Dr. Ruby J. Chang, M.D.
Pathology (Anatomic Pathology & Clinical Pathology Physician)
- Medicare participating
At a glance
- Medical school
- Baylor College of Medicine (2020)
- Years since graduation
- 6
- In the NPI registry since
- 2016
- Medicare patients seen, 2024
- 427
Licensed in Texas since 2021, according to the Texas Medical Board. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2020Medical school: Baylor College of Medicine
- 2016Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Anatomic Pathology & Clinical Pathology Physician primary
TX license T1918 (first issued 2021; active) - Student in an Organized Health Care Education/Training Program
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Beebe Medical Center Lewes, DE
- Ascension Seton Medical Center Austin Austin, TX
- Ascension Seton Northwest Austin, TX
- Ascension Seton Highland Lakes Burnet, TX
- Northwest Hills Surgical Hospital Austin, TX
Medical groups
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 427
- Services billed
- 1,388
- Patients’ average age
- 73
| Service | Times | Patients |
|---|---|---|
| Pathology examination of tissue using a microscope, intermediate complexity | 365 | 210 |
| Special stained specimen slides to examine tissue, each additional procedure | 219 | 50 |
| Special stained specimen slides to examine tissue, initial procedure | 116 | 87 |
| Pathology examination of tissue using a microscope, moderately high complexity | 104 | 68 |
| Pathology examination of tissue using a microscope, moderately low complexity | 40 | 39 |
| Preparation of tissue for examination by removing any calcium present | 35 | 27 |
| Microscopic genetic analysis of tumor, using computer-assisted technology | 25 | 11 |
| Special stained specimen slides to identify organisms including interpretation and report | 22 | 16 |
| Pathology examination of specimen during surgery, first tissue block | 17 | 14 |
| Evaluation of fine needle aspirate with interpretation and report | 16 | 12 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.