JBJS Case Connect
Arthroplasty, Replacement, HipHip ProsthesisPolyethylene
Dr. James G. Nairus, MD
NPI1306828249PAC ID6002992229
- Medicare services, 2024
- 3,098
- Medicare patients, 2024
- 717
- Part D claims, 2024
- 254
- Publications
- 2
- Hospital affiliations
- 9
- Practice address
- 150 Flanders Road, Westborough, MA 01581
- Practice phone
- Call (508) 871-2063
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Nairus' 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. James G. Nairus is an orthopedic surgeon in Westborough, Massachusetts
Dr. Nairus practices at Whittier Rehabilitation Hospital-Westborough in Westborough, Massachusetts, part of Whittier Health Network.
Dr. Nairus' NPI, 1306828249, was assigned on November 16, 2005. Dr. Nairus graduated from University of Cincinnati College of Medicine in 1995. Dr. Nairus holds Massachusetts license 151694.
NPI and contact details
- NPI
- 1306828249NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002992229
- NPI enumeration date
- November 16, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (508) 871-2063
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James G. Nairus practices at Whittier Rehabilitation Hospital-Westborough in Westborough, Massachusetts
Dr. Nairus' primary practice is Whittier Rehabilitation Hospital-Westborough, at 150 Flanders Road, Westborough, MA 01581 in Worcester County. The practice phone is (508) 871-2063.
- Whittier Rehabilitation Hospital-Westborough150 Flanders Road, Westborough, MA 01581 · Worcester CountyPhone(508) 871-2063
Source: Dmand AI Affiliation Data
Dr. James G. Nairus is affiliated with 18 sites of care and 3 medical groups
Dr. Nairus' primary practice is Whittier Rehabilitation Hospital-Westborough in Westborough, Massachusetts, part of Whittier Health Network. Dr. Nairus is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is Northeast Orthopaedic Alliance. Dmand AI also links Dr. Nairus to 7 more hospitals, 5 home health agencies, 3 group practices and clinics, 2 medical groups and 1 therapy and rehab clinic, each named with a free account.
UMass Memorial Medical Center - University CampusNortheast Orthopaedic Alliance7 hospitalsNames with a free account5 home health agenciesNames with a free account3 group practices and clinicsNames with a free account2 medical groupsNames with a free account1 therapy and rehab clinicName with a free account
See all 21 affiliations for Dr. NairusSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James G. Nairus' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nairus practices, 18 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Whittier Rehabilitation Hospital-Westborough | Available with a free account |
| +17 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. James G. Nairus is one of 593 orthopedic surgeons in Massachusetts
Orthopaedic surgery is Dr. Nairus' primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Nairus is licensed in Massachusetts.
Specialties and state licenses
- Orthopaedic surgery, MassachusettsPrimary
Orthopedic surgeons near Dr. Nairus
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. James G. Nairus billed Medicare for 3,098 services in 2024
CMS data shows 3,098 Medicare services from Dr. Nairus across 11 procedure codes in 2024, for 717 Medicare patients. Medicare paid $313,928 for them.
Medicare services, 20243,098
Medicare patients717
Paid by Medicare$313,928
Procedure codes11
Dr. Nairus' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,8992024: 2,0327%
- Office and hospital visits
- 2023: 7552024: 65713%
- Surgery
- 2023: 3372024: 3127%
- Imaging
- 2023: 842024: 9715%
Where Dr. Nairus' Medicare services took place, 2024
- In an office2,88893%
- In a facility2107%
Dr. Nairus compared with the Massachusetts median for orthopedic surgeons, 2024
- Dr. Nairus
- Massachusetts median
- Medicare services
- 3,098vs 6724.6 times
- Medicare patients
- 717vs 3022.4 times
- Part D claims
- 235vs 504.7 times
Medians across 543 orthopedic surgeons in Massachusetts with Dmand AI profiles that report each measure.
Dr. Nairus' 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. James G. Nairus treated 717 Medicare patients in 2024, average age 74
CMS counts 717 Medicare patients who saw Dr. Nairus in 2024. The largest group is 65 to 74, with 382 patients. 75% of them have arthritis, and 75% have high blood pressure. 2% are also on Medicaid. Their average risk score is 0.87, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nairus' median patient age at 71, with 57% women.
Medicare patients, 2024717
Average age74
Average risk score0.87
Also on Medicaid2%
Dr. Nairus' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nairus' Medicare patients by sex, 2024
- Women43461%
- Men28339%
Chronic conditions among Dr. Nairus' Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety26%
- Ischemic heart disease22%
- Mood disorders20%
- Diabetes19%
- Depression17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nairus' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James G. Nairus wrote 254 Medicare Part D claims in 2024
In 2024, Dr. Nairus wrote 254 Medicare Part D claims for 199 patients. 99% of them were for generic drugs. CMS names the drug for 235 of them, across 4 drugs with 11 or more claims each, at $2,034 in total drug cost. In 2023, CMS named 336 claims across 5 drugs.
Part D claims, 2024254
Drugs named by CMS4
Total drug cost$2,034
Part D patients199
Dr. Nairus' Part D claims by kind of drug, 2024
- Generic252 claims99%
- Brand-name and other2 claims1%
Dr. Nairus' 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.
