Doctor profile · Federal record
Dr. Helen Chen, MD
Radiation Oncology Physician (CMS: Radiation Oncology) · Specialist · South Pasadena, CA
- NPI 1578546388
- Accepts Medicare
- MIPS 91.9 / 100 · 2023
- 37 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
209 Fair Oaks Ave
South Pasadena, CA 910301814
(626) 396-2900
fax (626) 799-2889 - Additional location
-
1500 Duarte RD
Duarte, CA 910103012
(626) 359-8111 - Mailing address
-
Po Box 512185
Los Angeles, CA 900510185
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- November 23, 2020
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State license (1)
- California #G70470
- Medicaid
- CA #00G704700
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578546388. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
5,018
Distinct HCPCS
10
Medicare allowed
$1,413,305
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G6015 |
Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | 1,253 | 56 | $425 | |
77014 |
Ct guidance for insertion of radiation therapy fields | 1,228 | 55 | $136 | |
G6012 |
Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev | 519 | 32 | $278 | |
77336 |
Continuing radiation therapy consultation per week | 370 | 84 | $101 | |
77427 |
Radiation treatment management, 5 treatment sessions | 365 | 83 | $205 | |
77300 |
Calculation of radiation therapy dose | 334 | 91 | $74 | |
77334 |
Design and construction of complex radiation treatment device | 201 | 90 | $141 | |
77263 |
Complex radiation therapy planning | 94 | 90 | $180 | |
77338 |
Design and construction of radiation treatment device for high precision radiation therapy | 87 | 64 | $524 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 85 | 85 | $234 |
In context: peer comparison
Among 2 peers in South Pasadena Radiation Oncology Physician, average services per provider: 156. This provider delivers 32× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
48
Patients
12
Total drug cost
$669
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 48 | 12 | $669 |
Frequently asked questions
What is Dr. Helen Chen's medical specialty?
Dr. Helen Chen practices Radiation Oncology Physician in South Pasadena, CA.
Where does Dr. Helen Chen practice?
Dr. Helen Chen practices at 209 Fair Oaks Ave, South Pasadena, CA 910301814. Office phone: 6263962900.
What is Dr. Helen Chen's NPI?
Dr. Helen Chen's National Provider Identifier (NPI) is 1578546388, issued by NPPES.
Does Dr. Helen Chen accept Medicare assignment?
Yes. Dr. Helen Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Helen Chen commonly perform?
Top Medicare-reported procedures in 2023: Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc (HCPCS G6015); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev (HCPCS G6012). Source: CMS Medicare Physician & Other Practitioners file.