Internal Medicine · Glendale, CA
NPI
1639320658
Since 2008
Specialty
Internal Medicine
Code 207R00000X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
1737 W Glenoaks Blvd
Glendale, CA, 91201
Phone (818) 243-1186
Groups this clinician bills Medicare through
Medicare paid, 2024
$590K
9,611 services
Medicare patients, 2024
899
Average age 76
Drug cost, 2024
$6.5M
47,024 prescriptions
Company payments, 2025
$2,762
From 24 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Gevork J Maissian was code 99214 (office e&m - established), 3,394 times for 859 patients. In total Gevork J Maissian billed 9,611 services in 39 codes, and Medicare paid $590K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2011-10-03.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 3,394 | 859 | $102.63 | $348K |
| 36415 Venipuncture Blood Collection | Office | 1,536 | 762 | $8.65 | $13K |
| 96372 Injection Administration | Office | 1,104 | 264 | $11.97 | $13K |
| J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Office | 846 | 186 | $0.29 | $246 |
| 99213 Office E&M - Established | Office | 635 | 351 | $73.92 | $47K |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 621 | 621 | $138.99 | $86K |
| 99407 Behavioral Health Services | Office | 333 | 128 | $28.44 | $9,471 |
| 99349 Home E&M - New and Established | Office | 166 | 21 | $98.10 | $16K |
| 93000 Electrocardiogram | Office | 153 | 134 | $11.67 | $1,785 |
| G0008 Administration of influenza virus vaccine | Office | 125 | 124 | $35.02 | $4,378 |
| 90662 Vaccine Product | Office | 124 | 123 | $81.74 | $10K |
| J0897 Injection, denosumab, 1 mg | Office | 86 | 65 | $0.01 | $0.72 |
| 99406 Behavioral Health Services | Office | 80 | 48 | $15.48 | $1,238 |
| 69210 Other Organ Systems | Office | 48 | 45 | $36.63 | $1,758 |
| G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment | Office | 42 | 42 | $176.30 | $7,405 |
By year: 2022 $560K for 8,556 services; 2023 $556K for 8,468 services; 2024 $590K for 9,611 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 1,536 | 762 | $8.65 | $13K |
Medicare prescription drug claims, 2024
In 2024, the drug Gevork J Maissian prescribed most often to Medicare patients was Atorvastatin Calcium, with 2,081 prescriptions and refills. In total Gevork J Maissian wrote 47,024 Medicare prescriptions that cost $6.5M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 2,081 | 2,317 | 226 | $5,155 |
| Amlodipine Besylate Generic | 1,692 | 1,848 | 175 | $1,899 |
| Vascepa Icosapent Ethyl | 1,557 | 1,597 | 188 | $536K |
| Rosuvastatin Calcium Generic | 1,447 | 1,576 | 152 | $6,159 |
| Metformin Hcl Generic | 1,387 | 1,551 | 147 | $24K |
| Diclofenac Sodium Generic | 1,345 | 1,408 | 184 | $550K |
| Levothyroxine Sodium Generic | 1,246 | 1,378 | 130 | $4,161 |
| Gabapentin Generic | 1,225 | 1,276 | 142 | $4,318 |
| Dexlansoprazole Dr Dexlansoprazole | 1,215 | 1,267 | 133 | $206K |
| Omeprazole Generic | 1,021 | 1,135 | 126 | $2,349 |
| Metoprolol Succinate Generic | 859 | 972 | 93 | $3,753 |
| Icosapent Ethyl Generic | 847 | 866 | 170 | $158K |
| Tamsulosin Hcl Generic | 809 | 934 | 95 | $3,806 |
| Losartan Potassium Generic | 782 | 900 | 92 | $2,162 |
| Simvastatin Generic | 719 | 813 | 79 | $1,227 |
Brand drugs: 10,010 claims; generic drugs: 36,614 claims; opioid claims: 412.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Gevork J Maissian $2,762 ($2,762 in general payments such as food, travel and fees) from 24 companies. The largest payer was Amgen Inc. with $384.
| Company | Payments | Amount |
|---|---|---|
| Amgen Inc. AMGN | 18 | $384 |
| Abbvie Inc. ABBV | 15 | $323 |
| GlaxoSmithKline, LLC. GSK | 11 | $286 |
| Ardelyx, Inc. ARDX | 11 | $281 |
| AstraZeneca Pharmaceuticals LP AZN | 10 | $250 |
| Sumitomo Pharma America, Inc. 4506.T | 7 | $193 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC BHC | 5 | $110 |
| Esperion Therapeutics, Inc. ESPR | 5 | $110 |
| Shield Therapeutics Inc STX.L | 4 | $106 |
| Novo Nordisk Inc NVO | 4 | $90.28 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.