Portland Pediatric Clinic

  • 2701 NW Vaughn St. 360
    Portland, OR 97210
    Map Directions
  • P: 503-227-0671
    F: 503-227-0676

Lake Oswego Pediatric Clinic

  • 4103 SW Mercantile Dr.
    Lake Oswego, OR 97035
    Map Directions
  • P: 503-636-4508
    F: 503-635-3729

Pediatricians and Providers

All physicians are accepting new patients

Physician Portland: Bruce Birk

Bruce J. Birk, MD, FAAP


Dr. Birk earned his medical degree from the University of Texas Southwestern Medical School in 1996. He completed his residency in pediatrics at Rhode Island Hospital and Brown University School of Medicine in 1999. Dr. Birk joined Pediatric Associates of the Northwest P.C., in 1999, and currently practices in our Portland office. Send Dr. Birk an email.

Physicians Portland: James Bluhm

James S. Bluhm, MD, FAAP


Dr. Bluhm earned his medical degree from Oregon Health Sciences University in 1988. He began his pediatric residency at St. Louis University from 1988 to 1990. He completed his training at Oregon Health Sciences University in 1992. Dr. Bluhm joined Pediatric Associates of the Northwest P.C., in 1992, and currently practices in our Portland office. Send Dr. Bluhm an email.

Physician Portland: Pilar Buerk

Pilar H. Buerk, MD, FAAP


Dr. Buerk earned her medical degree from Wayne State University in 1992. She completed her residency in pediatrics at Oregon Health Sciences University in 1995. Dr. Buerk joined Pediatric Associates of the Northwest P.C., in 1995, and currently practices in our Portland office. Send Dr. Buerk an email.

Physicians Portland: Elizabeth Carr

Elizabeth A. Carr, MD, FAAP


Dr. Carr earned her medical degree from the University of Virginia in 1988. She completed her residency in pediatrics at Medical College of Virginia in 1991, then practiced pediatrics for two years in Virginia. In 1994, Dr. Carr moved to Portland and joined Pediatric Associates of the Northwest P.C.. She currently practices in our Lake Oswego office. Send Dr. Carr an email.

Physician Portland: Casares Whitney

Whitney Casares, MD, FAAP, MPH


Dr. Casares earned her medical degree from the University of Vermont School of Medicine in 2008. She completed her residency in pediatrics at Lucile Packard Children’s Hospital at Stanford University in 2011. Dr. Casares joined Pediatric Associates of the Northwest P.C., in 2011, and currently practices in both our Portland and Lake Oswego offices. Send Dr. Casares an email.

Albert E. Chaffin, MD, FAAP


Dr. Chaffin earned his medical degree from the University of Toledo Health Science Campus in Ohio, in 2006. He did his internship and residency from Oregon Health Science University in Portland. Dr. Chaffin joined Pediatric Associates of the Northwest P.C. in 2009 and currently practices in both our Portland and Lake Oswego offices. Send Dr. Chaffin an email.

Physician Portland: Laura Dahl

Laura L. Dahl, MD, FAAP


Dr. Dahl earned her medical degree from Medical College of Wisconsin in 1990. She completed her residency in pediatrics at Oregon Health Sciences University in 1993. Dr. Dahl joined Pediatric Associates of the Northwest P.C., in 1993, and currently practices in our Lake Oswego office. Send Dr. Dahl an email.

Physicians Portland: Mary Evans Smith

Mari Kay Evans-Smith, MD, FAAP

Dr. Evans-Smith earned her medical degree from Loma Linda Medical School in 1989. She completed her residency in pediatrics at University of California, Irvine in 1992. Dr. Evans-Smith joined Pediatric Associates of the Northwest P.C., in 1992, and currently practices in our Portland office. Send Dr. Evans-Smith an email.

Physician Portland: Yosadha Gopal

Yasodha R. Gopal, MD, FAAP


Dr. Gopal earned her medical degree from George Washington University in 1994. She completed her residency in pediatrics at Boston Children’s Hospital and Harvard Medical School in 1997. Dr. Gopal practiced pediatrics in Burlington, MA, for four years before joining Pediatric Associates of the Northwest P.C., in 2001. Dr. Gopal retired in March, 2012. Read a letter to her patients here.

