Doctor profile · Federal record

Dr. Wassim Atassi

Internal Medicine Physician (CMS: Internal Medicine) · Highland, IN

  • NPI 1871533927
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9696 Gordon Dr
Highland, IN 463222909
(219) 937-2511
fax (219) 937-2522

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
March 17, 2021
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Indiana #01058603A
Medicaid
IN #200084270A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871533927. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,893
Distinct HCPCS
10
Medicare allowed
$412,936
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 1,068 446 $74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 635 210 $112
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 367 152 $100
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 320 100 $70
99213 Established patient office or other outpatient visit, 20-29 minutes 285 144 $82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 212 180 $162
99239 Hospital discharge day management, more than 30 minutes 197 167 $107
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 173 151 $125
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 169 43 $59
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 153 25 $45

In context: peer comparison

Among 5 peers in this city , average services per provider: 147. This provider delivers 33× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$161
Transactions
9
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 2 $43.92
Xeris Pharmaceuticals, Inc. 2 $41.60
SANOFI-AVENTIS U.S. LLC 1 $18.01
IDORSIA PHARMACEUTICALS US INC 1 $15.45
Abbott Laboratories 1 $15.14
AstraZeneca Pharmaceuticals LP 1 $13.55
Dexcom, Inc. 1 $13.25

By nature of payment

Food and Beverage
$161

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,839
Patients
1,378
Total drug cost
$216,784
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 1,050 168 $17,704
Atorvastatin Calcium Generic 858 194 $11,464
Alprazolam Generic 544 74 $4,145
Amlodipine Besylate Generic 517 142 $4,507
Pantoprazole Sodium Generic 476 106 $6,219
Gabapentin Generic 448 84 $8,732
Clopidogrel (Clopidogrel Bisulfate) Brand 415 84 $5,396
Levothyroxine Sodium Generic 375 78 $5,490
Metoprolol Tartrate Generic 355 76 $2,782
Furosemide Generic 347 91 $2,517

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Wassim Atassi's medical specialty?
Dr. Wassim Atassi practices Internal Medicine Physician in Highland, IN.
Where does Dr. Wassim Atassi practice?
Dr. Wassim Atassi practices at 9696 Gordon Dr, Highland, IN 463222909. Office phone: 2199372511.
What is Dr. Wassim Atassi's NPI?
Dr. Wassim Atassi's National Provider Identifier (NPI) is 1871533927, issued by NPPES.
Does Dr. Wassim Atassi accept Medicare assignment?
Yes. Dr. Wassim Atassi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wassim Atassi commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.