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Our Faculty

Cristian Neagu, DPM Cristian Neagu, DPM

Director of Podiatric Medical Education

Dr. Neagu was born and raised in Romania until the age of 16 when the entire family immigrated to the USA. He received his undergraduate degree in biology from the University of California, Riverside and medical degree from California College of Podiatric Medicine in 1997.

Dr. Neagu obtained his surgical training at Kaiser Permanente Hayward Medical Center from 1997 to 2000 and his medical interests include revision surgery and ankle joint replacement. Board certification in foot and ankle reconstruction was completed in 2002 while working at Kaiser Permanente Fontana (Southern California). After a 2 year period in private practice in Hayward, Dr. Neagu joined the orthopedic department in Santa Clara in August 2005.

Dr. Neagu is happily married, speaks Romanian and Serbian and enjoys spending his free time with his wife Bita and two boys Mirko and Nolan.


Jon Risser, DPMJon Risser, MD

Assistant Director of Podiatric Medical Education

Dr. Risser was born and raised in Hacienda Heights, CA and was recruited out of high school and granted a full athletic scholarship to Stanford University for football. In 1981, He graduated from Stanford with a Bachelor of Arts in Human Biology. He then went on to the University of California, Irvine, where he did medical research in Immunology, acquiring technical experience in microvascular surgery. In 1983, He moved to San Francisco and attended the California College of Podiatric Medicine, where he graduated with Honors in 1987. He then completed a Residency in Podiatric Surgery at Kaiser Santa Clara, where he served as Chief Resident.

Dr. Risser joined The Permanente Medical Group in 1989 as a Podiatric Surgeon in the Department of Orthopedics. He has been the Director of the Podiatric Surgical Residency Program since 1991. He has published articles in medical journals and medical textbooks. He has served as a state license examiner for the California Board of Podiatric Medicine and is a diplomate of the Board of Podiatric Surgery. He is also a member of the American Podiatric Medical Association, and the California Podiatric Medical Association.

Dr. Risser has been happily married since 1986. He and his wife, Becky, have three wonderful children; they are their greatest source of enjoyment. He also enjoys outdoor activities, especially golf, basketball, running, biking; and enjoys the craft of woodworking.


Sumer Patel , DPMSumer Patel, DPM

Podiatry Department Chief

I received my undergraduate degree in Biology from Florida State University where I was a Florida Academic Scholar. I received my DPM degree from California College of Podiatric Medicine in 1998 graduating near the top of my class. I received my residency training in podiatric surgery at Kaiser Foundation Hospital in Santa Clara from 1998-2000.

l worked as a podiatric surgeon at the Los Gatos Foot and Ankle Center before accepting my position as a staff physician here at Kaiser Santa Clara. I am a Fellow of the American College of Foot and Ankle Surgeons.

My personal interests include snowboarding and golf.


Flair Goldman, DPMFlair Goldman, DPM

Attending Podiatric Surgeon

Dr. Goldman was born in New York and raised in Baltimore. He attended the University of Maryland from 1969 to 1972. In 1972, he moved to San Francisco to attend the California College of Podiatric Medicine, in 1974 he received his BS in basic medical science. In 1976 he received his Doctor of Podiatric Medicine Degree. From 1976 to 1978, Dr. Goldman did electron microscopic research on nerve tumors in the foot and received a Masters Degree in Anatomy. In 1978, Dr. Goldman moved to Santa Clara, where he started his first-year surgical residency in Podiatry at Kaiser Hospital. In 1979, he served as Chief Resident, Podiatric Surgery, at Kaiser Hospital in Santa Clara and completed his residency in 1980.

