About Us

Dr. James L. Friedlander

PRIMARY OFFICE

Westgate Professional Center
2808 South 80th Avenue, Suite 210
Omaha, NE 68124
Phone: (402) 391-1800
Fax: (402) 391-1563​



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Dr. Kirk A. Kinberg

PRIMARY OFFICE

Gateway Professional Building

600 N. Cotner Blvd., Suite 208

Lincoln, NE 68505

Phone: (402) 464-5969

Fax: (402) 464-3657

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kirk kinberg
Dr. Petra Razdan

PRIMARY OFFICE

Gateway Professional Building

600 N. Cotner Blvd., Suite 208

Lincoln, NE 68505

Phone: (402) 464-5969

Fax: (402) 464-3657



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Petra Razdan
Dr. Robert Szalewski

PRIMARY OFFICE

Gateway Professional Building

600 N. Cotner Blvd., Suite 208

Lincoln, NE 68505

Phone: (402) 464-5969

Fax: (402) 464-3657



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Dr. James M. Tracy

PRIMARY OFFICE

Westgate Professional Center

2808 South 80th Avenue, Suite 210

Omaha, NE 68124

Phone: (402) 391-1800

Fax: (402) 391-1563

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Lindsay Groff MPAS, PA-C

PRIMARY OFFICE

Gateway Professional Building

600 N. Cotner Blvd., Suite 208

Lincoln, NE 68505

Phone: (402) 464-5969

Fax: (402) 464-3657



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lindsay groff allergy asthma
Angela Moser, MPAS, PA-C

PRIMARY OFFICE

Gateway Professional Building

600 N. Cotner Blvd., Suite 208

Lincoln, NE 68505

Phone: (402) 464-5969

Fax: (402) 464-3657



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Angela Moser
Dr. Brett V. Kettelhut

PRIMARY OFFICE

Westgate Professional Center
2808 South 80th Avenue, Suite 210
Omaha, NE 68124
Phone: (402) 391-1800
Fax: (402) 391-1563​



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Dr. Roger H. Kobayashi,
emeritus

Dr. Kobayashi retired from clinical practice effective December 31st, 2021.



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Dr. Suzan Pae

PRIMARY OFFICE

Gateway Professional Building

600 N. Cotner Blvd., Suite 208

Lincoln, NE 68505

Phone: (402) 464-5969

Fax: (402) 464-3657

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Dr. Michael J. Sullivan, III

PRIMARY OFFICE

Gateway Professional Building

600 N. Cotner Blvd., Suite 208

Lincoln, NE 68505

Phone: (402) 464-5969

Fax: (402) 464-3657



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Michael J. Sullivan
Dr. Hannah Neuhaus

PRIMARY OFFICE

Gateway Professional Building

600 N. Cotner Blvd., Suite 208

Lincoln, NE 68505

Phone: (402) 464-5969

Fax: (402) 464-3657

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Ashley Johnson, PA-C

PRIMARY OFFICE

Gateway Professional Building

600 N. Cotner Blvd., Suite 208

Lincoln, NE 68505

Phone: (402) 464-5969

Fax: (402) 464-3657



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Dara Schroeder, PA-C

PRIMARY OFFICE

Gateway Professional Building

600 N. Cotner Blvd., Suite 208

Lincoln, NE 68505

Phone: (402) 464-5969

Fax: (402) 464-3657



Read more about Dara Schroeder

Dara Schroeder
Amy Jo Wallingford, APRN

DNP, FNP-C, AE-C

PRIMARY OFFICE

Westgate Professional Centre

2808 South 80th Avenue, Suite 210

Omaha, NE 68124

Phone: (402) 391-1800

Fax: (402) 391-1563



Read more about Amy Jo Wallingford

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