Dr. Onica Leigh Washington , MD, PhD
Internal Medicine - Nephrology • Worcester, MA
Professional Overview & Biography Verified Profile Summary
Dr. Onica Washington, MD, PhD is a certified Internal Medicine - Nephrology practicing in Worcester, MA. With approximately 8 years of clinical experience since graduating from Medical University Of South Carolina College Of Medicine in 2018, Dr. Washington delivers high-quality medical care to the local community at 55 LAKE AVE N.
Dr. Washington is affiliated with Umass Memorial Medical Group Inc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.
Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, new patient outpatient office visit, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
55 Lake Ave N
Worcester, MA 016550002
Medicare Profile & Education
Medical University Of South Carolina College Of Medicine
2018
✓ Accepts Assignment
Telehealth Services Available
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine - Nephrology in Worcester, MA
Practicing in Worcester, MA (433 Statewide)
✓ Offers Virtual Consultations
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
99232
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
|
22 | 14 | $238.00 | $77.99 |
|
99204
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
|
18 | 18 | $547.00 | $132.14 |
|
99213
Established patient office or other outpatient visit, typically 15 minutes
|
17 | 15 | $300.00 | $92.14 |
|
G2211
Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
|
15 | 14 | $47.00 | $16.38 |
|
G2211
Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
|
15 | 14 | $47.00 | $16.38 |
|
99222
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
|
12 | 11 | $450.00 | $129.10 |
|
99213
Established patient office or other outpatient visit, typically 15 minutes
|
12 | 12 | $300.00 | $65.38 |
Medical Specialties & State Licenses
CMS Verified: 2026-06-22NUCC Taxonomy Code: 207RN0300X
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
NUCC Taxonomy Code: 207RG0300X
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
Additional State Medicaid & Healthcare Payer Identifiers
Hospital & Practice Group Affiliations
Umass Memorial Medical Group Inc
55 Lake Ave N, Worcester, MA 016550002
Phone: 5083341000
Secondary Practice Locations
291 Lincoln St
Worcester, MA 016053643
Phone: 5083346251
119 Belmont St
Worcester, MA 016052903
Phone: 5083343155
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Student in an Organized Health Care Education/Training Program
Doctor of Medicine (M.D.)
Internal Medicine - Nephrology
Doctor of Medicine (M.D.)
Internal Medicine - Nephrology
Doctor of Osteopathic Medicine (D.O.)
Internal Medicine - Nephrology
Doctor of Medicine (M.D.)
Nurse Practitioner
Nurse Practitioner
Internal Medicine - Nephrology
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at PO BOX 415348, BOSTON, MA 022415348 (Tel: 8002258885)
Internal Medicine (License #1014793 in MA)
NPI status registered as active in NPPES database
Registered at 55 LAKE AVE N, WORCESTER, MA 016550002 (Tel: 5083341000)
Registered at 55 LAKE AVE N, WORCESTER, MA 016550002 (Tel: 5083341000)
Recorded as ONICA WASHINGTON, MD, PHD
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
Po Box 415348
Boston, MA 022415348
Phone: 8002258885
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