Steven T. Hoshiwara, M.D.
Family Medicine Physician · Paradise Valley, AZ
Steven T. Hoshiwara, M.D. is a family medicine physician with a practice address in Paradise Valley, Arizona, and NPI 1093760423, issued on May 24, 2006. Check the license (Arizona 19075, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Steven T. Hoshiwara
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 19075 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 10595 N Tatum Blvd Ste E144, Paradise Valley, AZ 85253
- Phone
- (480) 907-7978
- Enumerated
- May 24, 2006
- Record last updated
- Nov 28, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (480) 588-7340
- Medicaid ID
- 133174 AZ
- Medicare enrollment
- Enrolled (PECOS I20040901000719); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Also registered at 10595 N Tatum Blvd Ste E144
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paul Coulombe, MDFamily Medicine Physician1962441139
Verify Steven T. Hoshiwara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 19075Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average family medicine physician in 2024
3,650 Medicare Part D claims for 243 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 62 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium274 claims
- Atorvastatin Calcium217 claims
- Levothyroxine Sodium194 claims
- Amlodipine Besylate146 claims
- Lisinopril128 claims
- Losartan Potassium124 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 practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Covenant Care Family Medicine IncParadise Valley, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven T. Hoshiwara among 3,119 family medicine physician records in Arizona
Steven T. Hoshiwara, M.D. is one of 3,119 family 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1988 · median 2006 among the 1,775 with a school on file
- Record last updated2018 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 family medicine physician records list a practice address in Paradise Valley
They are 8 of the 185 NPPES records with a practice address in Paradise Valley, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Paradise Valley → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Brent Allan, DOParadise Valley, AZ 852531528226438
- Danielle Bechert, M.D.Paradise Valley, AZ 852531932190501
- Paul Coulombe, MDParadise Valley, AZ 852531962441139
- Ruth Eckert, M.D.Scottsdale, AZ 852531376571174
- Jerry Fioramonti, MDScottsdale, AZ 852531669465530
- Juan Leyva, M.D.Paradise Valley, AZ 852531073895611
- Trupti Patel, M.D.Paradise Valley, AZ 852531598784274
- Justin Rouintan, DOParadise Valley, AZ 852531073205043
Common questions
What is Steven T. Hoshiwara, M.D.'s NPI number?
Steven T. Hoshiwara, M.D.'s National Provider Identifier (NPI) is 1093760423, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven T. Hoshiwara, M.D. located?
The NPPES record lists a practice address at 10595 N Tatum Blvd Ste E144, Paradise Valley, AZ, 85253. Phone: (480) 907-7978. Providers update this record themselves, so call before visiting.
How can I verify Steven T. Hoshiwara, M.D.'s license?
NPPES lists Arizona license number 19075, 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 Steven T. Hoshiwara, M.D. prescribe under Medicare Part D?
In 2024, Steven T. Hoshiwara, M.D. had 3,650 Medicare Part D claims for 243 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Steven T. Hoshiwara, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.5 of 100, reported for the practice group. 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.