NPPES file of Aug 9, 2026

Bassam Hattab, M.D.

Internal Medicine Physician · Mesa, AZ

Bassam Hattab, M.D. is an internal medicine physician with a practice address in Mesa, Arizona, and NPI 1023420189, issued on May 23, 2014. Check the license (Arizona 56535, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023420189
Name
Bassam Hattab
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
56535 AZ
Self-reported in NPPES; status is on the state search
Practice location
6811 E Superstition Springs Blvd, Mesa, AZ 85209
Phone
(480) 641-4000
Enumerated
May 23, 2014
Record last updated
Oct 24, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(480) 641-4048
Medicare enrollment
Enrolled (PECOS I20181214000043); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 6811 E Superstition Springs Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mehak Akhter, MDInternal Medicine Physician1720609852
  2. Connie Catron, M.D.Family Medicine Physician1255433231
  3. Katharine Defer, LACCounselor1588431027
  4. Kevin Dicks, PHARM. D.Pharmacist1558661637
  5. Laura Edwards, NPFamily Nurse Practitioner1467894287
  6. Mallory Farah, PHARMDPharmacist1972759660

Verify Bassam Hattab in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 56535
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.4 times the Medicare Part D claims of the average internal medicine physician in 2024

7,772 Medicare Part D claims for 737 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 57 claims were for opioids.

  1. Bassam Hattab7,772
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium715 claims
  2. Lisinopril389 claims
  3. Losartan Potassium311 claims
  4. Levothyroxine Sodium301 claims
  5. Metformin Hcl289 claims
  6. Amlodipine Besylate286 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.

Bills Medicare through one group practice

  1. Honorhealth Medical Group, LLCMesa, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

157 internal medicine physician records list a practice address in Mesa

They are 157 of the 9,151 NPPES records with a practice address in Mesa, and 2,853 internal medicine physician records in Arizona.

Other internal medicine physician records in Arizona

  1. Daniel Aaronson, MDTucson, AZ1134865355
  2. Constantia Abarikwu, MDPhoenix, AZ1497832620
  3. Jaber Abawi, MDPayson, AZ1629038542
  4. Demsas Abay, MDPeoria, AZ1720312390
  5. Firas Abbas, M.D. M.P.H.Mesa, AZ1336481407
  6. Hassan Abbas, D.O.Mesa, AZ1477294775
  7. Jalal Abbas, M.D.Sun City West, AZ1205895034
  8. Tayeb Abbas, MDSun City West, AZ1093406795
  9. Hamed Abbaszadegan, MDPhoenix, AZ1407083579
  10. Kristopher Abbate, MDTucson, AZ1184112401

Common questions

What is Bassam Hattab, M.D.'s NPI number?

Bassam Hattab, M.D.'s National Provider Identifier (NPI) is 1023420189, issued on May 23, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Bassam Hattab, M.D. located?

The NPPES record lists a practice address at 6811 E Superstition Springs Blvd, Mesa, AZ, 85209. Phone: (480) 641-4000. Providers update this record themselves, so call before visiting.

How can I verify Bassam Hattab, M.D.'s license?

NPPES lists Arizona license number 56535, 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 Bassam Hattab, M.D. prescribe under Medicare Part D?

In 2024, Bassam Hattab, M.D. had 7,772 Medicare Part D claims for 737 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.