Stephen C. Brewer, M.D.
Internal Medicine Physician · Tucson, AZ
Stephen C. Brewer, M.D. is an internal medicine physician with a practice address in Tucson, Arizona, and NPI 1265648554, issued on May 15, 2007. Check the license (Arizona 32090, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stephen C. Brewer
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 32090 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 8600 E Rockcliff RD, Tucson, AZ 85750
- Phone
- (520) 749-9655
- Enumerated
- May 15, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (520) 239-8515
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 8600 E Rockcliff RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen C. Brewer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 32090Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
204 Medicare Part D claims for 37 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Zolpidem Tartrate24 claims
- Rosuvastatin Calcium23 claims
- Diazepam11 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.
Stephen C. Brewer among 2,853 internal medicine physician records in Arizona
Stephen C. Brewer, 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 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 47% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2007 · 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).
651 internal medicine physician records list a practice address in Tucson
They are 651 of the 18,788 NPPES records with a practice address in Tucson, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Tucson → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jack Ajmeri, MDTucson, AZ 857501982660783
- Natalie Davis, MDTucson, AZ 857501376125997
- Michael Maximov, M.D.Tucson, AZ 857501376556068
- Sangeetha Murugapandian, M.DTucson, AZ 857501619283629
- Patrick Noonan, D.O.Tucson, AZ 857501346561040
- Michael OrensteinTucson, AZ 857501093193351
- Richard Rhiew, MDTucson, AZ 857501346226479
- Shagun Singh, M.D.Tucson, AZ 857501730634346
Common questions
What is Stephen C. Brewer, M.D.'s NPI number?
Stephen C. Brewer, M.D.'s National Provider Identifier (NPI) is 1265648554, issued on May 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Stephen C. Brewer, M.D. located?
The NPPES record lists a practice address at 8600 E Rockcliff RD, Tucson, AZ, 85750. Phone: (520) 749-9655. Providers update this record themselves, so call before visiting.
How can I verify Stephen C. Brewer, M.D.'s license?
NPPES lists Arizona license number 32090, 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 Stephen C. Brewer, M.D. prescribe under Medicare Part D?
In 2024, Stephen C. Brewer, M.D. had 204 Medicare Part D claims for 37 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.