Christmas & New Years Holiday Hours:

All Foundation Medical Partners offices: Christmas Eve: All locations closing at 3pm, Christmas Day: CLOSED, New Year’s Eve: All locations open regular hours, New Year’s Day: CLOSED

Immediate Care: Christmas Eve: All Locations OPEN 9am-4pm, Virtual CLOSED, Christmas Day: Nashua West and Hudson Locations OPEN 9am-2pm, New Years Eve: All Locations OPEN 9am-6pm, Virtual CLOSED, New Years Day: Nashua West, Hudson and Virtual Appts OPEN 9am-6pm

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Nikolaos Zacharias, MD, RPVI, FSVS, FACSAffiliate

Vascular Surgery

Foundation Vascular Surgery

Accepting New Patients

(603) 577-3070

Education

Medical School
University of Athens Medical School, Athens, Greece
Residency
The Johns Hopkins Hospital: General Surgery Resident
Albany Medical Center: General Surgery Resident
Fellowship
Massachusetts General Hospital/Harvard Medical School: Research Fellow in Surgery
Albany Medical Center: Vascular and Endovascular Surgery Fellow
Board Certifications
Vascular Surgery

Clinical Interests

  • Thoracic aortic aneurysms
  • Abdominal aortic aneurysms
  • Carotid artery disease
  • Mesenteric ischemia
  • Renal artery stenosis
  • Peripheral artery disease
  • Venous disease
  • Hemodialysis access
  • Thoracic outlet syndrome

