Dr. Walter J. Leclair, MD
- Medicare services, 2023
- 21
- Part D claims, 2020
- 18
- Publications
- 1
- MIPS score, 2024
- 57
- Hospital affiliations
- 1
- Practice address
- 55 Lake Avenue North, Worcester, MA 01655
- Practice phone
- Call (508) 334-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Leclair's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Walter J. Leclair is an orthopedic surgeon in Mendon, Massachusetts
Dr. Leclair practices at UMass Memorial Medical Center - University Campus in Worcester, Massachusetts, part of UMass Memorial Health Care.
Dr. Leclair's NPI, 1417931544, was assigned on December 1, 2005. Dr. Leclair graduated from University of Massachusetts Medical School in 1979. Dr. Leclair holds Massachusetts license 46995.
- NPI
- 1417931544NPI Registry (opens in a new tab)
- NPI enumeration date
- December 1, 2005
- NPI status
- Active
- Practice phone
- (508) 334-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Walter J. Leclair practices in Worcester and Mendon
Dr. Leclair's primary practice is UMass Memorial Medical Center - University Campus, at 55 Lake Avenue North, Worcester, MA 01655 in Worcester County. The practice phone is (508) 334-1000. The NPI Registry lists Dr. Leclair's practice address as 55 North Ave, Mendon, MA 01756.
- UMass Memorial Medical Center - University CampusPrimary55 Lake Avenue North, Worcester, MA 01655 · Worcester CountyPhone(508) 334-1000
- NPI Registry address55 North Ave, Mendon, MA 01756 · Worcester County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Walter J. Leclair is affiliated with 1 site of care and 1 medical group
Dr. Leclair's primary practice is UMass Memorial Medical Center - University Campus in Worcester, Massachusetts, part of UMass Memorial Health Care. The medical group on file is UMass Memorial Medical Group.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Walter J. Leclair's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leclair practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UMass Memorial Medical Center - University Campus | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across UMass Memorial Health Care and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Walter J. Leclair is one of 593 orthopedic surgeons in Massachusetts
Orthopaedic surgery is Dr. Leclair's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Leclair is licensed in Massachusetts.
Specialties and state licenses
- Orthopaedic surgery, MassachusettsPrimary
Orthopedic surgeons near Dr. Leclair
Counts of orthopedic surgeons 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. Walter J. Leclair billed Medicare for 21 services in 2023
CMS data shows 21 Medicare services from Dr. Leclair across 1 procedure code in 2023, all of them office visits. Medicare paid $868 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Leclair's Medicare services by type, 2021 to 2023
- 2021
- 2023
- Office and hospital visits
- 2021: 372023: 2143%
Dr. Leclair compared with the Massachusetts median for orthopedic surgeons, 2023
- Dr. Leclair
- Massachusetts median
- Medicare services
- 21vs 67297% below
- Part D claims
- 18vs 5064% below
Medians across 543 orthopedic surgeons in Massachusetts with Dmand AI profiles that report each measure.
Dr. Leclair's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Leclair?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Leclair and other orthopedic surgeons in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Walter J. Leclair's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Leclair's median patient age at 53, with 50% women.
Dr. Leclair's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Walter J. Leclair wrote 18 Medicare Part D claims in 2020
In 2020, Dr. Leclair wrote 18 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $97 in total drug cost. In 2019, CMS named 11 claims across 1 drug.
Dr. Leclair's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 112020: 1864%
Drugs named by CMS: 1 in 2020, 1 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Walter J. Leclair scored 57 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 57 out of 100 for Dr. Leclair for performance year 2024, reported as part of a group.
Dr. Leclair's MIPS scores, performance year 2024
- 57of 100Final score
- 18of 100Quality
- 100of 100Promoting Interoperability
- 0of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Walter J. Leclair has 1 publication on record
Dmand AI links 1 paper to Dr. Leclair in 2012. Dr. Leclair's most frequent co-authors are Michael J. Heffernan, MD and Xinning Li, MD.
Dr. Leclair's most frequent co-authors
Recent publications by Dr. Leclair
See who Dr. Leclair researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Leclair works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Walter J. Leclair received $2,425 in industry payments from 2016 to 2023
CMS Open Payments shows 25 general payments to Dr. Leclair from 2 drug and device companies from 2016 to 2023. Travel and lodging make up the largest share, 51% of the total. Stryker Corporation paid the most, $2,344.
General payments to Dr. Leclair by program year, 2016 to 2023
General payments to Dr. Leclair by kind, 2016 to 2023
- Travel and lodging$1,22651%
- Food and beverage$1,19949%
Companies that paid Dr. Leclair the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Walter J. Leclair graduated from University of Massachusetts Medical School
Dr. Leclair graduated from University of Massachusetts Medical School in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Walter J. Leclair'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | 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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Walter J. Leclair
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. Walter J. Leclair's NPI number?
Dr. Walter J. Leclair's NPI number is 1417931544. It was assigned on December 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Walter J. Leclair?
Dr. Walter J. Leclair is an orthopedic surgeon in Mendon, Massachusetts. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Walter J. Leclair practice?
Dr. Leclair practices at 55 Lake Avenue North, Worcester, MA 01655. Dr. Leclair also practices at 55 North Ave, Mendon, MA 01756. Dr. Leclair's primary practice is UMass Memorial Medical Center - University Campus in Worcester, Massachusetts, part of UMass Memorial Health Care.
What is Dr. Walter J. Leclair's office phone number?
The practice phone on file for Dr. Leclair is (508) 334-1000.
What is Dr. Walter J. Leclair's medical license number?
Dr. Leclair holds Massachusetts license 46995.
Which hospitals is Dr. Walter J. Leclair affiliated with?
Dr. Leclair practices at UMass Memorial Medical Center - University Campus in Worcester, Massachusetts.
What medical group is Dr. Walter J. Leclair part of?
Dr. Leclair is linked to UMass Memorial Medical Group.
Does Dr. Walter J. Leclair accept Medicare?
Yes. CMS data shows Dr. Leclair billed Medicare for 21 services in 2023.
What is Dr. Walter J. Leclair's MIPS score?
Dr. Leclair's MIPS final score for performance year 2024 is 57 out of 100, reported as part of a group.
What services does Dr. Walter J. Leclair bill to Medicare?
In 2023, Dr. Leclair's most billed Medicare services were office visit, established patient (99213).
Show 6 more questionsShow fewer questions
Where did Dr. Walter J. Leclair go to medical school?
Dr. Leclair graduated from University of Massachusetts Medical School in 1979.
What drugs does Dr. Walter J. Leclair prescribe most?
In 2020 Medicare Part D data, Dr. Leclair's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Walter J. Leclair received payments from drug or device companies?
CMS Open Payments shows $2,425 in general payments to Dr. Leclair from 2 companies from 2016 to 2023. The largest total came from Stryker Corporation.
How long has Dr. Walter J. Leclair been practicing?
Dr. Leclair graduated from medical school in 1979, 47 years ago.
Does Dr. Walter J. Leclair do research?
Dmand AI links 1 publication to Dr. Leclair.
Who does Dr. Walter J. Leclair publish with?
Dr. Leclair's most frequent co-authors are Michael J. Heffernan, MD (1 shared paper) and Xinning Li, MD (1 shared paper).
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