Drug classes CMS tracks in Dr. Nairus' Part D claims, 2024
- Antibiotics42%107 of 254 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3362024: 23530%
Drugs named by CMS: 4 in 2024, 5 in 2023.
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. James G. Nairus ranks in the 99th percentile for knee replacement in Medicare
Dr. Nairus accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nairus as offering telehealth. CMS counts 225 procedures of knee replacement by Dr. Nairus, more than 99% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Nairus ranks in Medicare procedure volume
- Knee replacement
- 99th percentile225 procedures
- Hip replacement
- 96th percentile90 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. James G. Nairus has 2 publications on record
Dmand AI links 2 papers to Dr. Nairus, published from 2019 to 2021. Dr. Nairus' most frequent co-authors are Nicholas Robert Pagani, MD, Geoffrey Evan Stoker, MD and Carl T. Talmo, MD.
Papers2
Years published2019 to 2021
Dr. Nairus' most frequent co-authors
- Nicholas Robert Pagani, MD1 shared paper
- Geoffrey Evan Stoker, MD1 shared paper
- Carl T. Talmo, MD1 shared paper
Recent publications by Dr. Nairus
Arthroplasty, Replacement, KneeJoint DiseasesKnee Joint
See who Dr. Nairus researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nairus 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. James G. Nairus received $4,084 in industry payments from 2016 to 2025
CMS Open Payments shows 71 general payments to Dr. Nairus from 18 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Zimmer Biomet Holdings, Inc. paid the most, $921.
General payments to Dr. Nairus by program year, 2016 to 2025
General payments to Dr. Nairus by kind, 2016 to 2025
$4.1Kin total
- Food and beverage$4,070100%
- Speaker and faculty fees$140%
Companies that paid Dr. Nairus the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James G. Nairus graduated from University of Cincinnati College of Medicine
Dr. Nairus graduated from University of Cincinnati College of Medicine in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James G. Nairus'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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)Doctors and Clinicians Utilization Data (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. James G. Nairus
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. James G. Nairus' NPI number?
Dr. James G. Nairus' NPI number is 1306828249. It was assigned on November 16, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. James G. Nairus?
Dr. James G. Nairus is an orthopedic surgeon in Westborough, Massachusetts. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. James G. Nairus practice?
Dr. Nairus practices at 150 Flanders Road, Westborough, MA 01581. Dr. Nairus' primary practice is Whittier Rehabilitation Hospital-Westborough in Westborough, Massachusetts, part of Whittier Health Network. Dmand AI also links Dr. Nairus to 7 hospitals, 5 home health agencies, 3 group practices and clinics, 2 medical groups and 1 therapy and rehab clinic.
What is Dr. James G. Nairus' office phone number?
The practice phone on file for Dr. Nairus is (508) 871-2063.
What is Dr. James G. Nairus' medical license number?
Dr. Nairus holds Massachusetts license 151694.
Which hospitals is Dr. James G. Nairus affiliated with?
Dr. Nairus practices at Whittier Rehabilitation Hospital-Westborough in Westborough, Massachusetts. Dr. Nairus is also affiliated with UMass Memorial Medical Center - University Campus. Dmand AI links Dr. Nairus to 7 more hospitals.
What medical group is Dr. James G. Nairus part of?
Dr. Nairus is linked to Northeast Orthopaedic Alliance. Dmand AI links Dr. Nairus to 2 more medical groups.
Does Dr. James G. Nairus accept Medicare?
Yes. CMS data shows Dr. Nairus billed Medicare for 3,098 services in 2024, and Dr. Nairus accepts Medicare assignment.
Does Dr. James G. Nairus offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nairus as offering telehealth services.
How many Medicare patients does Dr. James G. Nairus see?
CMS counts 717 Medicare patients who saw Dr. Nairus in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
What services does Dr. James G. Nairus bill to Medicare?
In 2024, Dr. Nairus' most billed Medicare services were injected or infused drug (J3304), injected or infused drug (J3301) and office visit, established patient (99213).
Where did Dr. James G. Nairus go to medical school?
Dr. Nairus graduated from University of Cincinnati College of Medicine in 1995.
What drugs does Dr. James G. Nairus prescribe most?
In 2024 Medicare Part D data, Dr. Nairus' most prescribed drugs by claims were Celecoxib, Amoxicillin and Clindamycin HCl.
Has Dr. James G. Nairus received payments from drug or device companies?
CMS Open Payments shows $4,084 in general payments to Dr. Nairus from 18 companies from 2016 to 2025. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. James G. Nairus been practicing?
Dr. Nairus graduated from medical school in 1995, 31 years ago.
Does Dr. James G. Nairus do research?
Dmand AI links 2 publications to Dr. Nairus, published from 2019 to 2021.
Who does Dr. James G. Nairus publish with?
Dr. Nairus' most frequent co-authors are Nicholas Robert Pagani, MD (1 shared paper), Geoffrey Evan Stoker, MD (1 shared paper) and Carl T. Talmo, MD (1 shared paper).
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