Doctor profile · Federal record
Dr. Douglas Tomasian, MD
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Barrington, IL
- NPI 1922187756
- Accepts Medicare
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
600 Hart RD Ste 100
Barrington, IL 600102662
(815) 477-8900
fax (815) 477-7160 - Additional location
-
284 Memorial CT Ste B
Crystal Lake, IL 600146231
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- October 29, 2025
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- Illinois #036096363
- Medicaid
- IL #036096363
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1922187756. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,316
Distinct HCPCS
10
Medicare allowed
$445,495
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 836 | 413 | $177 | |
J2785 |
Injection, regadenoson, 0.1 mg | 260 | 65 | $55 | |
A9500 |
Technetium tc-99m sestamibi, diagnostic, per study dose | 242 | 120 | $117 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 204 | 186 | $188 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 188 | 168 | $14 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 179 | 155 | $179 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 168 | 103 | $123 | |
93015 |
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | 126 | 124 | $58 | |
J7050 |
Infusion, normal saline solution, 250 cc | 121 | 120 | $1 | |
78452 |
Nuclear medicine studies of heart muscle at rest and with stress and spect | 120 | 119 | $399 |
In context: peer comparison
Among 2 peers in Barrington Cardiovascular Disease Physician, average services per provider: 78. This provider delivers 43× the peer median.Open Payments
Industry payments received
All-time total
$1,570
Transactions
67
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| E.R. Squibb & Sons, L.L.C. | 12 | $257.56 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 17 | $215.65 | |
| Novartis Pharmaceuticals Corporation | 9 | $144.66 | |
| Boston Scientific Corporation | 2 | $135.57 | |
| Heartflow, INC. | 7 | $135.24 | |
| Merck Sharp & Dohme LLC | 4 | $89.49 | |
| Abiomed | 2 | $75.30 | |
| Abbott Laboratories | 3 | $71.14 | |
| Zoll Services LLC (A/K/A Zoll LifeCor Corp) | 2 | $50.21 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $38.33 | |
| Intuitive Surgical, INC. | 1 | $37.26 | |
| Biotronik INC. | 2 | $34.20 | |
| Bard Peripheral Vascular, INC. | 2 | $32.77 | |
| Alnylam Pharmaceuticals INC. | 1 | $31.45 | |
| Pfizer INC. | 1 | $29.80 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,103
Patients
1,287
Total drug cost
$715,811
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Succinate | Generic | 701 | 217 | $17,586 |
| Atorvastatin Calcium | Generic | 443 | 143 | $6,064 |
| Carvedilol | Generic | 396 | 122 | $5,117 |
| Rosuvastatin Calcium | Generic | 373 | 120 | $6,813 |
| Losartan Potassium | Generic | 322 | 96 | $4,700 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 298 | 99 | $4,546 |
| Amlodipine Besylate | Generic | 296 | 99 | $3,318 |
| Eliquis (Apixaban) | Brand | 251 | 73 | $342,863 |
| Furosemide | Generic | 241 | 84 | $1,475 |
| Jardiance (Empagliflozin) | Brand | 178 | 49 | $206,157 |
Hospital affiliations
Frequently asked questions
What is Dr. Douglas Tomasian's medical specialty?
Dr. Douglas Tomasian practices Cardiovascular Disease Physician in Barrington, IL.
Where does Dr. Douglas Tomasian practice?
Dr. Douglas Tomasian practices at 600 Hart RD Ste 100, Barrington, IL 600102662. Office phone: 8154778900.
What is Dr. Douglas Tomasian's NPI?
Dr. Douglas Tomasian's National Provider Identifier (NPI) is 1922187756, issued by NPPES.
Does Dr. Douglas Tomasian accept Medicare assignment?
Yes. Dr. Douglas Tomasian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Tomasian commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Injection, regadenoson, 0.1 mg (HCPCS J2785); Technetium tc-99m sestamibi, diagnostic, per study dose (HCPCS A9500). Source: CMS Medicare Physician & Other Practitioners file.