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Dr. Mark J. Sey, MD


  • (215) 342-7710

Dr. Sey's Overview

Dr. Mark J. Sey graduated from the Temple University School of Medicine in 1968. He works in Philadelphia, PA and specializes in Pediatrics.

Dr. Sey's Experience

Years in Practice: 47

Dr. Sey's Specialties


Dr. Sey's Education & Training

Medical School: Temple University School of Medicine; Graduated 1968

Dr. Sey's Rating

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Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
  • View All Ratings

Dr. Sey's Accepted Insurance

  • Aetna Choice POS II
  • Aetna Choice POS Open Access
  • Aetna HMO
  • Aetna Managed Choice POS Open Access
  • Aetna Select
  • Aetna Signature Administrators PPO
  • Amerihealth Regional Pref Ntwk EPO, POS+, PPO
  • Amerihealth Regional Pref Ntwk HMO, HMO+, POS
  • BCBS Blue Card PPO
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Dr. Sey's Office Information & Appointments

Office Locations

Castor Pediatrics

6608 Castor Ave
Philadelphia, PA 19149
(215) 342-7710


Office Hours and Information

Fax: (215) 722-8712

Practice Website: Not Available

Accepting New Patients: Yes

Medicare Accepted: No

Medicaid Accepted: Yes

Monday 9:00 AM - 5:00 PM
Tuesday 9:00 AM - 5:00 PM
Wednesday 9:00 AM - 5:00 PM
Thursday 9:00 AM - 5:00 PM
Friday 9:00 AM - 5:00 PM
Saturday Closed
Sunday Closed

Other Physicians in Dr. Sey's Practice

  • Not Available

Dr. Sey's Hospital Affiliations

  • Not Available

Office Locations

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