Gabriel El-Kass, M.D.
Internal Medicine Physician · Tucson, AZ
Gabriel El-Kass, M.D. is an internal medicine physician with a practice address in Tucson, Arizona, and NPI 1821295353, issued on Jun 28, 2007. Check the license (Arizona 47983, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gabriel El-Kass
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 47983 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1645 N Swan RD, Tucson, AZ 85712
- Phone
- (520) 623-2642
- Enumerated
- Jun 28, 2007
- Record last updated
- Oct 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (520) 327-9300
- Medicaid ID
- 011405 AZ
- Medicare enrollment
- Enrolled (PECOS I20150506002568); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1645 N Swan RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Teh-Li Huo, MDNephrology Physician1467458919
- Mindy Jan, MDNephrology Physician1902804974
- Shani Kotadia, MDNephrology Physician1619256807
Verify Gabriel El-Kass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 47983Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
271 Medicare Part D claims for 87 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Prednisone49 claims
- Calcium Acetate17 claims
- Losartan Potassium16 claims
- Lidocaine-Prilocaine15 claims
- Carvedilol12 claims
- Hydralazine Hcl11 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: $339.67
7 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Southwest Kidney Institute PLCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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 651 in Tucson → All 2,853 in Arizona → Every provider in Tucson →
Other internal medicine physician records in Arizona
- Daniel Aaronson, MDTucson, AZ1134865355
- Constantia Abarikwu, MDPhoenix, AZ1497832620
- Jaber Abawi, MDPayson, AZ1629038542
- Demsas Abay, MDPeoria, AZ1720312390
- Firas Abbas, M.D. M.P.H.Mesa, AZ1336481407
- Hassan Abbas, D.O.Mesa, AZ1477294775
- Jalal Abbas, M.D.Sun City West, AZ1205895034
- Tayeb Abbas, MDSun City West, AZ1093406795
- Hamed Abbaszadegan, MDPhoenix, AZ1407083579
- Kristopher Abbate, MDTucson, AZ1184112401
Common questions
What is Gabriel El-Kass, M.D.'s NPI number?
Gabriel El-Kass, M.D.'s National Provider Identifier (NPI) is 1821295353, issued on Jun 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gabriel El-Kass, M.D. located?
The NPPES record lists a practice address at 1645 N Swan RD, Tucson, AZ, 85712. Phone: (520) 623-2642. Providers update this record themselves, so call before visiting.
How can I verify Gabriel El-Kass, M.D.'s license?
NPPES lists Arizona license number 47983, 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 Gabriel El-Kass, M.D. prescribe under Medicare Part D?
In 2024, Gabriel El-Kass, M.D. had 271 Medicare Part D claims for 87 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.