Meet Dr. Jacqueline Marcin
Over 30 years of compassionate dentistry in East York, PA. Her patients know her simply as Dr. Jackie.

A Lifetime Devoted to Dentistry
Market Street Dental, P.C. is a female-owned dental practice in the heart of East York, PA, and Dr. Jacqueline A. Marcin, DMD has been at its helm for over three decades. What began as a solo practice founded in 1994 has grown into a trusted cornerstone of the York County community.
Born and raised in Tamaqua, PA, Dr. Marcin discovered her calling early. She graduated as valedictorian from Marian Catholic High School in 1978, then pursued dental hygiene at the University of Pennsylvania before earning her undergraduate degree Summa Cum Laude from Thomas Jefferson University.
Her Doctorate of Dental Medicine from Temple University, also earned Summa Cum Laude, led her to serve as a Captain in the United States Air Force. She completed a General Practice Residency at Langley Air Force Base in Hampton, Virginia, an experience that deepened both her clinical skills and her commitment to serving others.
Today, Dr. Jackie is on staff at WellSpan York Hospital and serves on the Occupational Advisory Committee for the York County School of Technology, investing in the next generation of dental professionals.
Education & Military Service
From small-town Pennsylvania to the halls of Ivy League universities and the ranks of the U.S. Air Force, Dr. Marcin's journey reflects a relentless pursuit of excellence.
- 1978
Marian Catholic High School
Graduated as Valedictorian, Tamaqua, PA
- 1980
University of Pennsylvania
Certificate in Dental Hygiene
- 1982
Thomas Jefferson University
B.S. in Dental Hygiene, Summa Cum Laude
- 1987
Temple University Dental School
Doctorate of Dental Medicine, Summa Cum Laude
- 1988
U.S. Air Force, Langley AFB
General Practice Residency as Captain, Hampton, VA
- 1994
Market Street Dental, P.C.
Founded her own practice in East York, PA

Captain Jacqueline Marcin, U.S. Air Force, 1988
Awards & Recognition
Recognized by her peers as one of the best in South Central Pennsylvania, Dr. Marcin's dedication has earned her distinction year after year.
Top Dentist in South Central PA
Selected as a Top Dentist for multiple consecutive years through a peer-nominated process, reflecting the deep respect Dr. Marcin has earned among fellow dental professionals.
Top Doctor 2018, 2019, 2020
Named a Top Doctor three years in a row, honoring her exceptional patient care and clinical expertise.
WellSpan York Hospital Staff
Proud member of the medical staff at WellSpan York Hospital, providing continuity of care for patients who need advanced treatment.

Professional Memberships
- American Dental Association
- Pennsylvania Dental Society
- York County Dental Society
- AAUW (American Association of University Women)
- Catholic Women's Club of York
Outside the Office
When she's not helping patients achieve their best smiles, Dr. Jackie stays active with a wide range of outdoor pursuits and personal passions.

Whether she's strumming guitar on a quiet evening, hiking a new trail, tending her garden, or spending time with her beloved animals, Dr. Jackie brings the same warmth and enthusiasm to everything she does.
Ready to Meet Dr. Jackie?
New patients and families are always welcome at Market Street Dental. Schedule your appointment today and experience personalized, compassionate care from a dentist who truly loves what she does.