Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Onica Leigh Washington, MD, PHD

Individual provider Nephrology Physician · NPI 1508362427

Dr. Onica Leigh Washington, MD, PHD is a Nephrology in Worcester, Massachusetts. Graduated from Medical University of South Carolina College of Medicine in 2018, 8 years ago. Practices with Umass Memorial Medical Group Inc, a 2,467-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
8
Trained at
Medical University of South Carolina College of Medicine
Licensed in
MA
In the registry since
2018
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

55 Lake Ave N
Worcester, MA 01655-0002
Phone: (508) 334-3155
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 291 Lincoln St, Worcester, MA 01605-3643 — (508) 334-6251
  • 119 Belmont St, Worcester, MA 01605-2903 — (508) 334-3155

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 1014793 (MA)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence 1014793 (MA)

Record details

NPI number1508362427
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMarch 30, 2018
Last updated in NPPESJune 22, 2026
Certification dateJune 22, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEPHROLOGY
Also practisesGERIATRIC MEDICINE
Medical schoolMEDICAL UNIVERSITY OF SOUTH CAROLINA COLLEGE OF MEDICINE
Graduated 2018 (8 years in practice)
Group practice Umass Memorial Medical Group Inc — 2467 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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