Dr. Benjamin Arthur Katz, MD
- Medicare services, 2020
- 11
- Medicare patients, 2024
- 18
- Part D claims, 2024
- 3,189
- Industry payments
- $382
- Affiliated sites
- 1
- Practice address
- 500 NE Multnomah St, Portland, OR 97232
- Practice phone
- Call (503) 813-2440
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Foundation Health Plan of the Northwest
Portland, Oregon
Find Dr. Katz's professional email, personal email and mobile number
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Dr. Benjamin Arthur Katz is an ophthalmologist in Portland, Oregon
Dr. Katz practices at Kaiser Foundation Health Plan of the Northwest in Portland, Oregon.
Dr. Katz's NPI, 1598907883, was assigned on April 1, 2009. Dr. Katz graduated from University of Texas Medical Branch at Galveston in 2009. Dr. Katz holds California license A125772.
- NPI
- 1598907883NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305088808
- NPI enumeration date
- April 1, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 813-2440
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Benjamin Arthur Katz practices at Kaiser Foundation Health Plan of the Northwest in Portland, Oregon
Dr. Katz's primary practice is Kaiser Foundation Health Plan of the Northwest, at 500 NE Multnomah St, Portland, OR 97232 in Multnomah County. The practice phone is (503) 813-2440.
- Kaiser Foundation Health Plan of the Northwest500 NE Multnomah St, Portland, OR 97232 · Multnomah CountyPhone(503) 813-2440
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Benjamin Arthur Katz is affiliated with 2 sites of care and 1 medical group
Dr. Katz's primary practice is Kaiser Foundation Health Plan of the Northwest in Portland, Oregon. The medical group on file is Kaiser Permanente Northwest. Dmand AI also links Dr. Katz to 1 more group practice or clinic, 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. Benjamin Arthur Katz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Katz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Foundation Health Plan of the Northwest | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Benjamin Arthur Katz is one of 272 ophthalmologists in Oregon
Ophthalmology is Dr. Katz's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Katz is licensed in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Ophthalmologists near Dr. Katz
Counts of ophthalmologists 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. Benjamin Arthur Katz billed Medicare for 11 services in 2020
CMS data shows 11 Medicare services from Dr. Katz across 1 procedure code in 2020, for 18 Medicare patients. Medicare paid $583 for them. Every service was in an office.
Dr. Katz's Medicare services by type, 2016 to 2020
- 2016
- 2020
- Tests and treatments
- 2016: 3312020: 1197%
- Surgery
- 2016: 492020: 0100%
- Office and hospital visits
- 2016: 1052020: 0100%
Dr. Katz compared with the Oregon median for ophthalmologists, 2020
- Dr. Katz
- Oregon median
- Medicare services
- 11vs 1,10099% below
- Medicare patients
- 18vs 49596% below
- Part D claims
- 3,110vs 5665.5 times
Medians across 288 ophthalmologists in Oregon with Dmand AI profiles that report each measure.
Dr. Katz's most billed Medicare procedure codes, 2020
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. Benjamin Arthur Katz treated 18 Medicare patients in 2024, average age 71
CMS counts 18 Medicare patients who saw Dr. Katz in 2024. 61% of them have high blood pressure. Their average risk score is 2.74, 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. Katz's median patient age at 61, with 65% women.
Chronic conditions among Dr. Katz's Medicare patients, 2024
- High blood pressure61%
Share of Medicare patients with each condition. A patient can have several.
Dr. Katz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Benjamin Arthur Katz wrote 3,189 Medicare Part D claims in 2024
In 2024, Dr. Katz wrote 3,189 Medicare Part D claims for 847 patients. 78% of them were for generic drugs. CMS names the drug for 3,110 of them, across 16 drugs with 11 or more claims each, at $128,779 in total drug cost. In 2023, CMS named 3,036 claims across 17 drugs.
Dr. Katz's Part D claims by kind of drug, 2024
- Generic2,474 claims78%
- Brand-name715 claims22%
Dr. Katz'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. Katz's Part D claims, 2024
- Antibiotics1%32 of 3,189 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: 3,0362024: 3,1102%
Drugs named by CMS: 16 in 2024, 17 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. Benjamin Arthur Katz takes part in Medicare
Dr. Katz 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. Benjamin Arthur Katz received $382 in industry payments from 2017 to 2025
CMS Open Payments shows 9 general payments to Dr. Katz from 5 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $221.
General payments to Dr. Katz by program year, 2017 to 2025
Companies that paid Dr. Katz the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Benjamin Arthur Katz graduated from University of Texas Medical Branch at Galveston
Dr. Katz graduated from University of Texas Medical Branch at Galveston in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Benjamin Arthur Katz'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) |
| 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. Benjamin Arthur Katz
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. Benjamin Arthur Katz's NPI number?
Dr. Benjamin Arthur Katz's NPI number is 1598907883. It was assigned on April 1, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Benjamin Arthur Katz?
Dr. Benjamin Arthur Katz is an ophthalmologist in Portland, Oregon. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Benjamin Arthur Katz practice?
Dr. Katz practices at 500 NE Multnomah St, Portland, OR 97232. Dr. Katz's primary practice is Kaiser Foundation Health Plan of the Northwest in Portland, Oregon. Dmand AI also links Dr. Katz to 1 group practice or clinic.
What is Dr. Benjamin Arthur Katz's office phone number?
The practice phone on file for Dr. Katz is (503) 813-2440.
What is Dr. Benjamin Arthur Katz's medical license number?
Dr. Katz holds California license A125772.
What medical group is Dr. Benjamin Arthur Katz part of?
Dr. Katz is linked to Kaiser Permanente Northwest.
Does Dr. Benjamin Arthur Katz accept Medicare?
Yes. CMS data shows Dr. Katz billed Medicare for 11 services in 2020, and Dr. Katz accepts Medicare assignment.
How many Medicare patients does Dr. Benjamin Arthur Katz see?
CMS counts 18 Medicare patients who saw Dr. Katz in 2024, with an average age of 71.
What services does Dr. Benjamin Arthur Katz bill to Medicare?
In 2020, Dr. Katz's most billed Medicare services were eye exam or test (92014).
Where did Dr. Benjamin Arthur Katz go to medical school?
Dr. Katz graduated from University of Texas Medical Branch at Galveston in 2009.
Show 3 more questionsShow fewer questions
What drugs does Dr. Benjamin Arthur Katz prescribe most?
In 2024 Medicare Part D data, Dr. Katz's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Dorzolamide-Timolol.
Has Dr. Benjamin Arthur Katz received payments from drug or device companies?
CMS Open Payments shows $382 in general payments to Dr. Katz from 5 companies from 2017 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Benjamin Arthur Katz been practicing?
Dr. Katz graduated from medical school in 2009, 17 years ago.
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