Brenda Dennert, M.D.
Gastroenterology Physician · Phoenix, AZ
Brenda Dennert, M.D. is a gastroenterology physician with a practice address in Phoenix, Arizona, and NPI 1235127846, issued on Oct 7, 2005. Check the license (Arizona 21159, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Brenda Dennert
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 21159 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1300 N 12TH St, Phoenix, AZ 85006
- Phone
- (602) 254-5321
- Enumerated
- Oct 7, 2005
- Entity
- Type 1 · individual
Also registered at 1300 N 12TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Farshad Agahi, M.D.Obstetrics & Gynecology Physician1386886430
- Jacqueline Agenbroad, NPNurse Practitioner1447222328
- Nishant Anand, M.D.Emergency Medicine Physician1093847659
- Jacob Anderson, D.O.Family Medicine Physician1558708792
- Patricia Armstrong, PAPhysician Assistant1326015165
- Sandra Auvil, MDInternal Medicine Physician1215993464
Verify Brenda Dennert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 21159Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
29% fewer Medicare Part D claims than the average gastroenterology physician in 2024
601 Medicare Part D claims for 177 beneficiaries, against an average of 848 among the 13,066 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Omeprazole116 claims
- Famotidine75 claims
- Pantoprazole Sodium63 claims
- Linzess30 claims
- Sucralfate29 claims
- Sulfasalazine26 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: $120.75
5 payments, mostly food and beverage; the largest payer was Medtronic, Inc.. The 10,593 providers of this specialty with any payment received $4,948.62 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.
One hospital or facility affiliation
- Arizona Digestive Health PCGlendale, AZ
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Gastroenterology Physician providers in Arizona
There are 337 gastroenterology physician records in Arizona.
Other gastroenterology physician records in Arizona
- Neena Abraham, MDScottsdale, AZ1801806930
- Avin Aggarwal, M.D.Tucson, AZ1467716555
- Sanjay Ahluwalia, M.D.Chandler, AZ1104807882
- Akram Ahmad, MBBSScottsdale, AZ1588292304
- Bassel Al-Lahham, MDPhoenix, AZ1619081577
- Aws Alameri, MDPhoenix, AZ1114423381
- Zaid Alkaissy, MDMesa, AZ1285290445
- Abdullah Alkhattabi, MBBSScottsdale, AZ1942053590
- Larissa Allen, M.D.Tucson, AZ1659536480
- Lynna Alnimer, M.D.Phoenix, AZ1215490461
Common questions
What is Brenda Dennert, M.D.'s NPI number?
Brenda Dennert, M.D.'s National Provider Identifier (NPI) is 1235127846, issued on Oct 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Brenda Dennert, M.D. located?
The NPPES record lists a practice address at 1300 N 12TH St, Phoenix, AZ, 85006. Phone: (602) 254-5321. Providers update this record themselves, so call before visiting.
How can I verify Brenda Dennert, M.D.'s license?
NPPES lists Arizona license number 21159, 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 Brenda Dennert, M.D. prescribe under Medicare Part D?
In 2024, Brenda Dennert, M.D. had 601 Medicare Part D claims for 177 beneficiaries; the average among gastroenterology physician prescribers was 848. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.