Mitchell D. Creinin, M.D. for UC Davis Health

Mitchell D. Creinin, M.D.


Director of Complex Family Planning Fellowship

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



Family Planning


Locations and Contact

Lawrence J. Ellison Ambulatory Care Center

Obstetrics and Gynecology Clinic
4860 Y St.
Sacramento, CA 95817

Get Directions

Phone: 916-734-6900

Additional Numbers

Physician Referrals

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

Philosophy of Care

The patient and the physician are partners in care. A patient’s time and efforts to maintain and improve her health are to be valued as much as the physician’s time in providing her with care.

Clinical Interests

Dr. Creinin is a board certified specialist in Obstetrics and Gynecology and a board certified subspecialist in Complex Family Planning. He has committed his career to teaching, research and clinical care aimed to ensure women and their families have full access to all reproductive health care.

Research/Academic Interests

Dr. Creinin's research focuses on new contraceptive technologies, management of miscarriage, and abortion techniques, all aimed to improve the quality of care available to patients here and in lower and middle-income countries.


Family Planning

Undergraduate School

B.S., Northwestern University, Evanston IL 1986

Medical School

M.D., Northwestern University, Chicago IL 1988


Obstetrics and Gynecology, UC San Francisco, San Francisco CA 1988-1989


Obstetrics and Gynecology, UC San Francisco, San Francisco CA 1989-1992


Clinical Research (Departments of Medicine and Epidemiology and Biostatistics), UC San Francisco, San Francisco CA 1992-1993


Family Planning (Department of Obstetrics and Gynecology and Reproductive Sciences), UC San Francisco, San Francisco CA 1992-1993

Richard H. Oi, MD OB/GYN Excellence in Teaching (UC Davis OB/GYN Department Resident Teaching Award), 2016

American College of Obstetricians and Gynecologists District IX Mentor of the Year, 2016

UC Davis Medical Center Quality and Safety Committee Physician Star of Excellence, 2015

Contraception Outstanding Article Award (one of the three most outstanding manuscripts in Contraception), 2010, 2015

ACOG/Roy M. Pitkin Award (one of the four most outstanding manuscripts in Obstetrics & Gynecology), 2005, 2007, 2011

Glasier A, Edelman A, Creinin MD, Brache V, Westhoff CL, Han L, Chen MJ, Hemon A. The effect of deliberate non-adherence to a norgestrel progestin-only pill: A randomized, crossover study. Contraception. 2023 Jan;117:1-6. doi:10.1016/j.contraception.2022.09.002. Epub 2022 Sep 18. PMID:36130667.

Creinin MD, Schreiber CA, Turok DK, Cwiak C, Chen BA, Olariu AI. Levonorgestrel 52 mg intrauterine system efficacy and safety through 8 years of use. Am J Obstet Gynecol. 2022 Dec;227(6):871.e1-871.e7. doi:10.1016/j.ajog.2022.05.022. Epub 2022 May 13. PMID:35569516.

Baker CC, Creinin MD. Long-Acting Reversible Contraception. Obstet Gynecol. 2022 Nov 1;140(5):883-897. doi:10.1097/AOG.0000000000004967. Epub 2022 Oct 5. PMID:36201766.

Matulich MC, Hou MY, Chen MJ, Uhm S, Creinin MD. Implementation of telemedicine preoperative visits for abortion procedures through 18 weeks gestation at a Northern California hospital-based center. Contraception. 2022 Oct;114:74-78. doi:10.1016/j.contraception.2022.06.001. Epub 2022 Jun 22. PMID:35750146.

Creinin MD, Vieira CS, Westhoff CL, Mansour DJA. Recommendations for standardization of bleeding data analyses in contraceptive studies. Contraception. 2022 Aug;112:14-22. doi:10.1016/j.contraception.2022.05.011. Epub 2022 May 29. PMID:35640733.

Hubacher D, Schreiber CA, Turok DK, Jensen JT, Creinin MD, Nanda K, White KO, Dayananda I, Teal SB, Chen PL, Chen BA, Goldberg AB, Kerns JL, Dart C, Nelson AL, Thomas MA, Archer DF, Brown JE, Castaño PM, Burke AE, Kaneshiro B, Blithe DL. Continuation rates of two different-sized copper intrauterine devices among nulliparous women: Interim 12-month results of a single-blind, randomised, multicentre trial. EClinicalMedicine. 2022 Jul 16;51:101554. doi:10.1016/j.eclinm.2022.101554. PMID:35865736.

Uhm S, Mastey N, Baker CC, Chen MJ, Matulich MC, Hou MY, Melo J, Wilson SF, Creinin MD. Mifepristone prior to osmotic dilators for dilation and evacuation cervical preparation: A randomized, double-blind, placebo-controlled pilot study. Contraception. 2022 Mar;107:23-28. doi:10.1016/j.contraception.2021.08.013. Epub 2021 Aug 28. PMID:34464634.

Creinin M, Kohn JE, Tang JH, Serna TB; Society of Family Planning Clinical Affairs Committee. Society of Family Planning Committee statement on IUD nomenclature. Contraception. 2022 Feb;106:1-2. doi:10.1016/j.contraception.2021.10.017. Epub 2021 Nov 5. PMID:34748746.

Gemzell-Danielsson K, Apter D, Zatik J, Weyers S, Piltonen T, Suturina L, Apolikhina I, Jost M, Creinin MD, Foidart JM. Estetrol-Drospirenone combination oral contraceptive: a clinical study of contraceptive efficacy, bleeding pattern and safety in Europe and Russia. BJOG. 2022 Jan;129(1):63-71. doi:10.1111/1471-0528.16840. Epub 2021 Aug 9. PMID:34245666.

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