Dr. Darrell R. Cornelius, MD

  • Mount Vernon, WA
  • Urologist
NPI1639270812
Part D claims, 2016
119
Affiliated sites
1
Medical group
1
State licenses
2
Year NPI issued
2006
Practice address
1311 E Division St, Mount Vernon, WA 98274-4134
Practice phone
Call (360) 424-7991
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Northwest Urology Clinic

Surgical practice · Mount Vernon, Washington

See all 2 affiliations

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Dr. Darrell R. Cornelius is a urologist in Mount Vernon, Washington

Dr. Cornelius practices at Northwest Urology Clinic in Mount Vernon, Washington.

Dr. Cornelius' NPI, 1639270812, was assigned on September 26, 2006. Dr. Cornelius holds Washington license MD00018397.

NPI and contact details
NPI enumeration date
September 26, 2006
NPI status
Active
Practice phone
(360) 424-7991
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Darrell R. Cornelius practices at Northwest Urology Clinic in Mount Vernon, Washington

Dr. Cornelius' primary practice is Northwest Urology Clinic, at 1311 E Division St, Mount Vernon, WA 98274-4134. The practice phone is (360) 424-7991.

  • Northwest Urology Clinic
    1311 E Division St, Mount Vernon, WA 98274-4134Phone(360) 424-7991

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Darrell R. Cornelius is affiliated with 1 site of care and 1 medical group

Dr. Cornelius' primary practice is Northwest Urology Clinic in Mount Vernon, Washington. Dmand AI also links Dr. Cornelius to 1 medical group, named with a free account.

Northwest Urology ClinicSurgical practice · Mount Vernon, WashingtonPrimary
1 medical groupName with a free account
See all 2 affiliations for Dr. Cornelius

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. Darrell R. Cornelius' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cornelius practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northwest Urology ClinicAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Darrell R. Cornelius is one of 281 urologists in Washington

Urology is Dr. Cornelius' primary specialty in the NPI Registry, under taxonomy code 208800000X. Dmand AI has Dr. Cornelius' licenses on file in 2 states: Washington and Alaska.

Specialties and state licenses

  • Urology, WashingtonPrimaryLicense MD00018397 · taxonomy 208800000X
  • Alaska licenseLicense MD2086

Urologists near Dr. Cornelius

Counts of urologists with a Dmand AI profile, by place and practice. Each opens the list.

281urologists in Washington
8urologists in Mount Vernon

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Darrell R. Cornelius' patients have a median age of 73

Across all payers, Dmand AI patient panel data puts Dr. Cornelius' median patient age at 73, with 100% women.

Dr. Cornelius' 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

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

Dr. Darrell R. Cornelius wrote 119 Medicare Part D claims in 2016

In 2016, Dr. Cornelius wrote 119 Medicare Part D claims. They cover 3 drugs, with $4,671 in total drug cost.

Part D claims, 2016119
Drugs named by CMS3
Total drug cost$4,671

Dr. Cornelius' most prescribed drugs by claims, 2016

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Dr. Cornelius

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Sources for Dr. Darrell R. Cornelius's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Darrell R. Cornelius

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. Darrell R. Cornelius' NPI number?

Dr. Darrell R. Cornelius' NPI number is 1639270812. It was assigned on September 26, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Darrell R. Cornelius?

Dr. Darrell R. Cornelius is a urologist in Mount Vernon, Washington. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).

Where does Dr. Darrell R. Cornelius practice?

Dr. Cornelius practices at 1311 E Division St, Mount Vernon, WA 98274-4134. Dr. Cornelius' primary practice is Northwest Urology Clinic in Mount Vernon, Washington. Dmand AI also links Dr. Cornelius to 1 medical group.

What is Dr. Darrell R. Cornelius' office phone number?

The practice phone on file for Dr. Cornelius is (360) 424-7991.

What is Dr. Darrell R. Cornelius' medical license number?

Dr. Cornelius holds Washington license MD00018397, one of the licenses on file in 2 states.

Which states has Dr. Darrell R. Cornelius been licensed in?

Dmand AI has state licenses on file for Dr. Cornelius in Washington and Alaska.

What drugs does Dr. Darrell R. Cornelius prescribe most?

In 2016 Medicare Part D data, Dr. Cornelius' most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Nitrofurantoin.

How long has Dr. Darrell R. Cornelius been practicing?

Dr. Cornelius' NPI was assigned in 2006.

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