Steven C. Downing, MD
Family Medicine Physician · Tucson, AZ
Steven C. Downing, MD is a family medicine physician with a practice address in Tucson, Arizona, and NPI 1336123199, issued on Dec 5, 2005. Check the license (Arizona 30360, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Steven C. Downing
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 30360 AZ
23937 SC
Self-reported in NPPES; status is on the state search - Practice location
- 2055 W Hospital Dr Ste 255, Tucson, AZ 85704
- Phone
- (520) 547-5725
- Enumerated
- Dec 5, 2005
- Record last updated
- Dec 31, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (520) 547-5735
- Medicaid IDs
- GP1371 SC
GP1366 SC - Medicare enrollment
- Enrolled (PECOS I20170512002181); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Also registered at 2055 W Hospital Dr Ste 255
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shannon Collins, MDInternal Medicine Physician1003554676
- Irene Duarte, MDFamily Medicine Physician1336188093
- Julio Garcia, M.D.Family Medicine Physician1881899573
- Stacie Homan, NP-CFamily Nurse Practitioner1689167132
Verify Steven C. Downing in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 30360Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% more Medicare Part D claims than the average family medicine physician in 2024
5,576 Medicare Part D claims for 598 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 92 claims were for opioids.
Most prescribed
- Atorvastatin Calcium389 claims
- Amlodipine Besylate293 claims
- Levothyroxine Sodium273 claims
- Lisinopril242 claims
- Losartan Potassium221 claims
- Rosuvastatin Calcium149 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: $168.60
9 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 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 one group practice
- Arizona Community Physicians PCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven C. Downing among 3,119 family medicine physician records in Arizona
Steven C. Downing, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2000 · 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).
554 family medicine physician records list a practice address in Tucson
They are 554 of the 18,788 NPPES records with a practice address in Tucson, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Tucson → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Raymond Bakotic, D.O.Tucson, AZ 857041285613216
- Barbara Caldwell, M.D.Tucson, AZ 857041861475345
- John Carmichael, MDTucson, AZ 857041881675254
- Vivian Castillo, M.D.Tucson, AZ 857041790732105
- Susan Courtney, MDTucson, AZ 857041700840352
- Irene Duarte, MDTucson, AZ 857041336188093
- William Inboden, D.O.Tucson, AZ 857041528043395
- David Los, DOTucson, AZ 857041598741720
Common questions
What is Steven C. Downing, MD's NPI number?
Steven C. Downing, MD's National Provider Identifier (NPI) is 1336123199, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Steven C. Downing, MD located?
The NPPES record lists a practice address at 2055 W Hospital Dr Ste 255, Tucson, AZ, 85704. Phone: (520) 547-5725. Providers update this record themselves, so call before visiting.
How can I verify Steven C. Downing, MD's license?
NPPES lists Arizona license number 30360, 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 C. Downing, MD prescribe under Medicare Part D?
In 2024, Steven C. Downing, MD had 5,576 Medicare Part D claims for 598 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.