NPPES file of Aug 9, 2026

Wassim Atassi

Internal Medicine Physician · Highland, IN

Wassim Atassi is an internal medicine physician with a practice address in Highland, Indiana, and NPI 1871533927, issued on Jun 7, 2006. Check the license (Indiana 01058603A, as entered in NPPES) on the Medical Licensing Board of Indiana; 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
1871533927
Name
Wassim Atassi
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
01058603A IN
Self-reported in NPPES; status is on the state search
Practice location
9696 Gordon Dr, Highland, IN 46322
Phone
(219) 937-2511
Enumerated
Jun 7, 2006
Record last updated
Mar 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(219) 937-2522
Medicaid ID
200084270A IN
Medicare enrollment
Enrolled (PECOS I20040720001001); 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.
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Also registered at 9696 Gordon Dr

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

  1. Waddah Ahdab, MDInternal Medicine Physician1255388286
  2. Bruna Arrunategui-Rodriguez, MDInternal Medicine Physician1992979215
  3. Kinan Attassi, MDInfectious Disease Physician1255428157
  4. Stuart Klein, M.D.Internal Medicine Physician1790870483
  5. Angela LebeterFamily Nurse Practitioner1144895418
  6. Dana Rifai, M.D.Internal Medicine Physician1780972059

Verify Wassim Atassi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01058603A
    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 Indiana 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.

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

19,563 Medicare Part D claims for 873 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 1,566 claims were for opioids.

  1. Wassim Atassi19,563
  2. Specialty average3,176

Most prescribed

  1. Hydrocodone-Acetaminophen1,157 claims
  2. Atorvastatin Calcium986 claims
  3. Amlodipine Besylate622 claims
  4. Alprazolam580 claims
  5. Pantoprazole Sodium497 claims
  6. Gabapentin464 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: $160.92

9 payments; by number, the most common kind was food and beverage; the largest payer was Amgen 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.

  1. Wassim Atassi$160.92
  2. Specialty average$1,303.06

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

  1. Columbia Medical Center LtdHighland, IN

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

10 internal medicine physician records list a practice address in Highland

They are 10 of the 369 NPPES records with a practice address in Highland, and 2,109 internal medicine physician records in Indiana.

Other internal medicine physician records in Indiana

  1. Hayder Abbood, MDIndianapolis, IN1922448141
  2. Simon Abdallah, MDRichmond, IN1952798928
  3. Ahmed Abdel Rahman, MDIndianapolis, IN1427288604
  4. Eiman AbdelrahmanIndianapolis, IN1306861109
  5. Nabil AbdoMunster, IN1629226089
  6. Almaz Abdyrakov, M.D.Hammond, IN1407102338
  7. Audrey Abell, M.D.Plainfield, IN1457346579
  8. Linda Abels, MDCarmel, IN1396718292
  9. Ruth Abramovitz, MDWest Lafayette, IN1649248915
  10. Rona Abu Manneh, M.D.Fishers, IN1548432511

Common questions

What is Wassim Atassi's NPI number?

Wassim Atassi's National Provider Identifier (NPI) is 1871533927, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Wassim Atassi located?

The NPPES record lists a practice address at 9696 Gordon Dr, Highland, IN, 46322. Phone: (219) 937-2511. Providers update this record themselves, so call before visiting.

How can I verify Wassim Atassi's license?

NPPES lists Indiana license number 01058603A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Wassim Atassi prescribe under Medicare Part D?

In 2024, Wassim Atassi had 19,563 Medicare Part D claims for 873 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.