Melissa Joy Chen, M.D., M.P.H. for UC Davis Health

Melissa Joy Chen, M.D., M.P.H.

Assistant Professor

To see if Melissa Joy Chen is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).



Family Planning


Obstetrics and Gynecology

Locations and Contact

Obstetrics and Gynecology Clinic

4860 Y St.
Sacramento, CA 95817

Get Directions

Additional Numbers

Clinic Fax


Physician Referrals

800-4-UCDAVIS (800-482-3284)

Philosophy of Care

Dr. Chen is dedicated to providing comprehensive reproductive health care for her patients. 

Clinical Interests

Dr. Chen's clinical interests include General gynecology with subspecialty in family planning.

Research/Academic Interests

Dr. Chen is focused on research to improve care for postpartum women. She is also interested in contraceptive development research.


Family Planning

Center/Program Affiliation

Women's Center for Health

Undergraduate School

B.A., UC Berkeley, Berkeley CA 2006

Medical School

M.D. Northwestern University Feinberg School of Medicine, Chicago IL 2010

Other School

M.P.H., Northwestern University Feinberg School of Medicine, Chicago IL 2010


Obstetrics and Gynecology, Northwestern University Medical Center, Chicago IL 2010-2011


Obstetrics and Gynecology, Northwestern University Medical Center, Chicago IL 2011-2014


Family Planning, UC Davis Medical Center, Sacramento CA 2014-2016

Paul Hom Clinic Preceptor Certificate of Honor, University of California, Davis, 2016

Sciarra Resident Award in Family Planning, Northwestern University, 2013

Outstanding Teaching Award, Northwestern University, 2012

Phi Rho Dennis Award, Northwestern University, 2010

Alpha Omega Alpha, Northwestern University, 2010

To view a detailed list of  Dr. Chen's publications, please click here.

Uhm S, Garcia-Ruiz N, Creinin MD, Blanton A, Chen MJ. Progestin-only pill use over 6 months postpartum. Contraception. 2020 Jun 13;. doi: 10.1016/j.contraception.2020.06.004.

Chen MJ, Creinin MD, Turok DK, Archer DF, Barnhart KT, Westhoff CL, Thomas MA, Jensen JT, Variano B, Sitruk-Ware R, Shanker A, Long J, Blithe DL. Dose-finding study of a 90-day contraceptive vaginal ring releasing estradiol and segesterone acetate. Contraception. 2020 May 19. doi: 10.1016/j.contraception.2020.05.004.

Creinin MD, Hou MY, Dalton L, Steward R, Chen MJ. In Reply. Obstet Gynecol. 2020 Apr;135(4):970-971. doi: 10.1097/AOG.0000000000003782. PubMed PMID: 32217954. 

Nagendra D, Koelper N, Loza-Avalos SE, Sonalkar S, Chen M, Atrio J, Schreiber CA, Harvie HS. Cost-effectiveness of Mifepristone Pretreatment for the Medical Management of Nonviable Early Pregnancy: Secondary Analysis of a Randomized Clinical Trial. JAMA Netw Open. 2020 Mar 2;3(3):e201594. doi: 10.1001/jamanetworkopen.2020.1594. PubMed PMID: 32215633.

Creinin MD, Schimmoeller NR, Matulich MC, Hou MY, Melo J, Chen MJ. Gabapentin for pain management after osmotic dilator insertion and prior to dilation and evacuation: A randomized controlled trial. Contraception. 2020 Mar;101(3):167-173. doi: 10.1016/j.contraception.2019.12.001. Epub 2020 Jan 10. PubMed PMID: 31927028.

Creinin MD, Hou MY, Dalton L, Steward R, Chen MJ. Mifepristone Antagonization With Progesterone to Prevent Medical Abortion: A Randomized Controlled Trial. Obstet Gynecol. 2020 Jan;135(1):158-165. doi: 10.1097/AOG.0000000000003620. PubMed PMID: 31809439.

Creinin MD, Chen MJ. Mifepristone antagonization requires real studies to evaluate safety and efficacy. Contraception. 2019 Dec;100(6):427-429. doi: 10.1016/j.contraception.2019.10.016. Epub 2019 Nov 14. PubMed PMID: 31734073.

Matulich MC, Chen MJ, Schimmoeller NR, Hsia JK, Uhm S, Wilson MD, Creinin MD. Referral Center Experience With Nonpalpable Contraceptive Implant Removals. Obstet Gynecol. 2019 Oct;134(4):801-806. doi: 10.1097/AOG.0000000000003457. PubMed PMID: 31503148; PubMed Central PMCID: PMC6768758.

Crawford KD, Chen MJ, Hou MY, Creinin MD. Persistent free-floating pelvic trophoblastic cysts following an interstitial ectopic pregnancy. BMJ Case Rep. 2019 Aug 21;12(8). doi: 10.1136/bcr-2019-229732. PubMed PMID: 31439571.