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Dr. Onica Leigh Washington, MD, PhD
NPI1508362427PAC ID7810246444
- Medicare services, 2024
- 111
- Medicare patients, 2024
- 87
- Part D claims, 2024
- 146
- Publications
- 2
- MIPS score, 2024
- 100
- Practice address
- 55 Lake Ave, Worcester, MA 01604
- Practice phone
- Call (508) 421-9539
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pdi Worcester
Worcester, Massachusetts
Find Dr. Washington's professional email, personal email and mobile number
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Dr. Onica Leigh Washington is a nephrologist in Worcester, Massachusetts
Dr. Washington practices at Pdi Worcester in Worcester, Massachusetts.
Dr. Washington's NPI, 1508362427, was assigned on March 30, 2018. Dr. Washington graduated from Medical University of South Carolina College of Medicine in 2018. Dr. Washington holds Massachusetts license 1014793.
NPI and contact details
- NPI
- 1508362427NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810246444
- NPI enumeration date
- March 30, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (508) 421-9539
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Onica Leigh Washington practices at Pdi Worcester in Worcester, Massachusetts
Dr. Washington's primary practice is Pdi Worcester, at 55 Lake Ave, Worcester, MA 01604 in Worcester County. The practice phone is (508) 421-9539.
- Pdi Worcester55 Lake Ave, Worcester, MA 01604 · Worcester CountyPhone(508) 421-9539
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Onica Leigh Washington is affiliated with 8 sites of care and 1 medical group
Dr. Washington's primary practice is Pdi Worcester in Worcester, Massachusetts. Dr. Washington is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Dr. Washington to 3 more hospitals, 2 dialysis centers and 1 home health agency, each named with a free account.
Pdi WorcesterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Onica Leigh Washington's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Washington practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pdi Worcester | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Onica Leigh Washington is one of 351 nephrologists in Massachusetts
Nephrology is Dr. Washington's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Washington is licensed in Massachusetts.
Specialties and state licenses
- Nephrology, MassachusettsPrimary
Nephrologists near Dr. Washington
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Onica Leigh Washington billed Medicare for 111 services in 2024
CMS data shows 111 Medicare services from Dr. Washington across 5 procedure codes in 2024, for 87 Medicare patients. Medicare paid $6,749 for them.
Medicare services, 2024111
Medicare patients87
Paid by Medicare$6,749
Procedure codes5
Dr. Washington's Medicare services by type, 2024
- Office and hospital visits81
- Other services30
Where Dr. Washington's Medicare services took place, 2024
- In an office3229%
- In a facility7971%
Dr. Washington compared with the Massachusetts median for nephrologists, 2024
- Dr. Washington
- Massachusetts median
- Medicare services
- 111vs 70184% below
- Medicare patients
- 87vs 28269% below
- Part D claims
- 12vs 47197% below
Medians across 333 nephrologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Washington's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Onica Leigh Washington treated 87 Medicare patients in 2024, average age 75
CMS counts 87 Medicare patients who saw Dr. Washington in 2024. The largest group is 75 to 84, with 34 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 32% are also on Medicaid. Their average risk score is 2.88, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Washington's median patient age at 73, with 52% women.
Medicare patients, 202487
Average age75
Average risk score2.88
Also on Medicaid32%
Dr. Washington's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Washington's Medicare patients by sex, 2024
- Women4451%
- Men4349%
Chronic conditions among Dr. Washington's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes53%
- Heart failure49%
- Arthritis48%
- Ischemic heart disease46%
- Anxiety34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Washington's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Onica Leigh Washington wrote 146 Medicare Part D claims in 2024
In 2024, Dr. Washington wrote 146 Medicare Part D claims for 57 patients. 79% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $90 in total drug cost.
Part D claims, 2024146
Drugs named by CMS1
Total drug cost$90
Part D patients57
Dr. Washington's Part D claims by kind of drug, 2024
- Generic115 claims79%
- Brand-name and other31 claims21%
Dr. Washington's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Onica Leigh Washington scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Washington for performance year 2024, reported through an alternative payment model (APM). Dr. Washington accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Washington as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Washington's MIPS scores, performance year 2024
- 100of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Onica Leigh Washington has 2 publications on record
Dmand AI links 2 papers to Dr. Washington in 2023. Dr. Washington's most frequent co-authors are Hemant Magoo, MD, Maria Shvedova, MD, PhD and Deetu Kadambi Simh, MD.
Papers2
Dr. Washington's most frequent co-authors
- Hemant Magoo, MD1 shared paper
- Maria Shvedova, MD, PhD1 shared paper
- Deetu Kadambi Simh, MD1 shared paper
Recent publications by Dr. Washington
J Bras Nefrol
CurcumaDietary SupplementsHyperoxaluria
See who Dr. Washington researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Washington works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Onica Leigh Washington graduated from Medical University of South Carolina College of Medicine
Dr. Washington graduated from Medical University of South Carolina College of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Onica Leigh Washington's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Onica Leigh Washington
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Onica Leigh Washington's NPI number?
Dr. Onica Leigh Washington's NPI number is 1508362427. It was assigned on March 30, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Onica Leigh Washington?
Dr. Onica Leigh Washington is a nephrologist in Worcester, Massachusetts. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Onica Leigh Washington practice?
Dr. Washington practices at 55 Lake Ave, Worcester, MA 01604. Dr. Washington's primary practice is Pdi Worcester in Worcester, Massachusetts. Dmand AI also links Dr. Washington to 3 hospitals, 2 dialysis centers and 1 home health agency.
What is Dr. Onica Leigh Washington's office phone number?
The practice phone on file for Dr. Washington is (508) 421-9539.
What is Dr. Onica Leigh Washington's medical license number?
Dr. Washington holds Massachusetts license 1014793.
Which hospitals is Dr. Onica Leigh Washington affiliated with?
Dr. Washington is affiliated with UMass Memorial Medical Center - University Campus. Dmand AI links Dr. Washington to 3 more hospitals.
What medical group is Dr. Onica Leigh Washington part of?
Dr. Washington is linked to UMass Memorial Medical Group.
Does Dr. Onica Leigh Washington accept Medicare?
Yes. CMS data shows Dr. Washington billed Medicare for 111 services in 2024, and Dr. Washington accepts Medicare assignment.
Does Dr. Onica Leigh Washington offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Washington as offering telehealth services.
What is Dr. Onica Leigh Washington's MIPS score?
Dr. Washington's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Onica Leigh Washington see?
CMS counts 87 Medicare patients who saw Dr. Washington in 2024, with an average age of 75.
What services does Dr. Onica Leigh Washington bill to Medicare?
In 2024, Dr. Washington's most billed Medicare services were medicare service (G2211), office visit, established patient (99213) and hospital inpatient care (99232).
Where did Dr. Onica Leigh Washington go to medical school?
Dr. Washington graduated from Medical University of South Carolina College of Medicine in 2018.
What drugs does Dr. Onica Leigh Washington prescribe most?
In 2024 Medicare Part D data, Dr. Washington's most prescribed drugs by claims were Lisinopril.
How long has Dr. Onica Leigh Washington been practicing?
Dr. Washington graduated from medical school in 2018, 8 years ago.
Does Dr. Onica Leigh Washington do research?
Dmand AI links 2 publications to Dr. Washington.
Who does Dr. Onica Leigh Washington publish with?
Dr. Washington's most frequent co-authors are Hemant Magoo, MD (1 shared paper), Maria Shvedova, MD, PhD (1 shared paper) and Deetu Kadambi Simh, MD (1 shared paper).
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