Leadership Team

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Naren Patel

Founder
Mr. Naren Patel started as a pharmacist who slowly acquired medical centers, employing doctors and other medical staff before his involvement with Medstar Laboratory. Mr. Patel’s limited participation is due to his humanitarian efforts with which he spends much time allowing Medstar to take part in such organizations as Care & Share and Rainbow Push. One of his greatest accomplishments is having helped build a school in India for the underserved, in association with Care & Share. He also provides free health fairs throughout the communities we serve.
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Neal Patel

Chief Executive Officer
B.S. Finance/Marketing
University of Wisconsin, White Water, 1992
M.B.A. Finance
Loyola Business School, Chicago, IL, 1996

Mr. Neal Patel worked in the finance and technology industries prior to his venture with Medstar Laboratory. He brought with him 11 years of exceptional knowledge, having worked with technology giant Motorola. With Mr. Patel’s direct involvement in the business development team, we have implemented new and innovative techniques to enhance our retainment and acquisition of clients.
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Raj Patel

Chief Operating Officer
B.S. Biology/Chemistry
Marquette University, 1996
Master’s in Occupational Therapy
Midwestern University, 2000

Mr. Raj Patel has worked in the medical field for the past 10 years. First having worked at Cook County Hospital as an Occupational Therapist, and then at Merck Pharmaceuticals as a Sales Representative before becoming Chief Operating Officer at Medstar Laboratory, Inc. Mr. Raj Patel’s medical background has allowed Medstar to keep up with the rapid growth experienced by the company allowing the internal operations to maintain a steady and efficient workflow.
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John Castilla

Executive Vice President
Healthcare arena, a graduate from Indiana University BA/Marketing and later graduating from Illinois Medical Institute of Chicago, as a RCVT in Cardiology. Upon graduation, became the youngest faculty member at IMI of Chicago as the Directory of the Cardiology Program. John's impressive Bio began with Orsini Healthcare as the V.P. of Business Development, In January of 2000, John along with his partner founded the 500+ physician IPA, Apogee Health Partners in Chicagoland and is still in operations leading Chicagoland as one of the largest IPAs to date.
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Charles Dressner

Director of Business Development
Charles Dressner, Medstar Laboratory's Director of Business Development since August 2004, leverages 42+ years of success in healthcare sales and marketing. With expertise spanning nursing homes, physician clinics, and hospitals, he ensures high-quality testing and personalized service across multiple states. Charles previously managed the phlebotomy team at Norsom Medical Laboratory for 20 years.
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Niyat Chaudhari

Chief Technical Officer
B.E in Computer Science
Gujarat Technical University, 2012

Niyat Chaudhari, Medstar Laboratory's CIO, spearheads technology integration, evaluating innovations to enhance strategy and operations. Collaborating with development and product teams, Niyat shapes Medstar's architectural roadmap. Integral to information security and compliance, Niyat, who started as a System Administrator in June 2018, ensures seamless collaboration with internal IT and cloud services
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Robert Doran

Certified Public Accountant
B.S. Accounting/Information Decision Sciences
University of Illinois, Chicago, 1990
Enrolled Agent for the IRS
Active Member of the Illinois CPA Society

Mr. Robert Doran has over 25 years of Accounting, Management, and Tax experience. Robert Doran has worked in the Finance and Medical Management field as either the Chief Financial Officer or Financial Controller role. Previously Robert has served in the Executive role at several financial institutions as well as audit experience in a regional public accounting firm. Robert Doran brings a large amount of financial and operational experience to Medstar Laboratory.
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Raj Patel

Chief Operating Officer
B.S. Biology/Chemistry
Marquette University, 1996
Master’s in Occupational Therapy Midwestern University, 2000

Mr. Raj Patel has worked in the medical field for the past 10 years. First having worked at Cook County Hospital as an Occupational Therapist, and then at Merck Pharmaceuticals as a Sales Representative before becoming Chief Operating Officer at Medstar Laboratory, Inc. Mr. Raj Patel’s medical background has allowed Medstar to keep up with the rapid growth experienced by the company allowing the internal operations to maintain a steady and efficient workflow.
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Niyat Chaudhari

Chief Technical Officer
B.E in Computer Science
Gujarat Technical University, 2012

Niyat Chaudhari, Medstar Laboratory's CIO, spearheads technology integration, evaluating innovations to enhance strategy and operations. Collaborating with development and product teams, Niyat shapes Medstar's architectural roadmap. Integral to information security and compliance, Niyat, who started as a System Administrator in June 2018, ensures seamless collaboration with internal IT and cloud services
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John Castilla

Executive Vice President
Healthcare arena, a graduate from Indiana University BA/Marketing and later graduating from Illinois Medical Institute of Chicago, as a RCVT in Cardiology. Upon graduation, became the youngest faculty member at IMI of Chicago as the Directory of Cardiology Program. John's impressive Bio began with Orsini Healthcare as the V.P. of Business Development, In January of 2000, John along with his partner founded the 500+ physician IPA, Apogee Health Partners in Chicagoland and is still in operations leading Chicagoland as one of the largest IPAs to date.
Medstar Lab
B.S. Accounting/Information Decision Sciences
University of Illinois, Chicago, 1990
Certified Public Accountant
Enrolled Agent for the IRS Active Member of the Illinois CPA Society

Mr. Robert Doran has over 25 years of Accounting, Management and Tax experience. Robert Doran has worked in the Finance and Medical Management field as either the Chief Financial Officer or Financial Controller role. Previously Robert has served in the Executive role at several financial institutions as well as audit experience in a regional public accounting firm. Robert Doran brings a large amount of financial and operational experience to Medstar Laboratory.
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Charles Dressner

Business Development
Medstar Laboratory's Director of Business Development since August 2004, leverages 42+ years of success in healthcare sales and marketing. With expertise spanning nursing homes, physician clinics, and hospitals, he ensures high-quality testing and personalized service across multiple states. Charles previously managed the phlebotomy team at Norsom Medical Laboratory for 20 years.
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Medical Director
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Quality Assistant
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Lab Operations
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Biology Engineer
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Scientific Advisory