL
  • Hobbies and Personal Interests: Enjoys staying active through fitness, volunteering with area sports teams, hunting, and multiple outdoor activities.

More Information: Ben Becker, PA-C | Iowa Specialty Hospital

Call (515) 955-6767 to make an appointment.


Dr. Tracey Wellendorf, M.D.

Board Certified Otolaryngology- Head and Neck Surgery

  • Medical Interests: Ear, Nose & Throat - Balloon Sinuplasty and Coblation Tonsillectomies
  • Education: Magna Cum Laude from Creighton University with a Bachelor of Science Degree in Chemistry, University of Iowa College of Medicine graduated with his MD, Internship in general surgery and his residency in otolaryngology at the University of North Carolina in Chapel Hill


Hobbies and Personal Interests: Enjoys motor car racing and enjoying family time! 

More information: http://www.wellendorfent.com

Call 712-792-4368 to make an appointment. 


Dr. Emile Li

Emile Li
     Specialty: Orthopedics, Surgical Services, Sports Medicine

  • Areas of Interest: Hip, knee, and shoulder reconstruction, sports medicine, and carpal tunnel
  • Certifications: American Board of Orthopedic Surgery with added qualification in orthopedic sports medicine
  • Education: Creighton University in Omaha, NE (undergraduate & medical)


  • Residency: Waterbury Hospital affiliated with Yale University School of Medicine in Waterbury, Connecticut (general surgery), Bronx-Lebanon Hospital Center affiliated with Albert Einstein College of Medicine in Bronx, NY (orthopedic surgery)
  • Fellowship: Franciscan St. Francis Health's Center for Hip & Knee Surgery in Indianapolis, IN (joint replacement and sports medicine)
  • Professional Societies: A diplomat of the American Board of Orthopedic Surgery, a fellow of the American Academy of Orthopedic Surgeons, a diplomat of the National Board of Medical Examiners, American Association of Hip and Knee Surgeons, Iowa Orthopedic Society
  • Leadership Roles: One of the founders of Orthopedic Specialists in 1995, clinical assistant professor in orthopedics at Des Moines University
  • Hobbies and Personal Interests: Native of New York, NY, enjoys spending time with his family and friends

More information: https://www.iowaspecialtyhospital.com/doctors/emile-li

Call (515) 955-6767 to make an appointment.


Sarah Tofilon, M.D.

    Specialty: Oncology and Hematology

  • Residency: Northwestern University, Chicago, IL
  • Board Certification(s): Internal Medicine
  • Fellowship(s): Oncology, University of Iowa Hospitals and Clinics, Iowa City, IA


More information: https://doctors.unitypoint.org/provider/Sarah+Tofilon/1168819

Call Trinity Cancer Center at (515) 574-8587 to make an appointment.


Dr. Hugo A. Rivadeneyra

     Specialty: Endocrinology - Telehealth

  • Education: Universidad Mayor De San Andres - M.D., Medical; 2008
  • Residency: Advocate Illinois Masonic Medical Center - Internal Medicine; 2015
  • Fellowship: MetroHealth Medical Center - Endocrinology; 2017


More information: https://www.mcfarlandclinic.com/doctors/hugo-rivadeneyra

Call (515) 239-4440 to make an appointment.   


John Michael Chua Chiaco, M.D.

    Specialty: Interventional Cardiology

  • Cardiology Fellowship - University of Hawaii
  • Interventional Cardiology Fellowship - Dartmouth Hitchcock Medical Center
  • Residency - Grand Rapids Medical Education & Research Center
  • Medical School - University of Philippines, Manila


More information: John Michael Chua Chiaco M.D. | Iowa Heart Center

Call (515) 574-8700 to make an appointment. 


Kathryn Foy, MSN, ARNP, FNP-C

Specialty: Dermatology

  • Dermatologic treatment of skin cancer, rashes, Psoriasis, acne, warts, moles, Eczema, Rosacea, fungal infections, allergic reactions, nail problems, hair loss, and pigmentation. Also offers microneedling, microdermabrasion, Botox, fillers, and chemical peels.

More Information: Kathryn Foy | Radiant Complexions

Call 515-955-4440 to make an appointment.



Jamey Gregersen, A.R.N.P

Jayme Gregersen
     Specialty: Psychiatry

  • Areas of Interest: Mental Health
  • Accepts Children: Yes
  • College/Medical School: Allen College
  • Board Certification(s): American Nurses Credentialing Center


More information: https://doctors.unitypoint.org/provider/Jamey+Gregersen/1168722

Call (515) 955-7171 to make an appointment.


Dan Olsen, D.O.

Specialty: Urology

  • Areas of Interest: Erectile Dysfunction, Prostate Cancer, Urinary Conditions, Kidney Stones, Incontinence, Low Testosterone, Vasectomy.
  • Accepts Children: Yes
  • Medical Degree: Des Moines University (College of Osteopathic Medicine)
  • Undergraduate Degree: Brigham Young University
  • Internship/Residency: Charleston Area Medical Center


More information: https://siouxlandurology.com/daniel-olsen-do/

Call (515) 332-7615 to make an appointment.


Starr Banwell, H.I.S

Specialty: Audiology and Hearing Instruments

Service Scope: Audiometric Hearing Test, Otoscopy Exam, Speech Audiometry Exam, Tinnitus Assessment, Prescription Fitting, Hearing Aid Adjustments, Irrigation/Removal of Cerumen, Hearing Aid Cleaning & Sound Quality Check,  Hearing Aid Reprogramming, Hearing Aid Loaner Program, Coordination of Hearing Aid Repair

Background: Starr grew up in the Humboldt area and lives in Webster City with her husband Shawn and their son Ayden. Starr serves the Humboldt, Marshalltown, Ankeny, & Boone ASI Clinics. She loves to help people hear better and her favorite thing is to hear someone say they can finally hear their grandchildren speak to them again.

More information: https://www.asiaudiology.com/humboldt

Call (515) 955-2985to make an appointment.


Dr. David Ilceski, MD

Specialty: Obstetrics and Gynecology




Dr. Ericha Worple, DO

Specialty: General Surgery, Wound Care




Webster County Family Planning

More Information Call (515) 573-4107 or Toll Free: (888) 289-3318


Mercedes Thompson, Outpatient Clinic Coordinator
1000 15th Street North, Humboldt, IA 50548
Phone (515) 332-7615 | Fax (515) 332-7575

Alison Angstrom, Outpatient Specialty Clinic Manager and Patient Experience Coordinator
1000 15th Street North, Humboldt, IA 50548
Phone (515) 332-7628