Wina Poriescha Yousman, M.D.
Internal Medicine Physician · Flagstaff, AZ
Wina Poriescha Yousman, M.D. is an internal medicine physician with a practice address in Flagstaff, Arizona, and NPI 1275981458, issued on May 29, 2016. Check the license (Arizona 60584, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Wina Poriescha Yousman
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 60584 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 617 N Humphreys St Ste 102, Flagstaff, AZ 86001
- Phone
- (480) 610-6100
- Enumerated
- May 29, 2016
- Record last updated
- Sep 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210225001906); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 617 N Humphreys St Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wei Xiang WongNephrology Physician1639551526
Verify Wina Poriescha Yousman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 60584Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average internal medicine physician in 2024
729 Medicare Part D claims for 154 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Furosemide74 claims
- Lisinopril52 claims
- Sevelamer Carbonate36 claims
- Losartan Potassium34 claims
- Allopurinol32 claims
- Amlodipine Besylate32 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.
Industry payments in 2024: $154.68
7 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Dhhs Phs Naihs Chinle Comprehensive Health Care FacilityChinle, AZ
- Southwest Kidney Institute PLCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wina Poriescha Yousman among 2,853 internal medicine physician records in Arizona
Wina Poriescha Yousman, M.D. is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 73% of them.
- NPI issued2016 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2010 · median 2003 among the 1,643 with a school on file
- Record last updated2021 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Arizona
There are 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Flagstaff → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jane Bigler, MDFlagstaff, AZ 860011285607952
- Heather Crittenden, MDFlagstaff, AZ 860011467448142
- Bradley Dixon, MDFlagstaff, AZ 860011053393363
- Margaret Donnelly, MDFlagstaff, AZ 860011316924905
- Sharon Drake, D.O.Flagstaff, AZ 860011801996632
- Mark Foster, M.D.Flagstaff, AZ 860011710950480
- James Galloway, MDFlagstaff, AZ 860011053427229
- Thomas Ho, M.D.Flagstaff, AZ 860011538154505
Common questions
What is Wina Poriescha Yousman, M.D.'s NPI number?
Wina Poriescha Yousman, M.D.'s National Provider Identifier (NPI) is 1275981458, issued on May 29, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Wina Poriescha Yousman, M.D. located?
The NPPES record lists a practice address at 617 N Humphreys St Ste 102, Flagstaff, AZ, 86001. Phone: (480) 610-6100. Providers update this record themselves, so call before visiting.
How can I verify Wina Poriescha Yousman, M.D.'s license?
NPPES lists Arizona license number 60584, 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 Wina Poriescha Yousman, M.D. prescribe under Medicare Part D?
In 2024, Wina Poriescha Yousman, M.D. had 729 Medicare Part D claims for 154 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.