Richard L. Grieser MD
Dr. Richard Grieser joined FCHC Primary Care Wauseon in July of 2015. He graduated from the University of Cincinnati College of Medicine, in Cincinnati in 1979. Dr. Grieser is an active staff member at the Fulton County Health Center. Dr. Grieser cares for patients of all ages.
Residency
Toledo Hospital – Family Medicine Residency
Toledo, OH
June 1983 – June 1986
Alpha Omega Alpha Honor Medical Society – 1981
Education
University of Cincinnati College of Medicine
Cincinnati, OH
MD 1979
University of Toledo
Toledo, OH
Bachelor of Science
Licensure
Medical License, State of Ohio
Rebecca L. McClarren MD
Dr. McClarren joined FCHC Primary Care Wauseon in January of 2017. She graduated from the Ohio State University College of Medicine and Public Health, in Columbus in 1980. Dr. McClarren is board certified in Family Medicine through the American Board of Family Medicine. Dr. McClarren is an active staff member at the Fulton County Health Center. Dr. McClarren cares for patients of all ages.
Residency
Flower Hospital
Sylvania, OH
July 1981 – 1983
Grant Hospital
Columbus, OH
July 1980 – June 1981
Internship
Grant/Riverside Methodist Hospital
Columbus, OH
July 1980 – June 1981
Education
Ohio State University College of Medicine & Public Health
Columbus, OH
MD 1980
Certification and Licensure
Board Certified in Family Medicine through the American Board of Family Medicine
Licensure
Medical License, State of Ohio
Leslie S. Clemensen MD
Dr. Clemensen joined FCHC Primary Care Wauseon in September of 2022. She graduated from the St. George’s University School of Medicine in 2015. Dr. Clemensen is board certified in Family Medicine through the American Board of Family Medicine and is a member of the American Academy of Family Physicians. Dr. Clemensen is an active staff member at the Fulton County Health Center. Dr. Clemensen cares for patients of all ages.
Residency
McLaren St Luke’s Family Medicine Residency
Maumee, OH
July 2019 – 2022
Education
St. George’s University School of Medicine
St. George’s, Grenada, West Indies
MD 2019
The University of Toledo
Toledo, OH
Certification and Licensure
Board Certified through the American Board of Family Medicine
Member of American Academy of Family Physicians
Licensure
Medical License, State of Ohio
Paramedic
Interests
Gardening, knitting and cooking
Keith H. Shamrock DO
Dr. Shamrock joined FCHC Primary Care Wauseon in November of 2025. She graduated from the University of Toledo College of Medicine in 2017.
Residency
Family Medicine Residency
University of Florida
Chief Resident (2022-2023)
2020-2023
Education
Liberty University College of Osteopathic Medicine
Lynchburg, VA
Degree: Doctor of Osteopathic Medicine
Academic Class Rank: First (1/155)
2016-2020
University of Florida
Degree: Bachelor of Science
Graduated Cum Laude
2011-2015
Professional Memberships
Florida Academy of Family Physicians, 2020 – Present
American Academy of Family Physicians, 2020 – Present
Student American Academy of Osteopathy, 2016 – Present
American Osteopathic Association, 2016 – Present
American College of Osteopathic Family Physicians, 2016 – Present
Licensure
Medical License, State of Ohio
Lekha Vemuru MD
Dr. Vemuru joined FCHC Primary Care Wauseon in November of 2025. She graduated from the University of Toledo College of Medicine in 2017.
Fellowship
Family Medicine Surgical Obstetrics/Women’s Health and Faculty Development Fellowship
Halifax Health
Daytona Beach, FL
2024-2025
Residency
Family Medicine Residency
University of Florida
Chief Resident (2023-2024)
2021-2024
Education
University of Toledo College of Medicine
7-Year combined BS/MD
2017-2021
University of Toledo
Bachelor of Science, Major: Biology Minors: Spanish
Chemistry Honors, Summa Cum Laude
2014-2017
Professional Memberships
American Academy of Family Physicians, 2017 – Present
Florida Academy of Family Physicians, 2021- Present
Licensure
Medical License, State of Ohio
Marissa M. Baus NP
Marissa Baus NP, joined FCHC Primary Care Wauseon in October of 2013. She graduated from The University of Toledo Medical College, in Toledo in 2013. Marissa is certified in Family Practice from the American Academy of Nurse Practitioners. She is an active staff member at the Fulton County Health Center. She was employed as a Registered Nurse at Fulton County Health Center for 9 years prior to pursing her advanced degree. She is a member of the American Academy of Nurse Practitioners and Ohio Association of Advanced Practice Nurses. Marissa has a sincere concern for patients of all ages including pediatrics and geriatrics. Marissa and her spouse Aaron Baus are happily married with 2 sons. Marissa and her family reside just out side the city of Wauseon.
Education
University of Toledo Medical College, Toledo, Ohio – 2013
Family Nurse Practitioner Certificate
Medical College of Ohio, Toledo, Ohio – 2005
Masters of Science in Nursing
Anderson University, Anderson, Indiana – 2002
Bachelors of Science in Biology
Certification and Licensure
Certified, American Academy of Nurse Practitioners
Family Nurse Practitioner License, State of Ohio
Affiliations
American Academy of Nurse Practitioners (AANP)
Ohio Association of Advanced Practice Nurses (OAAPN)
Jacob J. Grime CNP
Jake Grime joined FCHC Primary Care Wauseon in May of 2020. He was employed as a Registered Nurse at Fulton County Health Center for 7 years before becoming a Nurse Practitioner. Jake is certified in Family Practice through the American Association of Nurse Practitioners.
Education
Walden University
Minneapolis, MN
Master of Science in Nursing – Family Nurse Practitioner
November 2018
The Ohio State University
Columbus, OH
Bachelor of Science in Nursing
May 2016
Owens State Community College
Toledo, OH
Associate Degree of Nursing
May 2013
Taylor L. Short CNP
Taylor Short joined FCHC Primary Care Wauseon in December of 2024. Taylor is certified through the American Association of Nurse Practitioners.
Education
James Madison University
Harrisonburg, VA
Master of Science: Family Nurse Practitioner
May 2018
Bethel College
Mishawaka, IN
Bachelor of Science in Nursing
May 2015