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Cherif Abdelmalek, MD

Susan Abel, MD

Asma Ahmed, MD

John Alexander, MD

Douglas Allen, DO

Allisa Alpert, DO

Tahani A. Alturkistani, MD

Sara Amory, APRN

Brooke Andrews, PA-C

Nida Arif, MD

Amy Armstrong-Javors, MD

Puneeta Arya, MBBS

Sadaf Ashraf, MD

Vladimir Avramov, MD

Chadani Ayer, MD

Saeedeh Azary, MD, MPH

Brett Baker, MD, MBA, MS

Brett Baker, MD, MBA, MS

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Elana Bannerman, MD

James Barger, MD

Jonathan Bean, DMD

Christopher Beaudet, APRN

Robert Beaudry, APRN

Kathryn Becker, APRN

Natalija Beharic, PA-C

Valerie A. Bell, MD, FACOG

Janet Berger, APRN

Marissa Berry, PA-C

Ashley Bertolami, ACHPN

Bernard Bettencourt, DO

Elizabeth Birch, APRN

Monelle Bisson, MD, FACOG

John Bissonnette, MD

Timothy Blake, MD

Paul Boffetti, MD, FACC

Allison Borland, APRN

Daniel P. Bouvier, MD

Ivan Boyadzhiev, MD

Daniel Braasch, DMD

Lisa Bradshaw, MSN, FNP, ACHPN

Christopher Brauer, MD

Allison Brigham, PA-C

Justine Bristol, MS, OTR/L

Renee Broze, APRN

Nicole Bruin, PA-C

John Bryan, MD

J. Terrance Buchanan, MD

Erin Cacciola, PA-C

Candice Camacho, MD

Charles T. Cappetta, MD

Joseph W. Cardeiro, MD

Wendi A. Cardeiro, MD, FACC

Christian Caruso, MD

Jacinto P. Casio, MD

Cesar Castro, MD

Patricia Castro, FNP- BC

Robert Catania, MD, FACS, FASMBS

Susan Cater, APRN, PMHNP-BC

Kathrine Cecil, PA-C

Deena Chaffee, PT

Walter Champion, III, MD

Chun-Huai Chao, MD, MS

William Charmak, PhD, ABPP

George P. Chatson, MD

James Chen, MD

Vicki Chen, MD

Catherine Choi, MD

John A. Chretien, MD

Jennifer Chrisemer, APRN

Ellie Chuang, MD

Philip Clater, PA-C

Elizabeth Cleasby, PT

Dagan Cloutier, PA-C

Amanda Coffey, PA-C

Amanda Coleman, APRN

Eric Cooney, MD

Eric Cooney, MD

Michelle Cooney, APRN

David D. Court, DPM

Yvette Courtemanche, OTR/L, CBP

Tara Crawford, APRN

Katharine Cronk, MD, PhD

Melany Cruz, CGC

Roma Cruz-King, MD

Lee Curtis, PA-C

Alexander CVitan, MD

Holly Cyr, MSPT, CLT

John J. Dagianis, MD

Mary-Ellen Dalzell, PA-C

Anindita Das, MD, FAAP

Sandhya Dasari, MD

Rachel Davis, MSN, APRN, FNP-BC

Robert Davis, MD

Vitali H. DeGuzman, MD

David Deifik, MD

Taylor Delande, PT, DPT, CLT

Amanda Delaney, DPM

Sonalee Desai-Bartoli, MD, MPH

Megan DeSantis, PA-C

Cristi DeSocio, MD

Kevin Desrosiers, MD

Octavia Devon, MD

Jennifer DeVries, APRN

Anil Dewan, MD

Archie Dickinson, MD

