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Marcella D. Walker, MD

Board Certifications: 
Endocrinology
Accepting New Patients
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Appointments

Phone Appointments

New and Existing Patients: 
(212) 305-8456

myColumbiaDoctors

For existing patients, login to make an appointment, view documentation or contact your care provider.

Credentials & Experience

Board Certifications

  • Endocrinology

Clinical Expertise

  • Bone and Joint Infections
  • Bone and Mineral Metabolism
  • Bone Diseases
  • Bone Metabolism Disorder
  • Bone Tumors
  • Metabolic Bone Disease
  • Hyperparathyroidism

Education & Training

  • Johns Hopkins School of Medicine
  • Residency: Johns Hopkins Hospital
  • Fellowship: NewYork-Presbyterian Hospital/Columbia University Medical Center

Honors & Awards

  • Phi Beta Kappa, Wesleyan University, 1992
  • Hawk Prize for Biochemistry, Wesleyan University, 1993
  • Outstanding Small Group Preceptor Award, Columbia University, College of Physicians and Surgeons, 2008
  • Irving Scholar, 2011-2014

About Marcella Walker

Dr. Walker is an Assistant Professor of Clinical Medicine at the College of Physicians and Surgeons, Columbia University in the Division of Endocrinology. Dr. Walker received her undergraduate training at Wesleyan University (Middletown, CT) and her medical training at the Johns Hopkins University School of Medicine in Baltimore, Maryland. She completed her internship and residency in Internal Medicine at the Johns Hopkins Hospital in 2002 and went on to complete a 3-year fellowship training program in Endocrinology, Diabetes and Metabolism at the College of Physicians and Surgeons, Columbia University. Dr. Walker joined the faculty at the College of Physicians and Surgeons in 2005. Dr. Walker also completed a Masters Degree in Biostatistics and Patient-Oriented Research at the Mailman School of Public Health, Columbia University in 2009.

Dr. Walker is board-certified in Internal Medicine and Endocrinology and is an International Society for Clinical Densitometry-certified Clinical Densitometrist. Dr. Walker's clinical activities involve seeing patients in the Metabolic Bone Diseases Unit at Columbia with a variety of disorders including postmenopausal and glucocorticoid-induced osteoporosis, idiopathic osteoporosis, hyper- and hypoparathyroidism, Paget's disease, fibrous dysplasia, osteomalacia and osteopetrosis.

Dr. Walker also has academic responsibilities which include teaching endocrine pathophysiology to first year medical students and serving as a preceptor for 3rd year medical students during their medicine Clerkship. Additionally, Dr. Walker attends on the inpatient Internal Medicine and Endocrinology consult services with residents and fellows.

Academic Titles

  • Irving Assistant Professor of Clinical Medicine

Hospital Affiliations

  • NewYork-Presbyterian/Columbia

Gender

  • Female

Insurance Accepted

Aetna

  • EPO
  • HMO
  • Medicare Managed Care
  • NY Signature
  • POS
  • PPO
  • Signature Administrators
  • Student Health

Cigna

  • EPO
  • Great West
  • HMO
  • POS
  • PPO

Emblem/HIP

  • ConnectiCare
  • EPO
  • Essential Plan
  • HMO
  • Medicaid Managed Care
  • Medicare Managed Care
  • POS
  • PPO
  • Select Care (Exchange)
  • Vytra

Empire Blue Cross Blue Shield

  • Blue Priority
  • EPO
  • HMO
  • Medicare (Mediblue)
  • NYP Employee Plan
  • Pathway (Exchange)
  • POS
  • PPO

Local 1199

  • Local 1199

MagnaCare

  • MagnaCare

Multiplan

  • Multiplan

Oxford Health Plans

  • Freedom
  • Liberty
  • Medicare Managed Care

POMCO

  • POMCO

UnitedHealthcare

  • Columbia University Employee Plan
  • Compass (Exchange)
  • EPO
  • Essential Plan
  • HMO
  • Medicaid (Community Plan)
  • Medicare Managed Care
  • POS
  • PPO

*Please contact the provider’s office directly to verify that your particular insurance is accepted.

Contact & Locations

1
180 Fort Washington Avenue
Room 904
New York, New York 10032
Phone:
(212) 305-8456
Fax:
(212) 342-0501
Primary

Research

Dr. Walker's major research interests involve the clinical investigation of 1) the cardiovascular effects of vitamin D deficiency, 2) the cardiovascular, neurological and psychiatric manifestations of modern primary hyperparathyroidism and 3) racial differences in skeletal macro/microstructure and bone metabolism. She has received funding from the NIH, National Osteoporosis Foundation, New York Academy of Medicine and the Irving Scholars Program. She has authored numerous articles related to these topics. Dr. Walker is a member of the American Society for Bone and Mineral Research. 

Grants

PRIMARY HYPERPARATHYROIDISM (Federal Gov)

Apr 1 2014 - Mar 31 2019

PRIMARY HYPERPARATHYROIDISM: NEUROCOGNITIVE FEATURES (Federal Gov)

Jul 9 2015 - Jun 30 2018

A GENETIC APPROACH TOWARD INDIVIDUAL THE ASSESSMENT OF OSTEOPOROSIS (Private)

Jun 1 2016 - May 31 2017

VITAMIN D DEFICIENCY IN PRIMARY HYPERPARATHYROIDISM (Federal Gov)

Jul 1 2010 - Apr 30 2016

FGF23 AND THE RISK OF STROKE AND COGNITIVE DECLINE (Federal Gov)

Mar 16 2012 - Feb 29 2016

ASPECTS OF BONE QUALITY AMONG CHINESE AMERICAN WOMEN (Federal Gov)

Jun 6 2007 - May 31 2013