Celebrities Who Were Real Doctors Before Becoming Famous

Some celebrities only play doctors on screen. Others actually trained, worked, or qualified in medicine, nursing, psychology, medical research, or health care before becoming famous in entertainment or public life.

That difference matters.

This article focuses on public figures with documented medical, nursing, psychology, scientific, or health-care credentials. Some practiced for years. Some earned medical degrees but chose another path. Some worked in nursing or research before fame. Others became famous partly because they brought medical knowledge to radio, television, books, or journalism.

It does not include actors who simply wore a white coat for a role.

Here are celebrities who are, or were, real medical professionals.

Ken Jeong

Ken Jeong is one of the best-known examples of a real doctor who became a comedy star.

Before The Hangover, Community, Crazy Rich Asians, and The Masked Singer, Jeong earned his medical degree from the University of North Carolina and completed a residency in internal medicine. He later practiced as an internal medicine physician in Los Angeles while also performing stand-up comedy.

Sanjay Gupta

Sanjay Gupta is both a practicing neurosurgeon and one of America’s most recognizable medical journalists.

Gupta earned his medical degree from the University of Michigan and became a neurosurgeon. He has served as associate chief of neurosurgery at Grady Memorial Hospital in Atlanta, an associate professor at Emory University School of Medicine, and CNN’s chief medical correspondent.

Dr. Mehmet Oz

Mehmet Oz became famous through television, but he first built his career in medicine.

Oz trained as a cardiothoracic surgeon and worked in academic medicine. He earned medical and business degrees from the University of Pennsylvania and later became a professor of surgery at Columbia University. His public profile grew through appearances on The Oprah Winfrey Show and then The Dr. Oz Show.

Dr. Drew Pinsky

Dr. Drew Pinsky became famous by bringing medical and addiction-related advice to radio and television.

He is a board-certified physician in internal medicine and addiction medicine. His official biography says he has treated tens of thousands of patients over a long medical career and continues to run a private practice in Pasadena, California.

Mayim Bialik

Mayim Bialik is not a medical doctor, but she is a trained neuroscientist.

The Blossom and The Big Bang Theory actress earned a Ph.D. in neuroscience from UCLA before returning to television in a major way. Her real academic background made her casting as neuroscientist Amy Farrah Fowler on The Big Bang Theory feel especially fitting.

Lisa Kudrow

Lisa Kudrow worked in medical research before becoming Phoebe Buffay on Friends.

Kudrow graduated from Vassar College with a biology degree and worked with her father, Dr. Lee Kudrow, who was a headache specialist. She returned to Los Angeles after college and worked with him before her acting career took off.

Bonnie Hunt

Bonnie Hunt worked as an oncology nurse before becoming an actress, writer, director, and talk-show host.

Hunt spent five years working as an oncology nurse at Northwestern Memorial Hospital before pursuing comedy full-time.

Naomi Judd

Naomi Judd was a registered nurse before becoming a country music star.

Before The Judds became one of country music’s most successful mother-daughter duos, Judd worked in nursing. She is a registered nurse and her hepatitis C diagnosis was tied to a workplace injury during her nursing career.

George Miller

George Miller created Mad Max, but before filmmaking, he trained and worked as a doctor.

The Australian director studied medicine at the University of New South Wales and worked as a physician before moving fully into film. Miller was briefly a doctor and his medical background influenced the extreme physical world of Mad Max.

Graham Chapman

Graham Chapman was a trained doctor before becoming a comedy legend with Monty Python.

Chapman studied medicine at Cambridge and St. Bartholomew’s Hospital Medical College. He graduated from St. Bartholomew in 1966 but chose entertainment instead of practicing medicine long-term.

Michael Crichton

Michael Crichton became famous as the author of Jurassic Park, The Andromeda Strain, and the creator of ER, but he also earned a medical degree.

Crichton received his M.D. from Harvard Medical School in 1969, according to his official biography.

Bassem Youssef

Bassem Youssef was a cardiothoracic surgeon before becoming one of the Arab world’s most famous satirists.

Youssef graduated from Cairo University’s Faculty of Medicine, specialized in cardiothoracic surgery, and practiced as a surgeon in Egypt for years before moving into comedy and political satire.

Harry Hill

Harry Hill is a British comedian who worked as a doctor before becoming a TV favorite.

Hill studied at St George’s Hospital Medical School and worked in medicine before moving into comedy. He received an MBBS degree and worked as a doctor before pursuing stand-up.

Paul Sinha

Paul Sinha is known to many viewers as “The Sinnerman” on The Chase, but he also trained and worked as a doctor.

Sinha is a qualified physician who became better known as a professional quizzer and stand-up comedian.

Dr. Ruth Westheimer

Dr. Ruth Westheimer became one of the most famous sex therapists in American media.

Britannica describes her as a German American sex therapist who became a trusted authority on sex and relationships through radio, television, books, and public appearances.

Dr. Phil McGraw

Phil McGraw became one of daytime television’s best-known advice figures after first training in clinical psychology.

Britannica notes that McGraw received a master’s degree and doctorate in clinical psychology from the University of North Texas and began a career as a psychologist before becoming a TV personality.

Che Guevara

Ernesto “Che” Guevara is remembered mainly as a revolutionary figure, but he trained as a doctor before entering political history.

Britannica notes that he completed medical studies in 1953 before traveling widely through Latin America and later becoming involved in revolutionary politics.

Jonathan LaPook

Jonathan LaPook is a physician who became a well-known medical journalist.

He is widely recognized as CBS News’ chief medical correspondent and has reported on public health, aging, cancer, COVID-19, and many other medical topics. His public role is built around explaining complex health stories for a general audience.