William R. Clark II
- Medicare services, 2022
- 107
- Part D claims, 2024
- 315
- Publications
- 1
- Clinical trials
- 3
- Hospital affiliations
- 1
- Practice address
- 3100 Tongass Avenue, Ketchikan, AK 99901
- Practice phone
- Call (907) 225-5171
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find William Clark's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
William R. Clark II is a urologist in Ketchikan, Alaska
William Clark practices at PeaceHealth Ketchikan Medical Center in Ketchikan, Alaska, part of PeaceHealth.
William Clark's NPI, 1073567079, was assigned on May 22, 2006. William Clark graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1978. William Clark holds Washington license MD61117110.
- NPI
- 1073567079NPI Registry (opens in a new tab)
- NPI enumeration date
- May 22, 2006
- NPI status
- Active
- Practice phone
- (907) 225-5171
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
William R. Clark II practices at PeaceHealth Ketchikan Medical Center in Ketchikan, Alaska
William Clark's primary practice is PeaceHealth Ketchikan Medical Center, at 3100 Tongass Avenue, Ketchikan, AK 99901 in Ketchikan Gateway Borough. The practice phone is (907) 225-5171.
- PeaceHealth Ketchikan Medical Center3100 Tongass Avenue, Ketchikan, AK 99901 · Ketchikan Gateway BoroughPhone(907) 225-5171
Source: Dmand AI Affiliation Data
William R. Clark II is affiliated with 2 sites of care and 3 medical groups
William Clark's primary practice is PeaceHealth Ketchikan Medical Center in Ketchikan, Alaska, part of PeaceHealth. The medical group on file is PeaceHealth Ketchikan Medical Center. Dmand AI also links William Clark to 2 more medical groups and 1 physician office, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William R. Clark II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Clark practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| PeaceHealth Ketchikan Medical Center | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across PeaceHealth and 6.2K+ hospitals, with verified contacts in the same login.
William R. Clark II is one of 27 urologists in Alaska
Urology is William Clark's primary specialty in the NPI Registry, under taxonomy code 208800000X. William Clark is board certified in urology by the American Board of Urology. Dmand AI has William Clark's licenses on file in 4 states: Washington, Alaska, Illinois and Minnesota.
Specialties and state licenses
- Urology, WashingtonPrimary
- Alaska license
- Illinois license
- Minnesota license
Clinical focus
Dmand AI lists kidney stone disease, prostate cancer and urinary endoscopy among the conditions William Clark treats.
Urologists near William Clark
Counts of urologists 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 R. Clark II billed Medicare for 107 services in 2022
CMS data shows 107 Medicare services from William Clark across 3 procedure codes in 2022, all of them office visits. Medicare paid $13,222 for them. Every service was in an office.
William Clark's Medicare services by type, 2020 to 2022
- 2020
- 2022
- Office and hospital visits
- 2020: 1,1702022: 10791%
- Drugs given in the office
- 2020: 23,8992022: 0100%
- Imaging
- 2020: 1662022: 0100%
- Tests and treatments
- 2020: 2042022: 0100%
- Surgery
- 2020: 2442022: 0100%
William Clark compared with the Alaska median for urologists, 2022
- William Clark
- Alaska median
- Medicare services
- 107vs 49979% below
- Part D claims
- 239vs 242Close to median
Medians across 28 urologists in Alaska with Dmand AI profiles that report each measure.
William Clark's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for William Clark?
Medicare shows one payer. Book a meeting to get commercial claims data for William Clark and other urologists in Alaska.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
William R. Clark II's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts William Clark's median patient age at 73, with 27% women.
William Clark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women27%
- Men72%
Source: Dmand AI Patient Panel Data
William R. Clark II wrote 315 Medicare Part D claims in 2024
In 2024, William Clark wrote 315 Medicare Part D claims for 82 patients. 92% of them were for generic drugs. CMS names the drug for 239 of them, across 9 drugs with 11 or more claims each, at $12,745 in total drug cost. In 2023, CMS named 239 claims across 7 drugs.
William Clark's Part D claims by kind of drug, 2024
- Generic289 claims92%
- Brand-name26 claims8%
William Clark'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 William Clark's Part D claims, 2024
- Antibiotics6%20 of 315 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: 2392024: 239No change
Drugs named by CMS: 9 in 2024, 7 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
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William R. Clark II has 1 publication on record
Dmand AI links 1 paper to William Clark in 2017. William Clark's most frequent co-authors are Nizar Abdelfattah, MD, Srinivas Reddy Sadda, MD and Charles Clifton Wykoff, MD, PhD.
William Clark's most frequent co-authors
- Nizar Abdelfattah, MD1 shared paper
- Srinivas Reddy Sadda, MD1 shared paper
- Charles Clifton Wykoff, MD, PhD1 shared paper
Recent publications by William Clark
See who William Clark researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who William Clark works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
William R. Clark II has worked on 3 clinical trials
Dmand AI links William Clark to 3 clinical trials. 1 is still active or recruiting. Conditions studied include Mesothelioma, Non-Muscle Invasive Bladder Neoplasms and Neoplasms, Mesothelial.
