Rocky Mountain OB-GYN
Rose Medical Center, POB II
4500 E 9th Ave. #200
Denver, CO 80220
phone: (303) 399-0055
fax: (303) 399-7764

Rocky Mountain OB-GYN
Sky Ridge Medical Center
Conifer Building Ste 280
10099 RidgeGate Parkway
Lone Tree, CO 80124
phone: (303) 708-0055
fax: (303) 708-0044

Get Directions

Notice Of Privacy Practices

Doctors and Nurse Practitioners

Dr. Hal B. Levy
Dr. Jean E. Dwinnell
Dr. Daniel H. Jacobson
Dr. Yuko K. D'Ambrosia
Dr. Allison H. Zall
Dr. Robin M. Fennimore
Dr. Alison C. Agner
Dr. Alison C. Patterson
Dr. Corinne Dix
Marsha Merry, WHNP-BC


Dr. Levy

Hal B. Levy, M.D., F.A.C.O.G.

Dr. Levy is a board-certified obstetrician/gynecologist and a fellow of the American College of Obstetricians and Gynecologists. He has been in practice for over 20 years. He completed his residency at the University of Colorado Health Sciences Center, where he also went to medical school. He completed his undergraduate degree at the University of Colorado, Boulder with a degree in biology. He is a native of Denver. He has been recognized by the medical community in 5280's Top Docs for many years.

You'd never guess it based on how lean he is, but Dr. Levy could definitely be described as a "foodie".




Dr. Dwinnell

Jean E. Dwinnell, M.D., F.A.C.O.G.

Dr. Dwinnell is a board-certified obstetrician/gynecologist and a fellow of the American College of Obstetricians and Gynecologists. She completed her residency at the University of Colorado Health Sciences Center, and attended medical school at Dartmouth Medical School. She attended Colorado College for undergraduate with a degree in biology.

Dr. Dwinnell is married with three children. She was a nationally ranked competitive figure skater, and has performed in many audition and acapella choirs. She is currently a full time chauffeur to her children (when she's not at work) and occasionally dabbles in golf.




Dr. Jacobson

Daniel H. Jacobson, M.D., F.A.C.O.G.

Dr. Jacobson is a board-certified obstetrician/gynecologist and a fellow of the American College of Obstetricians and Gynecologists. He completed his residency at Stanford University Health Services, and attended medical school at Stanford University. He completed his undergraduate degree at Brown University with a degree in biology, sociology and anthropology. He is originally from Dayton, Ohio.

Dr. Jacobson balances his time between work, family and his 5 chickens: Ida, Lulu, Jenny, Goldie and Lina.




Dr.  D'Ambrosia

Yuko K. D'Ambrosia, M.D., F.A.C.O.G.

Dr. D'Ambrosia is a board-certified obstetrician/gynecologist and a fellow of the American College of Obstetricians and Gynecologists. She completed her residency at the Louisiana State University Medical Center, and attended medical school at Louisiana State University School of Medicine. She attended Tufts University for undergraduate with a degree in child study, and is a native of New Orleans.

Dr. D'ambrosia is frequently listed as a "top doc" in 5280 Magazine, has 2 daughters and a golden retriever. She'd love to travel more but her husband hates to fly!




Dr. Zall

Allison H. Zall, M.D., F.A.C.O.G.

Dr. Zall is a board-certified obstetrician/gynecologist. She has been a member of the American College of Obstetricians and Gynecologists since 2008. She completed her residency at the University of Missouri-Kansas City and attended medical school at The Ohio State University College of Medicine. She received her undergraduate degree in Zoology from University of Wisconsin-Madison.

Dr. Zall grew up in the suburbs of Cleveland, OH. After completing her OB/GYN residency she was in private practice at Northwestern Memorial Hospital in Chicago, IL for two years. She then joined Rocky Mountain OB-GYN in May 2007. Dr. Zall is married and loves spending time with her two English bulldogs. In addition, she enjoys reading, traveling, and trying new restaurants. She and her husband are proud to call themselves "foodies."




Dr. Fennimore

Robin M. Fennimore, M.D., F.A.C.O.G.

Dr. Fennimore is a board-certified ob-gyn. She completed her residency from the University of Colorado School of Medicine and graduated medical school at George Washington University School of Medicine in Washington D.C.. She completed her undergraduate degree in Psychology and Math at Colby College in Maine. She then attended Goucher College's post baccalaureate pre medical program. She is from Baltimore, MD.

Dr. Fennimore played collegiate lacrosse. She and her husband welcomed twin boys, Campbell and Gray, in November 2012. They are busy at home with the boys, their rescue dog, Lucy and rescue cat, Breck.




Dr. Agner

Alison C. Agner, M.D., F.A.C.O.G

Dr. Agner is a board certified Ob/Gyn. She completed her residency at the University of Iowa Hospitals and clinics and attended medical school the University of Cincinnati. She received her undergraduate degree in Biology from Ohio University. She is originally from Columbus, OH.

Outside of work, Dr. Agner enjoys spending time with her husband and friends. She loves the outdoor activities, dining options, and museums Denver has to offer. She also enjoys traveling, reading, and knitting.




Dr. Patterson

Alison Patterson, M.D.

Dr. Patterson is a board eligible obstetrician and gynecologist who completed her residency at the University of Colorado School of Medicine in 2013, where she also graduated from medical school. She attended Colorado College for her undergraduate degree and has a B.A. in Anthropology. She is originally from the Chicago suburb of Wilmette, IL.

Outside of practice, her two children keep her very busy and she enjoys spending time with her husband, kids, and dog in the Colorado outdoors. Her favorite activity is cooking.




Dr. Dix

Corinne Dix, M.D., F.A.C.O.G.

Dr. Dix is a board-certified obstetrician/gynecologist and a fellow of the American College of Obstetricians and Gynecologists. She has been in practice for over 20 years. She completed her residency at the University of Colorado Health Sciences Center, where she also went to medical school. She attended Montana State University for undergraduate with a degree in pre-med, and is a native of Montana.




Marsha Merry

Marsha Merry, WHNP-BC

Marsha is a board certified Womens' Health Nurse Practitioner. She completed her nursing degree at CSU Pueblo and NP certification through Planned Parenthood of the Rocky Mountains. She has over 30 years of experience with gynecologic care, menopausal management, urinary incontinence and chronic pelvic pain.

Marsha is married and has a grown daughter. She enjoys cooking, gardening and reading in her spare time. She spends time skiing in the winter and recently took up golf, describing her stroke as "laughable".