Dr. William Henry Rossy IV, MD
- Medicare services, 2024
- 17,082
- Medicare patients, 2024
- 548
- Part D claims, 2024
- 258
- MIPS score, 2024
- 75
- Hospital affiliations
- 5
- Practice address
- 315 Us-206, Hillsborough, NJ 08844
- Practice phone
- Call (862) 217-6900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Orthonj
Hillsborough, New Jersey
Find Dr. Rossy's professional email, personal email and mobile number
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Dr. William Henry Rossy IV is an orthopedic surgeon in Hillsborough, New Jersey
Dr. Rossy practices at Orthonj in Hillsborough, New Jersey.
Dr. Rossy's NPI, 1891012183, was assigned on April 26, 2010. Dr. Rossy holds New Jersey license 25MA09847900.
- NPI
- 1891012183NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315259082
- NPI enumeration date
- April 26, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (862) 217-6900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Henry Rossy IV practices at Orthonj in Hillsborough, New Jersey
Dr. Rossy's primary practice is Orthonj, at 315 Us-206, Hillsborough, NJ 08844 in Somerset County. The practice phone is (862) 217-6900.
- Orthonj315 Us-206, Hillsborough, NJ 08844 · Somerset CountyPhone(862) 217-6900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William Henry Rossy IV is affiliated with 7 sites of care and 1 medical group
Dr. Rossy's primary practice is Orthonj in Hillsborough, New Jersey. Dr. Rossy is also affiliated with Atlantic Health CentraState Medical Center. The medical group on file is University Orthopaedic Associates. Dmand AI also links Dr. Rossy to 4 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William Henry Rossy IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rossy practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orthonj | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Henry Rossy IV is one of 644 orthopedic surgeons in New Jersey
Orthopaedic surgery is Dr. Rossy's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Rossy's licenses on file in 2 states: New Jersey and New York.
Specialties and state licenses
- Orthopaedic surgery, New JerseyPrimary
- New York license
Orthopedic surgeons near Dr. Rossy
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. William Henry Rossy IV billed Medicare for 17,082 services in 2024
CMS data shows 17,082 Medicare services from Dr. Rossy across 17 procedure codes in 2024, for 548 Medicare patients. Medicare paid $215,742 for them. Every service was in an office.
Dr. Rossy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 9372024: 14,8721487%
- Office and hospital visits
- 2023: 1,0342024: 9478%
- Surgery
- 2023: 6302024: 6231%
- Imaging
- 2023: 5382024: 5007%
- Tests and treatments
- 2023: 1452024: 1403%
Dr. Rossy compared with the New Jersey median for orthopedic surgeons, 2024
- Dr. Rossy
- New Jersey median
- Medicare services
- 17,082vs 1,32612.9 times
- Medicare patients
- 548vs 28096% above
- Part D claims
- 239vs 793.0 times
Medians across 604 orthopedic surgeons in New Jersey with Dmand AI profiles that report each measure.
Dr. Rossy'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. William Henry Rossy IV treated 548 Medicare patients in 2024, average age 74
CMS counts 548 Medicare patients who saw Dr. Rossy in 2024. The largest group is 65 to 74, with 307 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 0.84, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rossy's median patient age at 56, with 54% women.
Dr. Rossy's Medicare patients by age, 2024
Dr. Rossy's Medicare patients by sex, 2024
- Women32760%
- Men22140%
Chronic conditions among Dr. Rossy's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure69%
- Ischemic heart disease25%
- Anxiety23%
- Diabetes22%
- Mood disorders19%
- Osteoporosis17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rossy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women54%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William Henry Rossy IV wrote 258 Medicare Part D claims in 2024
In 2024, Dr. Rossy wrote 258 Medicare Part D claims for 90 patients. 100% of them were for generic drugs. CMS names the drug for 239 of them, across 4 drugs with 11 or more claims each, at $935 in total drug cost. In 2023, CMS named 192 claims across 3 drugs.
