William H. Cho, M.D.
Urology Physician · Green Valley, AZ
William H. Cho, M.D. is a urology physician with a practice address in Green Valley, Arizona, and NPI 1356316228, issued on Feb 22, 2006. Check the license on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- William H. Cho
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License numbers
- C42239 CA
04-26098 KS
Self-reported in NPPES; status is on the state search - Practice location
- 4475 S I 19 Frontage RD Ste 255, Green Valley, AZ 85614
- Phone
- (520) 393-4863
- Enumerated
- Feb 22, 2006
- Record last updated
- Mar 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (833) 605-7237
- Medicaid IDs
- 100185280B KS
497557 AZ - Entity
- Type 1 · individual
8 nearest urology physician records → All 277 in Arizona → Look up another NPI →
Also registered at 4475 S I 19 Frontage RD Ste 255
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Khumalo, MDFamily Medicine Physician1679612618
- Lisa Olson, FNPFamily Nurse Practitioner1265925713
- Marvin Padnick, MDInterventional Cardiology Physician1235123365
- Niyatiben Patel, AGACNPAcute Care Nurse Practitioner1457829004
Verify William H. Cho in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average urology physician in 2024
501 Medicare Part D claims for 130 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Tamsulosin Hcl206 claims
- Finasteride144 claims
- Myrbetriq21 claims
- Ciprofloxacin Hcl20 claims
- Sulfamethoxazole-Trimethoprim14 claims
- Oxybutynin Chloride Er13 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.
The MIPS final score for 2023 (Medicare payment program): 96.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
William H. Cho among 277 urology physician records in Arizona
William H. Cho, M.D. is one of 277 urology 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 18% of them.
- NPI issued2006 · 18% of these records are older, 50% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2021 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Arizona
There are 277 urology physician records in Arizona.
All 277 in Arizona → Every provider in Green Valley → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Alfredo Guevara, MD FACSNogales, AZ 856211184612376
- Anthony Nazaroff, M.D.Bisbee, AZ 856031235249251
- Jeffrey Wolk, MDSierra Vista, AZ 856501184649634
- Michael Marmer, M.D.Payson, AZ 855411720156284
- Kenneth Belkoff, DOTucson, AZ 857041760410526
- Arthur Caire, M.D.Tucson, AZ 857041346474913
- Jenne Myers, MDTucson, AZ 857041396773057
- Michael PattonTucson, AZ 857041669859153
Common questions
What is William H. Cho, M.D.'s NPI number?
William H. Cho, M.D.'s National Provider Identifier (NPI) is 1356316228, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William H. Cho, M.D. located?
The NPPES record lists a practice address at 4475 S I 19 Frontage RD Ste 255, Green Valley, AZ, 85614. Phone: (520) 393-4863. Providers update this record themselves, so call before visiting.
How can I verify William H. Cho, M.D.'s license?
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 H. Cho, M.D. prescribe under Medicare Part D?
In 2024, William H. Cho, M.D. had 501 Medicare Part D claims for 130 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is William H. Cho, M.D.'s MIPS final score?
The 2023 MIPS final score is 96.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.