Physicians Portland: Robert Mendelson

Robert A. Mendelson, MD, FAAP


Dr. Mendelson earned his medical degree from the University of Oregon Medical School in 1959. He did his internship training at Tripler General Hospital, followed by residency in pediatrics at Fitzsimmons General Hospital. Dr. Mendelson joined Pediatric Associates of the Northwest P.C., in 1964. Dr. Mendelson retired in January, 2004.

Physician Portland: David Porter

David W. Porter, MD, FAAP


Dr. Porter earned his medical degree from the University of Oregon Medical School in 1973. He did his internship training at the University of Arizona, followed by residency in pediatrics at the University of Oregon Medical School. Dr. Porter joined Pediatric Associates of the Northwest P.C., in 1976, and currently practices in our Portland office. Send Dr.Porter an email.

Physicians Portland: Jay Rosenbloom

Jay S. Rosenbloom, MD, FAAP, PhD


Dr. Rosenbloom earned his medical degree from Oregon Health Sciences University in 1996. He also earned a Ph.D., from Oregon Health Sciences University in the Department of Cell Biology studying molecular and cellular biology. He completed his residency in pediatrics at the University of Arizona in 1999. Dr. Rosenbloom joined Pediatric Associates of the Northwest P.C., in 1999, and currently practices in our Lake Oswego office. Send Dr. Rosenbloom an email.

Physician Portland: Jack Schunk

Jack P. Schunk, MD, FAAP


Dr. Schunk earned his medical degree from Oregon Health Sciences University in 1983. He accomplished this after serving in the United States Air Force from 1972-1978 as a pilot. After medical school he completed his residency in pediatrics at Oregon Health Sciences University in 1986. Dr. Schunk joined Pediatric Associates of the Northwest P.C., in 1986 and currently practices in both our Portland and Lake Oswego offices. Send Dr. Schunk an email.

Physicians Portland: Jennifer Siebold

Jennifer J. Siebold, CPNP


Jennifer earned her masters degree in nursing from Oregon Health Sciences University in 1993. She worked as a Pediatric Nurse Practitioner for Legacy Emanuel Hospital until 1997, when she joined Pediatric Associates of the Northwest P.C. She currently practices in our Portland office. Send Jennifer Siebold an email.

Physician Portland: Justin Bush

Justin Bush, PhD


Dr. Bush completed an American Psychological Association accredited doctoral program at the University of Washington in 2009, following completion of an APA-approved internship in Dallas, TX. Afterwards, he completed a post-doctoral residency in the Portland area and became a licensed psychologist in Oregon in 2010. Dr. Bush recently joined Pediatric Associates of the Northwest P.C. in 2011. Dr. Bush practices in both our Portland and Lake Oswego offices. Send Dr. Bush an email.

Tamara Pederson, PhD


Tamara Pederson, Ph.D., Licensed Psychologist has recently joined PANW’s team. Dr. Pederson earned her Ph.D. in Clinical Psychology from the California School of Professional Psychology- Fresno in 1994. She completed her post-doctoral training at Eastern Montana Community Mental Health Center and then provided psychological services in New Hampshire and Washington. Dr. Pederson joined PANW in October 2010 and works at both the Portland and Lake Oswego offices. Send Dr. Pederson an email.

Dietitian Connie Evers

Connie Evers, MS, RD, LD


Registered dietitian Connie Evers completed her dietetic internship in 1982 from the University of Iowa Hospitals and Clinics. She earned her master’s degree in nutrition in 1984 from the University of Iowa and bachelor’s degree in dietetics in 1981 from the University of Nebraska. She has worked with children, teens and families for 30 years in school, community and healthcare settings. Connie joined Pediatric Associates of the Northwest P.C., in 2012 and currently practices in both our Portland and Lake Oswego offices. Send Connie Evers an email.