Internal Medicine · Houston, TX
NPI
1285660241
Since 2006
Specialty
Internal Medicine
Code 207R00000X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
12015 Louetta Rd, Suite 200
Houston, TX, 77070
Phone (281) 370-7272
Groups this clinician bills Medicare through
Medicare paid, 2024
$804K
40,291 services
Medicare patients, 2024
1,593
Average age 70
Drug cost, 2024
$13.3M
117,257 prescriptions
Company payments, 2025
$1,749
From 19 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Najmuddin K Karimjee was code J1010 (injection, methylprednisolone acetate, 1 mg), 13,100 times for 253 patients. In total Najmuddin K Karimjee billed 40,291 services in 97 codes, and Medicare paid $804K.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2012-05-31.
| Code |
|---|
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J1010 Injection, methylprednisolone acetate, 1 mg | Office | 13,100 | 253 | $0.09 | $1,202 |
| J1100 Injection, dexamethasone sodium phosphate, 1 mg | Office | 4,646 | 328 | $0.07 | $325 |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 3,428 | 1,223 | $11.19 | $38K |
| 99490 Chronic, Principal, and Transitional Care Management | Office | 2,964 | 579 | $46.34 | $137K |
| 99213 Office E&M - Established | Office | 2,666 | 1,073 | $56.70 | $151K |
| 36415 Venipuncture Blood Collection | Office | 2,403 | 1,190 | $8.63 | $21K |
| 99214 Office E&M - Established | Office | 2,203 | 950 | $85.70 | $189K |
| 81002 Clinical Chemistry | Office | 1,176 | 874 | $3.41 | $4,010 |
| J0696 Injection, ceftriaxone sodium, per 250 mg | Office | 911 | 169 | $0.30 | $275 |
| 96372 Injection Administration | Office | 787 | 335 | $10.52 | $8,277 |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 699 | 699 | $126.00 | $88K |
| J1885 Injection, ketorolac tromethamine, per 15 mg | Office | 694 | 98 | $0.44 | $304 |
| 87804 Immunoassay | Office | 601 | 248 | $16.22 | $9,748 |
| 99439 Chronic, Principal, and Transitional Care Management | Office | 526 | 233 | $37.03 | $19K |
| 93000 Electrocardiogram | Office | 466 | 452 | $7.80 | $3,634 |
By year: 2022 $740K for 21,347 services; 2023 $607K for 20,722 services; 2024 $804K for 40,291 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 2,403 | 1,190 | $8.63 | $21K |
| 81002 Clinical Chemistry | 1,176 | 874 | $3.41 | $4,010 |
| 87804 Immunoassay | 601 | 248 | $16.22 | $9,748 |
| 87426 Immunoassay | 396 | 297 | $34.62 | $14K |
| 87880 Immunoassay | 131 | 117 | $16.20 | $2,122 |
| 82947 Clinical Chemistry | 89 | 48 | $3.85 | $343 |
Medicare prescription drug claims, 2024
In 2024, the drug Najmuddin K Karimjee prescribed most often to Medicare patients was Atorvastatin Calcium, with 5,551 prescriptions and refills. In total Najmuddin K Karimjee wrote 117,257 Medicare prescriptions that cost $13.3M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 5,551 | 15,451 | 1,908 | $50K |
| Amlodipine Besylate Generic | 3,936 | 10,910 | 1,343 | $19K |
| Levothyroxine Sodium Generic | 3,399 | 8,937 | 1,009 | $29K |
| Rosuvastatin Calcium Generic | 3,260 | 9,239 | 1,152 | $52K |
| Lisinopril Generic | 2,729 | 7,552 | 951 | $15K |
| Metformin Hcl Generic | 2,658 | 7,449 | 938 | $14K |
| Gabapentin Generic | 2,634 | 5,920 | 961 | $43K |
| Pantoprazole Sodium Generic | 2,341 | 6,268 | 853 | $25K |
| Losartan Potassium Generic | 2,068 | 5,834 | 759 | $18K |
| Montelukast Sodium Generic | 1,749 | 4,583 | 620 | $20K |
| Furosemide Generic | 1,727 | 4,193 | 679 | $7,119 |
| Albuterol Sulfate Hfa Albuterol Sulfate | 1,724 | 2,578 | 751 | $51K |
| Metoprolol Succinate Generic | 1,704 | 4,746 | 623 | $22K |
| Omeprazole Generic | 1,682 | 4,394 | 590 | $26K |
| Tamsulosin Hcl Generic | 1,560 | 4,269 | 558 | $19K |
Brand drugs: 15,131 claims; generic drugs: 101,171 claims; opioid claims: 2,345.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Najmuddin K Karimjee $1,749 ($1,749 in general payments such as food, travel and fees) from 19 companies. The largest payer was Abbvie Inc. with $638.
| Company | Payments | Amount |
|---|---|---|
| Abbvie Inc. ABBV | 50 | $638 |
| Astellas Pharma US Inc 4503.T | 13 | $258 |
| AstraZeneca Pharmaceuticals LP AZN | 6 | $160 |
| Exact Sciences Corporation EXAS | 3 | $154 |
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) JNJ | 5 | $101 |
| Xeris Pharmaceuticals, Inc. | 3 | $53.85 |
| Phathom Pharmaceuticals, Inc. PHAT | 3 | $52.95 |
| Mannkind Corporation MNKD | 3 | $52.31 |
| Amgen Inc. AMGN | 3 | $46.62 |
| Axsome Therapeutics, Inc. AXSM | 2 | $44.78 |
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.