Physician Profile
Jennifer S. Chang, MD, PhD practices student in an organized health care education program in San Francisco, CA. Jennifer is a 2011 graduate of Harvard Medical School. According to Medicare claims data, Jennifer cared for 826 Medicare patients across 2,764 services. The services billed most often include stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy, ct guidance for insertion of radiation therapy fields, and calculation of radiation therapy dose.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1600 DIVISADERO STREET, SUITE H1031
San Francisco, CA 94143
2,764 services · 826 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
483 | Too few peers to compare |
| Calculation of radiation therapy dose | Imaging | 77300 |
474 | More than most peers in Student in training |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
421 | More than most peers in Student in training |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
176 | As often as other peers in Student in training |
| Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | Imaging | 77290 |
83 | Too few peers to compare |
| Complex radiation therapy planning | Imaging | 77263 |
80 | More often than most peers in Student in training |
| 3d radiation therapy planning | Imaging | 77295 |
70 | Too few peers to compare |
| Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | Imaging | 77280 |
56 | Too few peers to compare |
| Special radiation treatment | Imaging | 77470 |
47 | Too few peers to compare |
| Design and construction of radiation treatment device for high precision radiation therapy | Imaging | 77338 |
23 | As often as other peers in Student in training |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Chang is a medical trainee in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Student in an Organized Health Care Education Program”.
NPI registry
Dr. Chang is listed at 1600 Divisadero Street, Suite H1031, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (415) 353-7175. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Chang's National Provider Identifier is 1346535044. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Chang attended Harvard Medical School, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
Dr. Chang has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Chang performs imaging including ct guidance for insertion of radiation therapy fields and calculation of radiation therapy dose, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chang. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.