Clinical trials with William Clark by phase
- NonePhase 1: no trials
- 1Phase 2: 1 trial
- 1Phase 2/3: 1 trial
- NonePhase 3: no trials
- NonePhase 4: no trials
Conditions in William Clark's trials
- Mesothelioma
- Non-Muscle Invasive Bladder Neoplasms
- Neoplasms, Mesothelial
- Urinary Bladder Neoplasms
Investigators on the most trials with William Clark
- Ernest H. Agatstein, MD1 shared trial
- Rafat H. Ansari, MD1 shared trial
- James L. Bailen, MD1 shared trial
Recent clinical trials with William Clark
QUILT-3.032: A Multicenter Clinical Trial of Intravesical Bacillus Calmette-Guerin (BCG) in Combination With ALT-803 (N-803) in Patients With BCG Unresponsive High Grade Non-Muscle Invasive Bladder Cancer (opens in a new tab)
LEE011 for Patients With CDK4/6 Pathway Activated Tumors (SIGNATURE) (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
William R. Clark II received $19,786 in industry payments from 2016 to 2024
CMS Open Payments shows 210 general payments to William Clark from 36 drug and device companies from 2016 to 2024. Travel and lodging make up the largest share, 44% of the total. Astellas Pharma Global Development paid the most, $6,173. It also lists 17 research payments totaling $8,482 from 2016 to 2019.
General payments to William Clark by program year, 2016 to 2024
General payments to William Clark by kind, 2016 to 2024
- Travel and lodging$8,75944%
- Food and beverage$5,87430%
- Consulting fees$4,93025%
- Education$2231%
Companies that paid William Clark the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
William R. Clark II graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science
William Clark graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1978.
- Medical school
- Board certified in urology
Source: Dmand AI Professional Profile Data
William R. Clark II accepts plans from 5 insurance carriers
William Clark is in network with 5 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- AK State Medicaid
- CMS Medicare
Plan types William Clark accepts, by number of carriers
- HMO3
- Medicare3
- POS3
- PPO3
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for William R. Clark II'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 Data |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 William R. Clark II
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 R. Clark II's NPI number?
William R. Clark II's NPI number is 1073567079. It was assigned on May 22, 2006, and it is active in the NPI Registry.
What does William R. Clark II specialize in?
William R. Clark II is a urologist in Ketchikan, Alaska. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does William R. Clark II practice?
William Clark practices at 3100 Tongass Avenue, Ketchikan, AK 99901. William Clark's primary practice is PeaceHealth Ketchikan Medical Center in Ketchikan, Alaska, part of PeaceHealth. Dmand AI also links William Clark to 2 medical groups and 1 physician office.
What is William R. Clark II's office phone number?
The practice phone on file for William Clark is (907) 225-5171.
What is William R. Clark II's medical license number?
William Clark holds Washington license MD61117110, one of the licenses on file in 4 states.
Which states has William R. Clark II been licensed in?
Dmand AI has state licenses on file for William Clark in Washington (2020 to 2026), Alaska (1979 to 2026), Illinois (1980 to 2026) and Minnesota (1982 to 1986).
Which hospitals is William R. Clark II affiliated with?
William Clark practices at PeaceHealth Ketchikan Medical Center in Ketchikan, Alaska.
What medical group is William R. Clark II part of?
William Clark is linked to PeaceHealth Ketchikan Medical Center. Dmand AI links William Clark to 2 more medical groups.
Does William R. Clark II accept Medicare?
Yes. CMS data shows William Clark billed Medicare for 107 services in 2022.
Is William R. Clark II board certified?
Yes. William Clark is board certified in urology by the American Board of Urology.
Show 8 more questionsShow fewer questions
What services does William R. Clark II bill to Medicare?
In 2022, William Clark's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, established patient (99215).
Where did William R. Clark II go to medical school?
William Clark graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1978.
What drugs does William R. Clark II prescribe most?
In 2024 Medicare Part D data, William Clark's most prescribed drugs by claims were Tamsulosin HCl, Allopurinol and Finasteride.
Has William R. Clark II received payments from drug or device companies?
CMS Open Payments shows $19,786 in general payments to William Clark from 36 companies from 2016 to 2024. The largest total came from Astellas Pharma Global Development.
How long has William R. Clark II been practicing?
William Clark graduated from medical school in 1978, 48 years ago.
Does William R. Clark II do research?
Dmand AI links 1 publication to William Clark. William Clark has worked on 3 clinical trials.
Who does William R. Clark II publish with?
William Clark's most frequent co-authors are Nizar Abdelfattah, MD (1 shared paper), Srinivas Reddy Sadda, MD (1 shared paper) and Charles Clifton Wykoff, MD, PhD (1 shared paper).
What insurance does William R. Clark II accept?
William Clark is in network with 5 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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