Doctor profile · Federal record
Dr. Crystal Chang, M.D.
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Novato, CA
- NPI 1518253012
- 15 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
180 Rowland Way
Novato, CA 949455009
(415) 290-1500
fax (415) 209-1501 - Additional location
-
2637 Shadelands Dr
Walnut Creek, CA 945982512
(925) 329-3710 - Mailing address
-
500 Redwood Blvd Ste 300
Novato, CA 949476921
Credentials & registration
- NPI registered
- June 2011 — 15 yrs on file
- Profile last updated
- December 2, 2024
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- California #A140488
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518253012. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
7,973
Distinct HCPCS
10
Medicare allowed
$142,637
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
A9585 |
Injection, gadobutrol, 0.1 ml | 5,195 | 66 | $0 | |
77067 |
Screening mammography | 699 | 699 | $42 | |
77063 |
Screening 3d breast mammography | 684 | 684 | $33 | |
77067 |
Screening mammography | 182 | 182 | $42 | |
77063 |
Screening 3d breast mammography | 163 | 163 | $33 | |
71045 |
X-ray of chest, 1 view | 158 | 154 | $10 | |
77065 |
Diagnostic mammography of 1 breast | 141 | 137 | $44 | |
76642 |
Limited ultrasound scan of 1 breast | 113 | 113 | $40 | |
71250 |
Ct scan of chest without contrast | 84 | 84 | $59 | |
77066 |
Diagnostic mammography of both breasts | 78 | 78 | $54 |
In context: peer comparison
Among 5 peers in Novato Diagnostic Radiology Physician, average services per provider: 115. This provider delivers 69× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Crystal Chang's medical specialty?
Dr. Crystal Chang practices Diagnostic Radiology Physician in Novato, CA.
Where does Dr. Crystal Chang practice?
Dr. Crystal Chang practices at 180 Rowland Way, Novato, CA 949455009. Office phone: 4152901500.
What is Dr. Crystal Chang's NPI?
Dr. Crystal Chang's National Provider Identifier (NPI) is 1518253012, issued by NPPES.
Does Dr. Crystal Chang accept Medicare assignment?
Dr. Crystal Chang does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Crystal Chang commonly perform?
Top Medicare-reported procedures in 2023: Injection, gadobutrol, 0.1 ml (HCPCS A9585); Screening mammography (HCPCS 77067); Screening 3d breast mammography (HCPCS 77063). Source: CMS Medicare Physician & Other Practitioners file.