Internal Medicine, Rheumatology · Tarzana, CA
NPI
1770857682
Since 2012
Specialty
Internal Medicine, Rheumatology
Code 207RR0500X
Group practices
1
Medicare group memberships
Hospitals
3
Hospital affiliations
18386 Ventura Blvd
Tarzana, CA, 91356
Phone (818) 996-4077
Groups this clinician bills Medicare through
Medicare paid, 2024
$2.1M
129,079 services
Medicare patients, 2024
942
Average age 75
Drug cost, 2024
$2.6M
2,319 prescriptions
Company payments, 2025
$197K
From 26 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Adam J Kreitenberg was code J3262 (injection, tocilizumab, 1 mg), 47,500 times for 12 patients. In total Adam J Kreitenberg billed 129,079 services in 130 codes, and Medicare paid $2.1M.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2023-01-09.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J3262 Injection, tocilizumab, 1 mg | Office | 47,500 | 12 | $4.70 | $223K |
| J1602 Injection, golimumab, 1 mg, for intravenous use | Office | 11,400 | 16 | $9.07 | $103K |
| J3111 Injection, romosozumab-aqqg, 1 mg | Office | 10,080 | 12 | $8.58 | $86K |
| J0897 Injection, denosumab, 1 mg | Office | 3,960 | 45 | $20.70 | $82K |
| J1745 Injection, infliximab, excludes biosimilar, 10 mg | Office | 3,112 | 16 | $24.87 | $77K |
| 99214 Office E&M - Established | Office | 2,296 | 688 | $113.91 | $262K |
| 99213 Office E&M - Established | Office | 2,239 | 487 | $82.55 | $185K |
| J1010 Injection, methylprednisolone acetate, 1 mg | Office | 2,060 | 27 | $0.10 | $210 |
| 86235 Immunoassay | Office | 2,009 | 270 | $17.57 | $35K |
| J1100 Injection, dexamethasone sodium phosphate, 1 mg | Office | 1,627 | 62 | $0.09 | $146 |
| 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 | 1,337 | 564 | $14.23 | $19K |
| J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Office | 1,301 | 285 | $0.74 | $966 |
| 96375 Injection Administration | Office | 1,139 | 165 | $14.77 | $17K |
| 96366 Intravenous Infusion, Hydration | Office | 970 | 124 | $19.42 | $19K |
| 96365 Intravenous Infusion, Hydration | Office | 806 | 147 | $60.84 | $49K |
By year: 2022 $1.5M for 76,341 services; 2023 $1.7M for 85,712 services; 2024 $2.1M for 129,079 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 86235 Immunoassay | 2,009 | 270 | $17.57 | $35K |
| 36415 Venipuncture Blood Collection | 686 | 443 | $8.65 | $5,934 |
| 83516 Immunoassay | 596 | 282 | $11.30 | $6,735 |
| 84460 Clinical Chemistry | 476 | 332 | $5.19 | $2,470 |
| 82565 Clinical Chemistry | 476 | 332 | $5.02 | $2,390 |
| 84450 Clinical Chemistry | 476 | 332 | $5.08 | $2,418 |
| 84520 Clinical Chemistry | 476 | 332 | $3.87 | $1,842 |
| 86140 Clinical Chemistry | 451 | 319 | $5.08 | $2,291 |
| 85651 Clinical Chemistry | 447 | 316 | $4.18 | $1,868 |
| 84550 Clinical Chemistry | 424 | 330 | $4.43 | $1,878 |
Medicare prescription drug claims, 2024
In 2024, the drug Adam J Kreitenberg prescribed most often to Medicare patients was Prednisone, with 175 prescriptions and refills. In total Adam J Kreitenberg wrote 2,319 Medicare prescriptions that cost $2.6M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Prednisone Generic | 175 | 359 | 57 | $1,540 |
| Gabapentin Generic | 174 | 347 | 56 | $2,327 |
| Methotrexate Methotrexate Sodium | 136 | 299 | 33 | $3,882 |
| Hydroxychloroquine Sulfate Generic | 116 | 312 | 49 | $5,772 |
| Tramadol Hcl Generic | 107 | 107 | 32 | $636 |
| Leflunomide Generic | 69 | 176 | 26 | $3,993 |
| Tymlos Abaloparatide | 64 | 64 | Under 11 | $165K |
| Cyclobenzaprine Hcl Generic | 60 | 72 | 17 | $561 |
| Duloxetine Hcl Generic | 59 | 159 | 22 | $1,416 |
| Mycophenolate Mofetil Generic | 53 | 101 | 13 | $38K |
| Humira(Cf) Pen Adalimumab | 50 | 55 | Under 11 | $483K |
| Allopurinol Generic | 47 | 131 | 16 | $280 |
| Methylprednisolone Generic | 46 | 46 | 42 | $265 |
| Diclofenac Sodium Generic | 46 | 47 | Under 11 | $2,150 |
| Sulfasalazine Generic | 45 | 82 | Under 11 | $1,216 |
Brand drugs: - claims; generic drugs: 1,790 claims; opioid claims: 169.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Adam J Kreitenberg $197K ($197K in general payments such as food, travel and fees) from 26 companies. The largest payer was Janssen Biotech, Inc. with $102K.
| Company | Payments | Amount |
|---|---|---|
| Janssen Biotech, Inc. JNJ | 160 | $102K |
| AstraZeneca Pharmaceuticals LP AZN | 54 | $40K |
| Abbvie Inc. ABBV | 83 | $36K |
| GlaxoSmithKline, LLC. GSK | 26 | $15K |
| Alexion Pharmaceuticals, Inc. AZN | 5 | $1,009 |
| Amgen Inc. AMGN | 41 | $952 |
| Novartis Pharmaceuticals Corporation NVS | 27 | $391 |
| Radius Health, Inc. | 19 | $245 |
| UCB, Inc. UCB.BR | 13 | $167 |
| E.R. Squibb & Sons, L.L.C. BMY | 6 | $165 |
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.