Jamie DiClemente, MSN, AGNP-BC

Leslie M. Dionne, MD

Julie Doyle, LCMHC

Anahita Dua, MD, MS, MBA, FACS

Lei Duan, MD

Patrick Duff, MD

Danielle Dunetz, DO, FAAP

Jennifer Duprey, DO, MPH

Christopher Duros, MD

Tammy-Sue D'Urso, MSW, LICSW

Melissa Eames, PA-C

Amanda Egli, APRN

Richard Ehrlichman, MD

Mohamed El-Amin Ahmed , MD

Kim Eldredge, APRN

Allison Ellia, PA-C

Margaret M. Emmet, MS, LCGC

Yuka Endo, MD, PhD, FACC

Lynne England, APRN

Kinley Erickson, PA-C

Drew Etskovitz, PA-C

Scott Evans, PA-C

Arya Farahmand, MD

Katherine Farrell, DNP, APRN

Bryn Farrington, FNP-BC

Heather Feltmate, MD

Suzanne Fetter, MD

Stacy Filion, MS, PA-C

Sarah Fischer, APRN

Sean W. Fitzpatrick, MD

Naomi Flaherty, APRN

John V. Flannery, Jr., MD

Rhonda Fletcher, PT

Bjorn Flora, MD

Nicole Fluet, DPT, MS

William Flynn, Jr, PhD

Celine M. Fortin, MS, APRN, BC

Tracey Fortner, FNP-BC

Amber Francoeur, APRN

E. William Frank, MD

Kristie Frank, PA-C

Melissa Frechette, APRN, PMHNP-BC

Gary B. Friedman, MD

Sean Frost, MD

Mitchell Frumkin, MD

Jennifer Funaioli-Sheehan, DO

Henning Gaissert, MD

Deborah Ganem, MD

Lydia Garcia, MD, MIGS, FACOG

Debra Garlin, DO

Ryan Garso, PA-C

Tiffany Gaudet, APRN, PMHNP-BC

Stephanie Georgaklis, PA-C, MPAS

Emily Giesen, DO

Lauren Gifford, MSN, FNP-BC

Jane Gill, CRNA

Robert Goings, PA-C

Jacqueline Gordon, PA-C

Kalyani Govindaraju, MD

Pamela Goyette, OTR/L

Alexander B. Granok, MD, FACP

Kristin Guidice, MSN, APRN, FNP-C

Ryan Guilfoyle, PA-C

Shweta Gupta, MD

Daon Ha, MD

Shaji Habeebulla, MD, FACP

Hisham Hafez, MD

David Halter, DO, FACS

Gabriel Hamawi, DPM

Katherine Hamilton, PA-C

Lisa Hammond, MD

Ashima Handa, MD

Jacqueline Hardwick, MSPT

Amitha Harish, MD

Ashley Harris, MSN, APRN, PMHNP-BC

Stephen Harris, MD

Amy Harrison, MPT

Sharon Hart Silveira, MD

Tipton Hartman-Heaney, DO

Marietta Hartt, CRNA

John Hasychak III, DO

Linda Hatch, MD

Michaela Hatem, PA-C

Steven J. Hattamer, MD

Amy Hayes, MS, CCC - SLP

Robert J. Heaps, MD

Shannon Heavey, APRN

Susan Hills, PA-C

Sarah Himmelstein, MD

David Hoang, DO

Danielle Hodorowski, DNP, FNP-C

Kathleen A. Hogan, MD

Jessica L. Hootnick, MD

Michael Horgan, MD

Howard Hsieh, MD

Jingjing Hu, MD, MSc

Nancy Hughes, MPT, CLT

Cheryl Hutchinson, APRN

Harold R. Hutson, MD

George Hwang, MD

Carrie Illg, MSN, APRN, FNP-BC

Simona Ioja, MD

Waleed Ismail, DO

Alexander Itenberg, MD

Zainub Jafri, MD

Sushama Jampani, MD

John J. Janeiro, MD, FACS

