Our Officers

Please click on the ‘+’ to see the bios.


Jacob Rosenberg, M.D.

Title: M.D.

Undergraduate University Name: Vanderbilt University

Undergraduate Degree: BS Mathematics

Graduate School Name: N/A

Graduate School Degree:

Medical School Name: University of Maryland School of medicine

Specialty: Anesthesiology

Subspecialty: Pain Management

Number of Years Member of CSIMS: 19

Title with CSIMS: President

Practice Location City: Walnut Creek

Email Address:   jacobipm1@gmail.com

Telephone number: O: 925-482-8911



Steven McCormick, Ph.D.

Title: Ph. D.

Undergraduate University Name: Oregon State University

Undergraduate Degree: B.S. Psychology

Graduate School Name: California School of Professional Psychology-Alameda

Graduate School Degree: Ph. D

Medical School Name: NA

Specialty: Clinical Psychology

Subspecialty: Clinical Neuropsychology

Number of Years Member of CSIMS: 11

Title with CSIMS:  Board Member – Secretary Treasure

Practice Location City: Sacramento

Email Address:   stevenmccormickphd@gmail.com

Telephone number: O: 916-640-8161


Ernest Cheng, D.O.

Title: D.O.

Undergraduate University Name: University of Illinois, Urbana-Champaign

Undergraduate Degree: B.S., Biology

Graduate School Name: N/A

Graduate School Degree: N/A

Medical School Name: Midwestern University Arizona College of Osteopathic Medicine

Specialty: Physical Medicine and Rehabilitation

Subspecialty: Pain Management, Sports Medicine

Number of Years Member of CSIMS: 7

Title with CSIMS:  Immediate Past President

Practice Location City: Berkeley, San Ramon

Email Address: ernestycheng@gmail.com

Telephone number: O: 510-549-2038


Sana Khan, M.D., Ph.D.

Title: M.D., Ph.D.

Undergraduate University Name:  U.C., Irvine

Undergraduate Degree: B.S., Biology

Graduate School Name: UCLA

Graduate School Degree: Ph.D., Anatomy and Neurobiology

Medical School Name: UCLA

Specialty: Radiology


Number of Years Member of CSIMS: 1

Title with CSIMS:  Board of Directors + Chair of Education Committee

Practice Location City: Orange

Email Address:  sana.khan@expertmri.com

Telephone number: O:  714-227-6354



Ron Y. Goldstein, M.D.

Name: Ron Y. Goldstein

Title: M.D.

Undergraduate University Name: U of Wisconsin, Madison

Undergraduate Degree: B.S. Biochemistry

Graduate School Name: Chapman University

Graduate School Degree: Non-Profit Leadership

Medical School Name: Rush Presbyterian St Luke’s Medical center, Chicago

Specialty: Plastic Surgery

Subspecialty: Orthopedic Hand Surgery, Aesthetic Surgery

Number of Years Member of CSIMS: 18

Title with CSIMS:  Executive Director, Past President

Practice Location City: Bakersfield, Fresno, Lancaster & Santa Ana

Email Address: rong@dr4hands.com

Telephone number: O: 714-564-8210