Doctor profile · Federal record
Dr. Andrew Chang, M.D.
Radiation Oncology Physician (CMS: Radiation Oncology) · Radiation Oncology Physician · Radiation Oncology Physician · Radiation Oncology Physician · San Diego, CA
- NPI 1255513859
- Accepts Medicare
- 24 yrs in practice
- Licensed in 4 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9730 Summers Ridge RD
San Diego, CA 921213101
(858) 549-7400
Credentials & registration
- NPI registered
- December 2007 — 19 yrs on file
- Profile last updated
- October 23, 2025
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State licenses (4)
- California #85308 · Oklahoma #29428 · Indiana #01064419A · Guam #MC-148
- Medicaid
- OK #200479910A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255513859. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,068
Distinct HCPCS
10
Medicare allowed
$605,270
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77014 |
Ct guidance for insertion of radiation therapy fields | 711 | 121 | $115 | |
G6012 |
Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev | 334 | 17 | $208 | |
G6015 |
Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | 247 | 12 | $318 | |
77336 |
Continuing radiation therapy consultation per week | 148 | 68 | $83 | |
77525 |
Complex proton beam radiation treatment | 124 | 75 | $1,295 | |
77427 |
Radiation treatment management, 5 treatment sessions | 119 | 35 | $182 | |
77334 |
Design and construction of complex radiation treatment device | 99 | 45 | $117 | |
G6002 |
Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 88 | 38 | $78 | |
77523 |
Intermediate proton beam radiation treatment | 85 | 52 | $1,147 | |
77263 |
Complex radiation therapy planning | 32 | 31 | $160 |
In context: peer comparison
Among 14 peers in this city , average services per provider: 137. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$137
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Teleflex LLC | 1 | $114.81 | |
| PROGENICS PHARMACEUTICALS, INC. | 1 | $22.32 |
By nature of payment
Frequently asked questions
What is Dr. Andrew Chang's medical specialty?
Dr. Andrew Chang practices Radiation Oncology Physician in San Diego, CA.
Where does Dr. Andrew Chang practice?
Dr. Andrew Chang practices at 9730 Summers Ridge RD, San Diego, CA 921213101. Office phone: 8585497400.
What is Dr. Andrew Chang's NPI?
Dr. Andrew Chang's National Provider Identifier (NPI) is 1255513859, issued by NPPES.
Does Dr. Andrew Chang accept Medicare assignment?
Yes. Dr. Andrew Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Chang commonly perform?
Top Medicare-reported procedures in 2023: 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); Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc (HCPCS G6015). Source: CMS Medicare Physician & Other Practitioners file.