Dentist · Palo Alto, CA
NPI
1194106682
Since 2015
Specialty
Dentist
Code 122300000X
Group practices
2
Medicare group memberships
Hospitals
1
Hospital affiliations
300 Pasteur Dr
Palo Alto, CA, 94304
Phone (650) 723-4000
Groups this clinician bills Medicare through
Medicare paid, 2024
$27K
251 services
Medicare patients, 2024
124
Average age 71
Drug cost, 2024
$1,167
114 prescriptions
Company payments, 2025
$1,036
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Crystal Chang was code 70355 (standard x-ray), 58 times for 58 patients. In total Crystal Chang billed 251 services in 22 codes, and Medicare paid $27K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2024-04-24.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 70355 Standard X-ray | Office | 58 | 58 | $16.88 | $979 |
| 99204 Office E&M - New | Office | 44 | 44 | $152.14 | $6,694 |
| 99203 Office E&M - New | Office | 37 | 37 | $100.70 | $3,726 |
| 99212 Office E&M - Established | Office | 17 | 17 | $55.47 | $943 |
| 99214 Office E&M - Established | Office | 13 | 12 | $117.48 | $1,527 |
By year: 2022 $10K for 86 services; 2023 $18K for 178 services; 2024 $27K for 251 services.
Medicare prescription drug claims, 2024
In 2024, the drug Crystal Chang prescribed most often to Medicare patients was Chlorhexidine Gluconate, with 27 prescriptions and refills. In total Crystal Chang wrote 114 Medicare prescriptions that cost $1,167.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Chlorhexidine Gluconate Generic | 27 | 27 | 18 | $121 |
| Prevident 5000 Enamel Protect Sodium Fluoride/Potassium Nit | 25 | 26 | 11 | $515 |
| Amoxicillin-Clavulanate Potass Amoxicillin/Potassium Clav | 18 | 18 | 16 | $171 |
Brand drugs: 0 claims; generic drugs: 82 claims; opioid claims: 12.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Crystal Chang $1,036 ($1,036 in general payments such as food, travel and fees) from 1 company. The largest payer was Stryker Corporation with $1,036.
| Company | Payments | Amount |
|---|---|---|
| Stryker Corporation SYK | 8 | $1,036 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.