Ewa Jankowska, MD

Sung Jee, MD

Amjed John, PA-C

Laura Johnson, APRN

Brenda Jones, PT, M.Ed, CYI

Derek Jurus, DO

Michael Kaczanowski, MD, AGAF

Suneetha Kammila, MD

Vishnu Kannabiran, MD

Michael Kaploe, DO

Elizabeth Karagosian, MD

Gregory Kaupp, MD, FAAP, FACP

Ann Kearns, PA-C

Janine Keever, MD, FACOG

Elizabeth Kelly, PT, DPT

Beverly Kennedy, WHNP, APRN

Branko Kesler, MD

Tricia Keville, MSN, APRN

Nadia Khan, MD

Khalil A. Khatri, MD

Monica Kiernan, PT, OMT

Heather Killie, MD

Lyudmila Kirillova, MD

Lorenzo Klein, MD

Julie Klink, LICSW

Stacey Anne Kopp, MD

Brian Kossak, MD, FAASM

Susan Krasner, CNM

Amit Kumar, MD

Paul Labinson, DO

Anna Labowsky Cook, MD

Shara LaPointe, PA-C

Elizabeth LaRonde, PA-C

Scott Lauer, MD

Arthur Lauretano, MD, FACS

Jennifer Lavallee, MS, APRN, CPNP

Kristi Lavoie, APRN

David Lawlor, MD

Joseph Leahy, DO

Kathleen C. Leahy, DO

Lawrence Learner, MD

Susann LeBlanc, MD, FAAP

Alexander Lee, MD

Patrick Lee, MD

Alison Lemire, PA-C

Elizabeth Lester, MD

Leanne Letendre, PT

Jessica M. Lewis, CNM, MSN

Carolyn Libert, MSPT, CLT

Matthew Libman, DO

Ann Lo, MD

Melissa Logan, MS, OTR/L, CLT

Steve Loosigian, DO, ALM, MBA

Qi Lu, MD

Uladzimir Luchanok, MD, PhD

Carrie Lundeen-Young, MD

John T. Lynn II, MD

Kayleigh Maas, PA-C

Mollie MacCormack, MD

Lance R. Macey, MD

Jill MacGregor, MSN, APRN, FNP-BC

Nicole Machain, APRN

Michael K. Magee, MD

Danielle Mahan, APRN, WHNP

Robert Majkut, OTR/L, CHT

Christopher Mancuso, DO

Jennifer Mann, APRN

Gregory Martin, MD

Victoria Martone, APRN

Annie Mathew, MD

Corey Mathieu, PA-C

Karen Maynard, MD, FACOG

Rebecca Mayo, PA-C

Amanda McCann, PT, CLT

Patrick McCarthy, PA-C

Joseph McConnell, MD, FACP

Nicolette McDonnell, APRN

Mary McGourty, APRN

Fedelma McKenna, WHNP, CNM

Susan L. McNamee, APRN

Laura McPhee, DO

Juliana Medrado, APRN

Amanda Meerani, MSN, APRN, FNP-C

Siddharth Mehta, MD

Yair D. Melamed, MD

Mary Merkel, DO

Jaime-Lea Meyer, PA-C

Kevin Meyer, MD

Laura (Klein) Miller, DO

Timothy Miller, PA-C

Cara L. Mills, MD

Alden Chandler Milton, PA-C

Nicole Minasi, LCMHC

James A. Mirazita, MD

Brittany Molino, PA-C

Laura Moll, PA-C

Lila H. Monahan, MD, FAAP

Karen Morgan, DO, FAAP

Elizabeth Morin, PT, DPT

Alexa Morrissey, PA-C

Kellie Motschmann, MD, FACOG

Arthur Mourtzinos, MD

Kimberly Movsesian, DO

Dinakar Murthi, MD

Sumana Myneni, MD

Vasuki Nagaraj, MD, MPH

Jenisha Nandhlal, MD, FAAP, FCPaed(SA)

