William E. Penza, PA-C
- Medicare services, 2024
- 33
- Medicare patients, 2024
- 59
- Part D claims, 2024
- 24
- MIPS score, 2024
- 93
- Hospital affiliations
- 2
- Practice address
- 300 Community Drive, Manhasset, NY 11030
- Practice phone
- Call (516) 562-0100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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William E. Penza is a physician assistant in Manhasset, New York
William Penza practices at North Shore University Hospital in Manhasset, New York, part of Northwell Health.
William Penza's NPI, 1760938955, was assigned on August 29, 2016. William Penza holds New York license 020035.
- NPI
- 1760938955NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870851454
- NPI enumeration date
- August 29, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (516) 562-0100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William E. Penza practices at North Shore University Hospital in Manhasset, New York
William Penza's primary practice is North Shore University Hospital, at 300 Community Drive, Manhasset, NY 11030 in Nassau County. The practice phone is (516) 562-0100.
- North Shore University Hospital300 Community Drive, Manhasset, NY 11030 · Nassau CountyPhone(516) 562-0100
Source: Dmand AI Affiliation Data
William E. Penza is affiliated with 2 sites of care and 2 medical groups
William Penza's primary practice is North Shore University Hospital in Manhasset, New York, part of Northwell Health. William Penza is also affiliated with Huntington Hospital. The medical group on file is Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI also links William Penza to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William E. Penza's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Penza practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| North Shore University Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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William E. Penza is one of 11,456 physician assistants in New York
Physician assistant is William Penza's primary specialty in the NPI Registry, under taxonomy code 363A00000X. William Penza is licensed in New York.
Specialties and state licenses
- Physician assistant, New YorkPrimary
Physician assistants near William Penza
Counts of physician assistants 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
William E. Penza billed Medicare for 33 services in 2024
CMS data shows 33 Medicare services from William Penza across 2 procedure codes in 2024, for 59 Medicare patients. Medicare paid $2,056 for them. Every service was in a facility, such as a hospital, rather than an office.
William Penza compared with the New York median for physician assistants, 2024
- William Penza
- New York median
- Medicare services
- 33vs 17681% below
- Medicare patients
- 59vs 7824% below
Medians across 6,477 physician assistants in New York with Dmand AI profiles that report each measure.
William Penza'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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Medicare shows one payer. Book a meeting to get commercial claims data for William Penza and other physician assistants in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
William E. Penza treated 59 Medicare patients in 2024, average age 81
CMS counts 59 Medicare patients who saw William Penza in 2024. The largest group is 85 and over, with 24 patients. 75% of them have arthritis, and 75% have high blood pressure. 24% are also on Medicaid. Their average risk score is 2.21, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts William Penza's median patient age at 76, with 54% women.
William Penza's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Penza's Medicare patients by sex, 2024
- Women3254%
- Men2746%
Chronic conditions among William Penza's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA68%
- Ischemic heart disease63%
- Atrial fibrillation47%
- Diabetes44%
- Anxiety39%
Share of Medicare patients with each condition. A patient can have several.
William Penza's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women54%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William E. Penza wrote 24 Medicare Part D claims in 2024
In 2024, William Penza wrote 24 Medicare Part D claims for 14 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in William Penza's Part D claims, 2024
- Opioids46%11 of 24 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
William E. Penza scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for William Penza for performance year 2024, reported through an alternative payment model (APM). William Penza accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
William Penza's MIPS scores, performance year 2024
- 93of 100Final score
- 79.8of 100Quality
- 89of 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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William E. Penza received $123 in industry payments in 2025
CMS Open Payments shows 1 general payment to William Penza from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. UCB, Inc. paid the most, $123.
Companies that paid William Penza the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for William E. Penza'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 William E. Penza
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William E. Penza's NPI number?
William E. Penza's NPI number is 1760938955. It was assigned on August 29, 2016, and it is active in the NPI Registry.
What does William E. Penza specialize in?
William E. Penza is a physician assistant in Manhasset, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does William E. Penza practice?
William Penza practices at 300 Community Drive, Manhasset, NY 11030. William Penza's primary practice is North Shore University Hospital in Manhasset, New York, part of Northwell Health. Dmand AI also links William Penza to 1 medical group.
What is William E. Penza's office phone number?
The practice phone on file for William Penza is (516) 562-0100.
What is William E. Penza's medical license number?
William Penza holds New York license 020035.
Which hospitals is William E. Penza affiliated with?
William Penza practices at North Shore University Hospital in Manhasset, New York. William Penza is also affiliated with Huntington Hospital.
What medical group is William E. Penza part of?
William Penza is linked to Northwell Health Physician Partners Cardiology at Great Neck. Dmand AI links William Penza to 1 more medical group.
Does William E. Penza accept Medicare?
Yes. CMS data shows William Penza billed Medicare for 33 services in 2024, and William Penza accepts Medicare assignment.
What is William E. Penza's MIPS score?
William Penza's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does William E. Penza see?
CMS counts 59 Medicare patients who saw William Penza in 2024, with an average age of 81.
Show 3 more questionsShow fewer questions
What services does William E. Penza bill to Medicare?
In 2024, William Penza's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99221).
Has William E. Penza received payments from drug or device companies?
CMS Open Payments shows $123 in general payments to William Penza from 1 company from 2025 to 2025. The largest total came from UCB, Inc.
How long has William E. Penza been practicing?
William Penza graduated from medical school in 2016, 10 years ago.
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