Doctor profile · Federal record
Dr. Rachel Knopoff, M.D.
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Torrance, CA
- NPI 1114977717
- Accepts Medicare
- 35 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3330 Lomita Blvd
Torrance, CA 905055002
(310) 517-4675 - Mailing address
-
Po Box 190
Simi Valley, CA 930620190
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- August 16, 2007
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- California #G76330
- Medicaid
- CA #00G763300
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1114977717. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,313
Distinct HCPCS
10
Medicare allowed
$121,748
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77063 |
Screening 3d breast mammography | 446 | 446 | $30 | |
77067 |
Screening mammography | 446 | 446 | $38 | |
77080 |
Dxa bone density measurement of hip, pelvis, spine | 401 | 401 | $10 | |
71045 |
X-ray of chest, 1 view | 392 | 372 | $9 | |
70450 |
Ct scan head or brain without contrast | 195 | 186 | $42 | |
74176 |
Ct scan of abdomen and pelvis without contrast | 142 | 141 | $88 | |
76642 |
Limited ultrasound scan of 1 breast | 103 | 98 | $35 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 70 | 70 | $92 | |
74183 |
Mri scan of abdomen before and after contrast | 68 | 66 | $110 | |
G0279 |
Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) | 62 | 61 | $31 |
In context: peer comparison
Among 19 peers in Torrance Diagnostic Radiology Physician, average services per provider: 148. This provider delivers 22× the peer median.Open Payments
Industry payments received
All-time total
$38
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Philips North America LLC | 1 | $38.46 |
By nature of payment
Frequently asked questions
What is Dr. Rachel Knopoff's medical specialty?
Dr. Rachel Knopoff practices Diagnostic Radiology Physician in Torrance, CA.
Where does Dr. Rachel Knopoff practice?
Dr. Rachel Knopoff practices at 3330 Lomita Blvd, Torrance, CA 905055002. Office phone: 3105174675.
What is Dr. Rachel Knopoff's NPI?
Dr. Rachel Knopoff's National Provider Identifier (NPI) is 1114977717, issued by NPPES.
Does Dr. Rachel Knopoff accept Medicare assignment?
Yes. Dr. Rachel Knopoff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rachel Knopoff commonly perform?
Top Medicare-reported procedures in 2023: Screening 3d breast mammography (HCPCS 77063); Screening mammography (HCPCS 77067); Dxa bone density measurement of hip, pelvis, spine (HCPCS 77080). Source: CMS Medicare Physician & Other Practitioners file.