Mark Nawrocki, MD

Vijay K. Nayak, MD

Anjana Neupaney, MD

Holly Neves, APRN

Heather Newell, MSN, APRN

Jayme Newell, APRN

Patrick Nguyen, DO

Tung Nguyen, MD

Taiyo Nishimoto, MD

Colin O'Brien, MD

Brian O'Hearn, APRN

Michael Ollendieck, MD

Carol Olnick, MD

Katherine Olshan, MD

Lawrence O'Malley, PA-C

Banu Oner, MD

Dana O'Shea, MD

Tolga Ozmen, MD

Kathryn Paar, CNM

Anand Padmanabha, MD

Purak Parikh, MD

Nancy Pariser, MD

Jeanne E. Parnell, PA-C

Dipak Patel, MD

Kalpesh Patel, MD

Rima R. Patel, MD

Erin Patterson, M.S., CCC-SLP

Michael Pedro, MD

Wendy Peloquin, PA

Adolfo Peña Salazar, MD

Claudia Perez Martinez, MD

Lori Petersen, RN, MSN, CS, ANP, GNP

Joyce D. Piccirillo, APRN

Kathleen Pierce, DPT, MS, OCS

Adrienne Pitts, DNP, CNM

Jennifer Plant, MSPT, DPT

William Plerhoples, MD

Mark Pohlman, MD

Mark Pohlman, MD

Amanda Ponti, APRN

John Poremba, MD

David Posnick, DO

Mark Posnick, DO

Robert Posnick, MD

Anil K. Prasad, MD, ABOM

W. Russell Price, MD

Christopher Pyne, MD, FACC

Kari Rabito, MSPT, NCS

Rabiah Rafique, MD

Krithiha Ragunaathan, MBBS, MD, FAAP

Sumathi Rajanna, MD

Katie Raju, MSN, FNP-BC, PMHNP-BC

Krupa S. Rajur, MD

Cyrus Ramani, PT, DPT

Marie-Elizabeth Ramas, MD

Thomas Randall, MD

Gautami S. Rao, MD

Cocav Rauwerdink

Sharon Regan, MSW,LICSW

Fabian Reimold, MD, PhD

John Rescigno, MD

Mark Rescino, PA-C

Christopher Riccio, MD, FAAP

John Riddell, MD

Kate Riddell, MD

Patrick J. Riddle, MD

Jeffery Rind, MD

Andrea Rines, PA-C

Daniel Riviere, PT, DPT

Troy Robinson, PA-C

Sarah Rooney, APRN

Amy Rose, PMHNP-BC, APRN

Peter Row, MD

Erica Russell, MSN, CNM, APRN

Jennifer Rylander, MD

Marc M. Sadowsky, MD

Steven Salhanick, MD

Marlene A. Santiago, MD

Heiza Sanuco, FNP-BC

Stephanie Sargent, MHA-PA

Ravi Sathyanarayanagowda, MD

Lisa M. Saunders, MD

Philip Savia, MD

Scott Savner, PA-C

Amy Sawyer, DPT

Lisa M. Scheib, MD

Andrew Schuman, MD, FAAP

Steven L. Schwartz, MD, FACC

Victoria Scinto, MSN, APRN, FNP-C

Amy Seagroves, MD

Raymond Sessions, MD

Heather Shafer, MD

Ajay Sharma, MD

Geetika Sharma, MD

Jennifer Shelsky, APRN

Jessica Sherman, MD

Pankaj Sikka, MD, PhD

Rieta T. Silang, MD

Edward Sirlin, III, MD

Siva Sivakumar, MD, FACP, FCCP

Elizabeth Slattery, LCMHC

Marina Smallwood, APRN, C-WHNP

Maxim Smirnov, MD

Sharon Smith, PA-C

J. Samuel Smoot, MD

Beri Songna, MD

James Spencer, MD

David Spiegelman, MD

Paige St. George, MSN, AGACNP-BC

Catherine Stadler, DO

Kremena Star, MD

Richard Steele, MD

Eric Stein, MD

Kathleen Steinberg, MS, LCGC

Stefan L. Strapko, MD

Lisa Stryker, CRNA

Cecilia Stuopis, MD

Deborah Sturm, PhD

Luis Suarez, MD, FACS

Praveen Suchdev, MD

Kayleigh Sullivan, PA-C

Brett Sweeney, MD

Ernest Tabiri, PA-C

Mhd Wael Tasabehji, MD, MPH

Laura Tashjian, CRNA

Robert Theriault, DO

Kyle Thorne, PA-C

Phone Thu, MD

Jonathan B. Thyng, MD

Steven E. Tourangeau, MD

Caroline Toussaint, APRN

Nicholas Tsaparlis, MD

Sylvia Tufano, MD, FACOG

Gianfranco Tulliano, MD

Saer Martin Tunguia, MD

Pamela Turner, PTA

David Vazan, MD

Cyan Vazquez-Cordero, PA-C

Kendra Vedrani, MSPT

Eric Velasquez, PA-C

Maria Velazquez-Evans, MD

Eduardo Velez, MD, FCCP

Salvatore J. Vella, Jr., DO

Katy Veprauskas, MD

Kara Viel, APRN

Navneet Virk-Hundal, MD

Howard S. Wagenberg, DPM, FACFAS

Jeremy Waldman, MD

David H. Walker, MD

Carey Walters, PT

Yulan Wang, MD

Andrew Watt, MD

Dale Watterson, APRN

Daniel Weidner, MD

Kenneth J. Weintraub, MD

Kim Weisensee, M.S., CCC-SLP

Peter Wertheimer, DO

Jeffrey Wiginton, CRNA

Karen Wiginton, CRNA

Ivy Wilkinson-Ryan, MD

Ashley Williams, PT, DPT, ATC

Linda A. Williams, MD, FAAP

Pamela Williams, APRN

Michelle Winchell, DO

Jassir Witta, MD

Molly Wolf, APRN, WHNP

Melina Wolfe, PA-C

Stephanie Wolf-Rosenblum, MD, FAASM

Cameron Wright, MD

Karen Wu, MD

Melissa Wu, MD, MBA, FACEP

Lisa Wunderlich, CRNA

Chengen Xu, MD

Dilip Yarabothu, DO

Breanne York, OTR/L

Denise E. Youssef, MD

Alice Yu, MD

Kathleen Zaffino, MD

Rui Zhang, MD, PhD

Liyan Zhuang, MD, PhD