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Dr. William S. Kass, MD
NPI1104386218PAC ID0143674903
- Medicare services, 2024
- 115
- Medicare patients, 2024
- 44
- Part D claims, 2024
- 1,654
- Publications
- 2
- Industry payments
- $124
- Practice address
- 90-16 Elmhurst Ave, Jackson Heights, NY 11372
- Practice phone
- Call (516) 681-3937
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Malik Eye Care
Jackson Heights, New York
Find Dr. Kass' professional email, personal email and mobile number
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Dr. William S. Kass is an ophthalmologist in Jackson Heights, New York
Dr. Kass practices at Malik Eye Care in Jackson Heights, New York.
Dr. Kass' NPI, 1104386218, was assigned on March 24, 2019. Dr. Kass graduated from Rutgers New Jersey Medical School in 2019. Dr. Kass holds New York license 321874.
NPI and contact details
- NPI
- 1104386218NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143674903
- NPI enumeration date
- March 24, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (516) 681-3937
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William S. Kass practices at Malik Eye Care in Jackson Heights, New York
Dr. Kass' primary practice is Malik Eye Care, at 90-16 Elmhurst Ave, Jackson Heights, NY 11372 in Queens County. The practice phone is (516) 681-3937.
- Malik Eye Care90-16 Elmhurst Ave, Jackson Heights, NY 11372 · Queens CountyPhone(516) 681-3937
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William S. Kass is affiliated with 2 sites of care and 1 medical group
Dr. Kass' primary practice is Malik Eye Care in Jackson Heights, New York. Dmand AI also links Dr. Kass to 1 group practice or clinic and 1 medical group, each named with a free account.
Malik Eye CarePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William S. Kass' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kass practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Malik Eye Care | 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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Dr. William S. Kass is one of 1,467 ophthalmologists in New York
Ophthalmology is Dr. Kass' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Kass is licensed in New York.
Specialties and state licenses
- Ophthalmology, New YorkPrimary
Ophthalmologists near Dr. Kass
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
1,467ophthalmologists in New York
4ophthalmologists in Jackson Heights
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William S. Kass billed Medicare for 115 services in 2024
CMS data shows 115 Medicare services from Dr. Kass across 7 procedure codes in 2024, for 44 Medicare patients. Medicare paid $6,351 for them. Every service was in an office.
Medicare services, 2024115
Medicare patients44
Paid by Medicare$6,351
Procedure codes7
Dr. Kass' Medicare services by type, 2024
- Tests and treatments65
- Office and hospital visits50
Dr. Kass compared with the New York median for ophthalmologists, 2024
- Dr. Kass
- New York median
- Medicare services
- 115vs 1,25891% below
- Medicare patients
- 44vs 43690% below
- Part D claims
- 1,594vs 6472.5 times
Medians across 1,557 ophthalmologists in New York with Dmand AI profiles that report each measure.
Dr. Kass' 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 Dr. Kass and other ophthalmologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William S. Kass treated 44 Medicare patients in 2024, average age 74
CMS counts 44 Medicare patients who saw Dr. Kass in 2024. The largest group is 65 to 74, with 24 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 59% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kass' median patient age at 58, with 62% women.
Medicare patients, 202444
Average age74
Average risk score1.03
Also on Medicaid59%
Dr. Kass' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kass' Medicare patients by sex, 2024
- Women3170%
- Men1330%
Chronic conditions among Dr. Kass' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes45%
- Arthritis41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kass' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William S. Kass wrote 1,654 Medicare Part D claims in 2024
In 2024, Dr. Kass wrote 1,654 Medicare Part D claims for 325 patients. 57% of them were for generic drugs. CMS names the drug for 1,594 of them, across 21 drugs with 11 or more claims each, at $176,755 in total drug cost. In 2023, CMS named 196 claims across 5 drugs.
Part D claims, 20241,654
Drugs named by CMS21
Total drug cost$176,755
Part D patients325
Dr. Kass' Part D claims by kind of drug, 2024
- Generic944 claims57%
- Brand-name710 claims43%
Dr. Kass' 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1962024: 1,594713%
Drugs named by CMS: 21 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
How Dr. William S. Kass takes part in Medicare
Dr. Kass accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 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. William S. Kass has 2 publications on record
Dmand AI links 2 papers to Dr. Kass, published from 2019 to 2022. Dr. Kass' most frequent co-authors are Subhashini Chandrasekaran, MD and Peter Khouri, MD.
Papers2
Years published2019 to 2022
Dr. Kass' most frequent co-authors
Recent publications by Dr. Kass
See who Dr. Kass researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kass works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William S. Kass received $124 in industry payments from 2024 to 2025
CMS Open Payments shows 6 general payments to Dr. Kass from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Astellas Pharma US Inc paid the most, $59.
General payments to Dr. Kass by program year, 2024 to 2025
Companies that paid Dr. Kass the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William S. Kass graduated from Rutgers New Jersey Medical School
Dr. Kass graduated from Rutgers New Jersey Medical School in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William S. Kass'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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. William S. Kass
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 S. Kass' NPI number?
Dr. William S. Kass' NPI number is 1104386218. It was assigned on March 24, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. William S. Kass?
Dr. William S. Kass is an ophthalmologist in Jackson Heights, New York. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. William S. Kass practice?
Dr. Kass practices at 90-16 Elmhurst Ave, Jackson Heights, NY 11372. Dr. Kass' primary practice is Malik Eye Care in Jackson Heights, New York. Dmand AI also links Dr. Kass to 1 group practice or clinic and 1 medical group.
What is Dr. William S. Kass' office phone number?
The practice phone on file for Dr. Kass is (516) 681-3937.
What is Dr. William S. Kass' medical license number?
Dr. Kass holds New York license 321874.
Does Dr. William S. Kass accept Medicare?
Yes. CMS data shows Dr. Kass billed Medicare for 115 services in 2024, and Dr. Kass accepts Medicare assignment.
How many Medicare patients does Dr. William S. Kass see?
CMS counts 44 Medicare patients who saw Dr. Kass in 2024, with an average age of 74.
What services does Dr. William S. Kass bill to Medicare?
In 2024, Dr. Kass' most billed Medicare services were eye exam or test (92250), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. William S. Kass go to medical school?
Dr. Kass graduated from Rutgers New Jersey Medical School in 2019.
What drugs does Dr. William S. Kass prescribe most?
In 2024 Medicare Part D data, Dr. Kass' most prescribed drugs by claims were Latanoprost, Brimonidine Tartrate and Dorzolamide-Timolol.
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Has Dr. William S. Kass received payments from drug or device companies?
CMS Open Payments shows $124 in general payments to Dr. Kass from 3 companies from 2024 to 2025. The largest total came from Astellas Pharma US Inc.
How long has Dr. William S. Kass been practicing?
Dr. Kass graduated from medical school in 2019, 7 years ago.
Does Dr. William S. Kass do research?
Dmand AI links 2 publications to Dr. Kass, published from 2019 to 2022.
Who does Dr. William S. Kass publish with?
Dr. Kass' most frequent co-authors are Subhashini Chandrasekaran, MD (1 shared paper) and Peter Khouri, MD (1 shared paper).
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