Dr. William John Willis, MD
- Medicare services, 2024
- 321
- Medicare patients, 2024
- 420
- Part D claims, 2024
- 11
- MIPS score, 2024
- 81
- Hospital affiliations
- 3
- Practice address
- 175 High St, Newton, NJ 07860
- Practice phone
- Call (973) 383-2121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Willis' professional email, personal email and mobile number
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Dr. William John Willis is an anesthesiologist in Newton, New Jersey
Dr. Willis practices at Newton Medical Center in Newton, New Jersey, part of Atlantic Health System.
Dr. Willis' NPI, 1700882180, was assigned on June 22, 2005. Dr. Willis holds New Jersey license 25MA05786500.
- NPI
- 1700882180NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204885866
- NPI enumeration date
- June 22, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (973) 383-2121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William John Willis practices at Newton Medical Center in Newton, New Jersey
Dr. Willis' primary practice is Newton Medical Center, at 175 High St, Newton, NJ 07860 in Sussex County. The practice phone is (973) 383-2121.
- Newton Medical Center175 High St, Newton, NJ 07860 · Sussex CountyPhone(973) 383-2121
Source: Dmand AI Affiliation Data
Dr. William John Willis is affiliated with 3 sites of care and 2 medical groups
Dr. Willis' primary practice is Newton Medical Center in Newton, New Jersey, part of Atlantic Health System. Dr. Willis is also affiliated with Morristown Medical Center. The medical group on file is Anesthesia Associates of Morristown. Dmand AI also links Dr. Willis to 1 more hospital and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William John Willis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Willis practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Newton Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William John Willis is one of 1,613 anesthesiologists in New Jersey
Anesthesiology is Dr. Willis' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Willis is licensed in New Jersey.
Specialties and state licenses
- Anesthesiology, New JerseyPrimary
Anesthesiologists near Dr. Willis
Counts of anesthesiologists 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 John Willis billed Medicare for 321 services in 2024
CMS data shows 321 Medicare services from Dr. Willis across 13 procedure codes in 2024, for 420 Medicare patients. Medicare paid $27,742 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Willis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 3242024: 3211%
Dr. Willis compared with the New Jersey median for anesthesiologists, 2024
- Dr. Willis
- New Jersey median
- Medicare services
- 321vs 923.5 times
- Medicare patients
- 420vs 1692.5 times
Medians across 1,604 anesthesiologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Willis' 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 John Willis treated 420 Medicare patients in 2024, average age 74
CMS counts 420 Medicare patients who saw Dr. Willis in 2024. The largest group is 65 to 74, with 166 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.88, 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. Willis' median patient age at 68, with 47% women.
Dr. Willis' Medicare patients by age, 2024
Dr. Willis' Medicare patients by sex, 2024
- Women17742%
- Men24358%
Chronic conditions among Dr. Willis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease56%
- Arthritis52%
- Atrial fibrillation41%
- Chronic kidney disease40%
- Heart failure39%
- Anxiety37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Willis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women47%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William John Willis wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Willis wrote 11 Medicare Part D claims.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. William John Willis scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Willis for performance year 2024, reported as part of a group. Dr. Willis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Willis' MIPS scores, performance year 2024
- 81of 100Final score
- 78.7of 100Quality
- 40of 100Improvement Activities
- 75of 100Cost
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. William John Willis received $355 in industry payments from 2018 to 2024
CMS Open Payments shows 14 general payments to Dr. Willis from 8 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $155.
General payments to Dr. Willis by program year, 2018 to 2024
Companies that paid Dr. Willis the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William John Willis'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 (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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. William John Willis
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 John Willis' NPI number?
Dr. William John Willis' NPI number is 1700882180. It was assigned on June 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William John Willis?
Dr. William John Willis is an anesthesiologist in Newton, New Jersey. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. William John Willis practice?
Dr. Willis practices at 175 High St, Newton, NJ 07860. Dr. Willis' primary practice is Newton Medical Center in Newton, New Jersey, part of Atlantic Health System. Dmand AI also links Dr. Willis to 1 hospital and 1 medical group.
What is Dr. William John Willis' office phone number?
The practice phone on file for Dr. Willis is (973) 383-2121.
What is Dr. William John Willis' medical license number?
Dr. Willis holds New Jersey license 25MA05786500.
Which hospitals is Dr. William John Willis affiliated with?
Dr. Willis practices at Newton Medical Center in Newton, New Jersey. Dr. Willis is also affiliated with Morristown Medical Center. Dmand AI links Dr. Willis to 1 more hospital.
What medical group is Dr. William John Willis part of?
Dr. Willis is linked to Anesthesia Associates of Morristown. Dmand AI links Dr. Willis to 1 more medical group.
Does Dr. William John Willis accept Medicare?
Yes. CMS data shows Dr. Willis billed Medicare for 321 services in 2024, and Dr. Willis accepts Medicare assignment.
What is Dr. William John Willis' MIPS score?
Dr. Willis' MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Dr. William John Willis see?
CMS counts 420 Medicare patients who saw Dr. Willis in 2024, with an average age of 74.
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What services does Dr. William John Willis bill to Medicare?
In 2024, Dr. Willis' most billed Medicare services were anesthesia (00731), anesthesia (01922) and anesthesia (00811).
Has Dr. William John Willis received payments from drug or device companies?
CMS Open Payments shows $355 in general payments to Dr. Willis from 8 companies from 2018 to 2024. The largest total came from Medtronic, Inc.
How long has Dr. William John Willis been practicing?
Dr. Willis graduated from medical school in 1988, 38 years ago.
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