Dr. Rossy'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.
Drug classes CMS tracks in Dr. Rossy's Part D claims, 2024
- Opioids7%18 of 258 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: 1922024: 23924%
Drugs named by CMS: 4 in 2024, 3 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. William Henry Rossy IV scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Rossy for performance year 2024, reported as part of a group. Dr. Rossy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 26 procedures of lower limb (leg) arthroscopy (minimally invasive joint repair) by Dr. Rossy, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Rossy ranks in Medicare procedure volume
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 75th percentile31 procedures
- Lower limb (leg) arthroscopy (minimally invasive joint repair)
- 95th percentile26 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. William Henry Rossy IV received $16,774 in industry payments from 2016 to 2025
CMS Open Payments shows 76 general payments to Dr. Rossy from 24 drug and device companies from 2016 to 2025. Education make up the largest share, 60% of the total. Arthrex, Inc. paid the most, $10,159.
General payments to Dr. Rossy by program year, 2016 to 2025
General payments to Dr. Rossy by kind, 2016 to 2025
- Education$10,13560%
- Travel and lodging$3,66622%
- Food and beverage$2,97318%
Companies that paid Dr. Rossy the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William Henry Rossy IV's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William Henry Rossy IV
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. William Henry Rossy IV's NPI number?
Dr. William Henry Rossy IV's NPI number is 1891012183. It was assigned on April 26, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. William Henry Rossy IV?
Dr. William Henry Rossy IV is an orthopedic surgeon in Hillsborough, New Jersey. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. William Henry Rossy IV practice?
Dr. Rossy practices at 315 Us-206, Hillsborough, NJ 08844. Dr. Rossy's primary practice is Orthonj in Hillsborough, New Jersey. Dmand AI also links Dr. Rossy to 4 hospitals and 1 group practice or clinic.
What is Dr. William Henry Rossy IV's office phone number?
The practice phone on file for Dr. Rossy is (862) 217-6900.
What is Dr. William Henry Rossy IV's medical license number?
Dr. Rossy holds New Jersey license 25MA09847900, one of the licenses on file in 2 states.
Which states has Dr. William Henry Rossy IV been licensed in?
Dmand AI has state licenses on file for Dr. Rossy in New Jersey and New York.
Which hospitals is Dr. William Henry Rossy IV affiliated with?
Dr. Rossy is affiliated with Atlantic Health CentraState Medical Center. Dmand AI links Dr. Rossy to 4 more hospitals.
What medical group is Dr. William Henry Rossy IV part of?
Dr. Rossy is linked to University Orthopaedic Associates.
Does Dr. William Henry Rossy IV accept Medicare?
Yes. CMS data shows Dr. Rossy billed Medicare for 17,082 services in 2024, and Dr. Rossy accepts Medicare assignment.
What is Dr. William Henry Rossy IV's MIPS score?
Dr. Rossy's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
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How many Medicare patients does Dr. William Henry Rossy IV see?
CMS counts 548 Medicare patients who saw Dr. Rossy in 2024, with an average age of 74.
What services does Dr. William Henry Rossy IV bill to Medicare?
In 2024, Dr. Rossy's most billed Medicare services were injected or infused drug (J1010), surgery: bones and joints (20610) and office visit, established patient (99214).
What drugs does Dr. William Henry Rossy IV prescribe most?
In 2024 Medicare Part D data, Dr. Rossy's most prescribed drugs by claims were Meloxicam, Celecoxib and Tramadol HCl.
Has Dr. William Henry Rossy IV received payments from drug or device companies?
CMS Open Payments shows $16,774 in general payments to Dr. Rossy from 24 companies from 2016 to 2025. The largest total came from Arthrex, Inc.
How long has Dr. William Henry Rossy IV been practicing?
Dr. Rossy graduated from medical school in 2010, 16 years ago.
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