Dr. William James Cowden, MD
- Medicare services, 2022
- 68
- Medicare patients, 2024
- 19
- Part D claims, 2022
- 16
- Hospital affiliations
- 1
- Industry payments
- $218
- Practice address
- 2601 East Roosevelt Street, Phoenix, AZ 85008
- Practice phone
- Call (602) 344-5011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Cowden's professional email, personal email and mobile number
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Dr. William James Cowden is a general surgeon in Phoenix, Arizona
Dr. Cowden practices at Valleywise Health Medical Center in Phoenix, Arizona, part of Valleywise Health.
Dr. Cowden's NPI, 1033384904, was assigned on April 23, 2008. Dr. Cowden graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2004. Dr. Cowden holds Arizona license 63152.
- NPI
- 1033384904NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890849871
- NPI enumeration date
- April 23, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (602) 344-5011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William James Cowden practices at Valleywise Health Medical Center in Phoenix, Arizona
Dr. Cowden's primary practice is Valleywise Health Medical Center, at 2601 East Roosevelt Street, Phoenix, AZ 85008 in Maricopa County. The practice phone is (602) 344-5011.
- Valleywise Health Medical Center2601 East Roosevelt Street, Phoenix, AZ 85008 · Maricopa CountyPhone(602) 344-5011
Source: Dmand AI Affiliation Data
Dr. William James Cowden is affiliated with 3 sites of care and 2 medical groups
Dr. Cowden's primary practice is Valleywise Health Medical Center in Phoenix, Arizona, part of Valleywise Health. The medical group on file is District Medical Group. Dmand AI also links Dr. Cowden to 1 more dialysis center, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William James Cowden's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cowden practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Valleywise Health Medical Center | Available with a free account |
| +2 more sites and 1 medical group | 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 Valleywise Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William James Cowden is one of 617 general surgeons in Arizona
Surgery is Dr. Cowden's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Cowden's licenses on file in 2 states: Arizona and Illinois.
Specialties and state licenses
- Surgery, ArizonaPrimary
- Illinois license
General surgeons near Dr. Cowden
Counts of general surgeons 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. William James Cowden billed Medicare for 68 services in 2022
CMS data shows 68 Medicare services from Dr. Cowden across 4 procedure codes in 2022, for 19 Medicare patients. Medicare paid $4,762 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Cowden's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 2292022: 6870%
Dr. Cowden compared with the Arizona median for general surgeons, 2022
- Dr. Cowden
- Arizona median
- Medicare services
- 68vs 16258% below
- Medicare patients
- 19vs 11684% below
- Part D claims
- 16vs 3148% below
Medians across 545 general surgeons in Arizona with Dmand AI profiles that report each measure.
Dr. Cowden'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 Dr. Cowden?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cowden and other general surgeons in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William James Cowden treated 19 Medicare patients in 2024, average age 69
CMS counts 19 Medicare patients who saw Dr. Cowden in 2024. 75% of them have high blood pressure, and 74% have high cholesterol. Their average risk score is 1.91, 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. Cowden's median patient age at 46, with 53% women.
Chronic conditions among Dr. Cowden's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis68%
Share of Medicare patients with each condition. A patient can have several.
Dr. Cowden's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William James Cowden wrote 16 Medicare Part D claims in 2022
In 2022, Dr. Cowden wrote 16 Medicare Part D claims. They cover 1 drug, with $202 in total drug cost. In 2021, CMS named 28 claims across 1 drug.
Dr. Cowden's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 282022: 1643%
Drugs named by CMS: 1 in 2022, 1 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. William James Cowden takes part in Medicare
Dr. Cowden accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of tissue: 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 James Cowden received $218 in industry payments from 2016 to 2021
CMS Open Payments shows 9 general payments to Dr. Cowden from 5 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. CONMED Corporation paid the most, $83.
General payments to Dr. Cowden by program year, 2016 to 2021
Companies that paid Dr. Cowden the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William James Cowden graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Cowden graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William James Cowden'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 and Drug (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. William James Cowden
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 James Cowden's NPI number?
Dr. William James Cowden's NPI number is 1033384904. It was assigned on April 23, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. William James Cowden?
Dr. William James Cowden is a general surgeon in Phoenix, Arizona. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. William James Cowden practice?
Dr. Cowden practices at 2601 East Roosevelt Street, Phoenix, AZ 85008. Dr. Cowden's primary practice is Valleywise Health Medical Center in Phoenix, Arizona, part of Valleywise Health. Dmand AI also links Dr. Cowden to 1 dialysis center, 1 group practice or clinic and 1 medical group.
What is Dr. William James Cowden's office phone number?
The practice phone on file for Dr. Cowden is (602) 344-5011.
What is Dr. William James Cowden's medical license number?
Dr. Cowden holds Arizona license 63152, one of the licenses on file in 2 states.
Which states has Dr. William James Cowden been licensed in?
Dmand AI has state licenses on file for Dr. Cowden in Arizona and Illinois.
Which hospitals is Dr. William James Cowden affiliated with?
Dr. Cowden practices at Valleywise Health Medical Center in Phoenix, Arizona.
What medical group is Dr. William James Cowden part of?
Dr. Cowden is linked to District Medical Group. Dmand AI links Dr. Cowden to 1 more medical group.
Does Dr. William James Cowden accept Medicare?
Yes. CMS data shows Dr. Cowden billed Medicare for 68 services in 2022, and Dr. Cowden accepts Medicare assignment.
How many Medicare patients does Dr. William James Cowden see?
CMS counts 19 Medicare patients who saw Dr. Cowden in 2024, with an average age of 69.
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What services does Dr. William James Cowden bill to Medicare?
In 2022, Dr. Cowden's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and hospital inpatient care (99221).
Where did Dr. William James Cowden go to medical school?
Dr. Cowden graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2004.
What drugs does Dr. William James Cowden prescribe most?
In 2022 Medicare Part D data, Dr. Cowden's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. William James Cowden received payments from drug or device companies?
CMS Open Payments shows $218 in general payments to Dr. Cowden from 5 companies from 2016 to 2021. The largest total came from CONMED Corporation.
How long has Dr. William James Cowden been practicing?
Dr. Cowden graduated from medical school in 2004, 22 years ago.
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