Dr. Goldman has been practicing Podiatric Surgery at Kaiser Hospital in Santa Clara ever since. He was Director of the Residency Program in Podiatric Surgery from 1982 to 1991 and has been Chief of the Division of Podiatric Surgery from 1983 to the present. Dr. Goldman was selected to participate in a traveling fellowship at Hadassah Hospital in Jerusalem, sharing American foot surgical techniques with surgeons from Israel, while learning their techniques at the same time. Dr. Goldman served on the Clinical Faculty of the California College of Podiatric Medicine, has authored numerous scientific articles published in medical journals, and has authored chapters for medical texts. Dr. Goldman has also lectured extensively on the subjects of foot diseases and disorders and the treatment. Dr. Goldman served on the admissions committee for the California College of Podiatric medicine as an editor for the Journal of American Podiatric Medical Association. He has served as an examiner for the Board of Quality Medical Assurance, Podiatry Division in California. Dr. Goldman is a Diplomat of the American Board of Podiatric Surgery.

Dr. Goldman is married and has raised two children. He lives in the Santa Cruz and likes outdoor activities.


Robert Richter, DPMRobert Richter, DPM

Attending Podiatric Surgeon

Dr. Richter was born and raised in New York City. He attended Adelphi University in Garden City on Long Island where he majored in biology and attained a bachelor’s degree in basic medical science. Dr. Richter enrolled in the California College of Podiatric Medicine in San Francisco where he received the degree of Doctor of Podiatric Medicine. His post-graduate education then took him to the mid-Atlantic states where he trained at the Metropolitan Hospital in Philadelphia, Pennsylvania and the Cherry Hill Medical Center in Cherry Hill, New Jersey.

When he joined the Permanente Medical Group, Dr. Richter established his dedication and enthusiasm for teaching resident doctors. He got much of his early interest for the practice of medicine from his uncle, a family practice doctor in New York. He enjoys teaching the residents of Kaiser Santa Clara to this day--in recognition of his efforts he has been awarded the Golden Apple Award. He is the first podiatrist to receive such a medical center-wide honor.

Dr. Richter is married and has three children. The Richters are involved in the Foster Care Program of San Mateo County. To the present, they have been a foster family to over a dozen children of various ages and diverse ethnic backgrounds. In his "spare" time Dr. Richter enjoys playing golf, cycling, hiking the trails of the local peninsula hills, and getting in some beach time, whether it be sunny or stormy.


Judith Manzi, DPMJudith Manzi, DPM

Attending Podiatric Surgeon

I received my undergraduate degree in biology from Virginia Commonwealth University. I received my DPM degree from Pennsylvania College of Podiatric Medicine in 1979 and completed my residency in podiatry at Kaiser Foundation Hospital in Santa Clara from 1979-1981.

My medical interests include limb salvage procedures. I joined The Permanente Medical Group in March of 1998.

My personal interests include skiing, soccer and snowboarding.


Craig Wargon, DPMCraig Wargon, DPM

Attending Podiatric Surgeon

I am a practicing physician in the division of podiatric surgery in the department of orthopedics at the Kaiser Permanente Santa Clara Medical Center in Northern California. I am also a member of the Northern California Technology Group of The Permanente Medical Group (TPMG).

I received my Bachelor of Arts degree in Psychobiology from the University California at Los Angeles (UCLA) in 1977. I went on to obtain my Doctor of Podiatric Medicine (DPM) degree from the California College of Podiatric Medicine in 1984 and completed my residency in Podiatric Surgery at Kaiser Santa Clara and Vallejo in 1986.

Upon completion of my residency I was selected to participate in a traveling fellowship where I spent four months at Hadassah Hospital in Jerusalem, Israel, sharing American foot surgical techniques with orthopedic surgeons from Israel.

I have authored several scientific articles published in medical journals and have written several chapters for medical textbooks. In the past I have lectured on the subjects of foot diseases and sports related foot and ankle injuries. I periodically serve as an exam commissioner for California State Board of Podiatric Medicine. Several times per year I travel to Washington DC to serve on an exam writing committee for the National Board of Podiatric Examiners. My administrative/technical work for Kaiser Permanente has focused on three major areas – interactive clinical consulting (eConsult), electronic documentation of medical records - eChart and the creation of personal physician web pages for KP physicians in Northern California. I use all of these systems in my own practice.

I am married with two children. I enjoy living in the Santa Cruz area, where in my spare time I enjoy running (now with my 10" Beagle), cycling, and spending time at home working in my woodshop and garden.