Healthcare Team

Getting exceptional care is easy at Mariposa Community Health Center. At our offices, a close knit family of physicians, dentists, nurse practitioners, nurses, technicians and support staff work together to give you complete care, combined with personal attention and convenience. To ensure accurate communication with our patients, virtually all of our staff members are bi-lingual. Many have worked with us for many years and understand the importance of delivering health care to you with compassion, empathy and professionalism.

Click to: Family Practice | Internal Medicine | Pediatrics | Obstetrics & Gynecology | Behavioral Health | Dentistry & Orthodontics | Pharmacy

FAMILY PRACTICE

Molly Anderson, MD (Patagonia)
Graduated:
The University of Arizona College of Medicine, Tucson, Arizona
Residency:
University Medical Center, University of Arizona, Tucson, Arizona

BOARD CERTIFICATIONS:
American Board of Family Practice


William Bartholomew, MD (Nogales)
Graduated:
Hahnemann University School of Medicine (Drexel University), Philadelphia, Pennsylvania
Residency:
University of Arizona Health Sciences Center; Department of Family and Community Medicine, Tucson, Arizona

BOARD CERTIFICATIONS:
American Board of Family Practice

Joel Block, MD (Nogales)
Graduated:
The University of Iowa College of Medicine, Iowa City, Iowa
Residency:
The University of Iowa Hospitals and Clinics, Iowa City, Iowa

BOARD CERTIFICATIONS:
American Board of Family Practice

Miriam Downey, F.N.P (Nogales)
Graduated:
The University of Arizona, Tucson, Arizona

BOARD CERTIFICATIONS:
American Academy of Nurse Practitioners

Alfonso Echeverria, MD (Rio Rico)
Graduated:
Universidad de los Andes, Escuela de Medicina, Merida, Venezuela
Residency:
East Carolina University School of Medicine, Greenville, North Carolina

BOARD CERTIFICATIONS:
American Board of Family Practice

John Knoblock, F.N.P (Nogales)
Graduated:
University of North Dakota, Grand Forks, North Dakota

BOARD CERTIFICATIONS:
American Board of Family Nurse Practitioners

Francisco Sandoval, FNP (Nogales) Graduated: Ball State University, Muncie, Indiana BOARD CERTIFICATIONS: American Academy of Nurse Practioners

INTERNAL MEDICINE

Parminder Singh Chahal (Nogales)
Graduated:
Dayanand Medical College & Hospital Ludhiana, Punjab, India
Residency:
Wayne State University at Sinai-Grace Hospital, Detroit, Michigan

BOARD CERTIFICATIONS:
American Board of Internal Medicine

Jorge Raul Mera, MD (Nogales)
Graduated:
National University of Cuyo School of Medicine, Mendoza, Argentina
Residencies: Center for Medical Education and Clinical Research, Buenos Aires, Agentina; and Presbyterian Hospital of Dallas, Dallas, Texas
Fellowships: Infectious Disease, Baylor College of Medicine, Houston, Texas
Clinincal Microbiology, Baylor College of Medicine, Houston, Texas

BOARD CERTIFICATIONS:
American Board of Internal Medicine


Eladio Pereira, MD, FACP (Nogales)
Graduated:
Emory University School of Medicine, Atlanta, Georgia
Residency:
Emory University Hospital, Atlanta, Georgia

BOARD CERTIFICATIONS:
American Board of Internal Medicine


Jeminah van Handel, MD (Nogales)
Graduated:
University of Wisconsin Medical School, Madison, Wisconsin
Residency:

PEDIATRICS

Kirstin Grahn, MD, MPH (Nogales)
Graduated: University of Arizona College of Medicine and College of Public Health, Tucson, Arizona
Residency: University of Arizona Health Sciences Center, Tucson, Arizona

BOARD CERTIFICATIONS:
American Board of Pediatrics

OBSTETRICS AND GYNECOLOGY
Smriti Rana (Nogales)
Graduated:
Dayanand Medical College & Hospital Ludhiana, Punjab, India
Residency:
Wayne State University at North Oakland Medical Centers, Pontiac, Michigan

Mark David Siletchnik, MD (Nogales)
Graduated:
New York Medical College, Valhalla,
New York
Residency:
OB/GYN, William Beaumont Army Medical Center, El Paso, Texas

BOARD CERTIFICATIONS:
American Board of Obstetrics and Gynecology

BEHAVIORAL HEALTH

Frank Bejarano, MA (Nogales)
Licensed Professional Counselor
Graduated:
Chapman University, Orange County, California
St. Leo University, St. Leo, Florida

DENTISTRY/ORTHODONTICS John Betz, D.D.S (Nogales) Graduated: University of Minnesota, Minneapolis, Minnesota

Justin Dutton, D.M.D (Nogales) Graduated: Temple University School of Dentistry, Philadelphia, Pennsylvania

Swati Patel, D.D.S (Nogales) Graduated: Indiana University School of Dentistry, Indianapolis, Indiana
Michael David Allen, DMD (Nogales) Graduated: Arizona School of Dentistry and Oral Health Mesa, Arizona

PHARMACY Carol Nickerson, RPh (Nogales) Graduated: Washington State University, Pullman, Washington

Sergio Enciso, RPh (Nogales) Graduated: University of Arizona School of Pharmacy, Tucson, Arizona