Doctor profile · Federal record
Dr. David Klashman, MD
Rheumatology Physician (CMS: Rheumatology) · Torrance, CA
- NPI 1265451777
- Accepts Medicare
- MIPS 92.4 / 100 · 2023
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
23441 Madison St, Suite #340
Torrance, CA 905054725
(310) 373-0340
fax (310) 373-7142
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- November 24, 2009
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- California #G56545
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265451777. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
11,825
Distinct HCPCS
10
Medicare allowed
$737,182
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J9312 |
Injection, rituximab, 10 mg | 4,405 | 17 | $80 | |
J0897 |
Injection, denosumab, 1 mg | 3,024 | 46 | $23 | |
J1745 |
Injection, infliximab, excludes biosimilar, 10 mg | 2,316 | 11 | $33 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,135 | 482 | $141 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 211 | 72 | $97 | |
96415 |
Administration of chemotherapy into vein, each additional hour | 163 | 28 | $33 | |
J7050 |
Infusion, normal saline solution, 250 cc | 132 | 32 | $1 | |
96413 |
Administration of chemotherapy into vein, 1 hour or less | 120 | 35 | $155 | |
96365 |
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 103 | 21 | $75 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 98 | 98 | $240 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 451. This provider delivers 26× the peer median.Open Payments
Industry payments received
All-time total
$996
Transactions
50
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 25 | $453.99 | |
| Novartis Pharmaceuticals Corporation | 15 | $297.11 | |
| Fresenius Kabi USA, LLC | 5 | $154.58 | |
| AstraZeneca Pharmaceuticals LP | 2 | $32.63 | |
| SCILEX PHARMACEUTICALS INC. | 1 | $22.63 | |
| Amgen Inc. | 1 | $19.50 | |
| Organon Llc | 1 | $15.61 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,031
Patients
451
Total drug cost
$2,065,179
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methotrexate (Methotrexate Sodium) | Brand | 388 | 92 | $16,542 |
| Prednisone | Generic | 253 | 63 | $3,389 |
| Hydroxychloroquine Sulfate | Generic | 204 | 42 | $11,865 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 198 | 39 | $7,990 |
| Alendronate Sodium | Generic | 142 | 45 | $1,436 |
| Allopurinol | Generic | 138 | 41 | $2,523 |
| Enbrel Sureclick (Etanercept) | Brand | 119 | 14 | $890,112 |
| Gabapentin | Generic | 111 | 27 | $3,103 |
| Tramadol Hcl | Generic | 103 | 23 | $1,221 |
| Diclofenac Sodium | Generic | 96 | 29 | $4,278 |
Hospital affiliations
Frequently asked questions
What is Dr. David Klashman's medical specialty?
Dr. David Klashman practices Rheumatology Physician in Torrance, CA.
Where does Dr. David Klashman practice?
Dr. David Klashman practices at 23441 Madison St, Torrance, CA 905054725. Office phone: 3103730340.
What is Dr. David Klashman's NPI?
Dr. David Klashman's National Provider Identifier (NPI) is 1265451777, issued by NPPES.
Does Dr. David Klashman accept Medicare assignment?
Yes. Dr. David Klashman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Klashman commonly perform?
Top Medicare-reported procedures in 2023: Injection, rituximab, 10 mg (HCPCS J9312); Injection, denosumab, 1 mg (HCPCS J0897); Injection, infliximab, excludes biosimilar, 10 mg (HCPCS J1745). Source: CMS Medicare Physician & Other Practitioners file.