Nadim T. Zyadeh, MD
Gastroenterology Physician · Phoenix, AZ
Nadim T. Zyadeh, MD is a gastroenterology physician with a practice address in Phoenix, Arizona, and NPI 1609877935, issued on Aug 9, 2005. Check the license (Arizona 30881, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nadim T. Zyadeh
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 30881 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 5815 N Black Canyon Hwy Ste 101, Phoenix, AZ 85015
- Phone
- (602) 973-6666
- Enumerated
- Aug 9, 2005
- Record last updated
- Jan 22, 2026
- Fax
- (602) 812-3395
- Medicaid ID
- 776304 AZ
- Medicare enrollment
- Enrolled (PECOS I20071004000868); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Verify Nadim T. Zyadeh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 30881Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% more Medicare Part D claims than the average gastroenterology physician in 2024
1,170 Medicare Part D claims for 437 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Peg 3350-Electrolyte273 claims
- Omeprazole218 claims
- Pantoprazole Sodium110 claims
- Famotidine108 claims
- Linzess105 claims
- Lactulose77 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: $647.57
31 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Gastroenterology Physician providers in Arizona
There are 403 gastroenterology physician records in Arizona.
Other gastroenterology physician records in Arizona
- Neena Abraham, MDScottsdale, AZ1801806930
- Shahab Aftahi, M.D.Phoenix, AZ1881656783
- Avin Aggarwal, M.D.Tucson, AZ1467716555
- Sanjay Ahluwalia, M.D.Chandler, AZ1104807882
- Akram Ahmad, MBBSScottsdale, AZ1588292304
- Shifat Ahmed, MDPhoenix, AZ1568881472
- Layth Al-Jashaami, M.DPhoenix, AZ1255691895
- Bassel Al-Lahham, MDPhoenix, AZ1619081577
- Shayan Alam, M.D.Prescott, AZ1780654988
- Aws Alameri, MDPhoenix, AZ1114423381
Common questions
What is Nadim T. Zyadeh, MD's NPI number?
Nadim T. Zyadeh, MD's National Provider Identifier (NPI) is 1609877935, issued on Aug 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nadim T. Zyadeh, MD located?
The NPPES record lists a practice address at 5815 N Black Canyon Hwy Ste 101, Phoenix, AZ, 85015. Phone: (602) 973-6666. Providers update this record themselves, so call before visiting.
How can I verify Nadim T. Zyadeh, MD's license?
NPPES lists Arizona license number 30881, 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 Nadim T. Zyadeh, MD prescribe under Medicare Part D?
In 2024, Nadim T. Zyadeh, MD had 1,170 Medicare Part D claims for 437 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.