William K. Kvien, MD
Emergency Medicine Physician · Winslow, AZ
William K. Kvien, MD is an emergency medicine physician with a practice address in Winslow, Arizona, and NPI 1235148784, issued on Aug 5, 2006. Check the license (Arizona 15772, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- William K. Kvien
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 15772 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1501 N Williamson Ave, Winslow, AZ 86047
- Phone
- (928) 289-4691
- Enumerated
- Aug 5, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 18478904 AZ
- Medicare enrollment
- Enrolled (PECOS I20090105000118); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1981
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Also registered at 1501 N Williamson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ralph Day, MDEmergency Medicine Physician1184648255
- Bryan Feinstein, MDEmergency Medicine Physician1417419771
- Vinicius Knabben, M.D.Emergency Medicine Physician1558718619
- Dale NortonFamily Nurse Practitioner1205553245
- Caterina Palumbo, MDEmergency Medicine Physician1033557400
- Thayer Phelan, MDEmergency Medicine Physician1821209354
Verify William K. Kvien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 15772Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8.1 times the Medicare Part D claims of the average emergency medicine physician in 2024
1,820 Medicare Part D claims for 93 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Atorvastatin Calcium216 claims
- Lisinopril151 claims
- Amlodipine Besylate96 claims
- Metformin Hcl Er96 claims
- Losartan Potassium89 claims
- Tamsulosin Hcl82 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Winslow Indian Health Care Center IncLeupp, AZ
- Winslow Memorial Hospital IncWinslow, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William K. Kvien among 1,494 emergency medicine physician records in Arizona
William K. Kvien, MD is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 62% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1981 · median 2014 among the 828 with a school on file
- Record last updated2007 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 emergency medicine physician records list a practice address in Winslow
They are 8 of the 259 NPPES records with a practice address in Winslow, and 1,494 emergency medicine physician records in Arizona.
All 1,494 in Arizona → Every provider in Winslow → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ralph Day, MDWinslow, AZ 860471184648255
- Bryan Feinstein, MDWinslow, AZ 860471417419771
- Vinicius Knabben, M.D.Winslow, AZ 860471558718619
- Caterina Palumbo, MDWinslow, AZ 860471033557400
- Thayer Phelan, MDWinslow, AZ 860471821209354
- Jordan Price, DOWinslow, AZ 860471780179259
- Jason Taylor, DOWinslow, AZ 860471003908195
- Dana Ger, M.D.Williams, AZ 860461780694802
Common questions
What is William K. Kvien, MD's NPI number?
William K. Kvien, MD's National Provider Identifier (NPI) is 1235148784, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William K. Kvien, MD located?
The NPPES record lists a practice address at 1501 N Williamson Ave, Winslow, AZ, 86047. Phone: (928) 289-4691. Providers update this record themselves, so call before visiting.
How can I verify William K. Kvien, MD's license?
NPPES lists Arizona license number 15772, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William K. Kvien, MD prescribe under Medicare Part D?
In 2024, William K. Kvien, MD had 1,820 Medicare Part D claims for 93 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.