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        6. Dr. Johanna Helena Klaassen, MD

        Dr. Johanna Helena Klaassen, MD
        Write a Review610-437-9166

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        1251 S Cedar Crest Blvd Ste 208C, Allentown, PA 18103

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        Fax: 610-437-3370

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        1251 S Cedar Crest Blvd Ste 208C, Allentown, PA 18103
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