Physician Profile
Pauling Chang, MD
Unclaimed ProfileAbout Dr. Chang
Pauling Chang, MD is a healthcare provider in Sunnyvale, CA specializing in therapeutic radiology. Pauling trained at University of Southern California Keck School of Medicine, graduating in 1994. According to Medicare claims data, Pauling cared for 665 Medicare patients across 2,063 services. The services billed most often include intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session, 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.
Education & Training
Specialty
Credentials & Licensing
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.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (408) 730-2820
- Email not available
Practice Locations
301 OLD SAN FRANCISCO RD
Sunnyvale, CA 94086
Procedures Most Often Billed to Medicare
2,063 services · 665 patients · 20 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
284 | Less often than most peers in Therapeutic Radiology |
| Calculation of radiation therapy dose | Imaging | 77300 |
234 | More often than most peers in Therapeutic Radiology |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
196 | More often than most peers in Therapeutic Radiology |
| Continuing radiation therapy consultation per week | Imaging | 77336 |
161 | Too few peers to compare |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
101 | As often as other peers in Therapeutic Radiology |
| Complex radiation therapy planning | Imaging | 77263 |
44 | As often as other peers in Therapeutic Radiology |
| 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 |
38 | More often than most peers in Therapeutic Radiology |
| Design and construction of radiation treatment device for high precision radiation therapy | Imaging | 77338 |
24 | Less often than most peers in Therapeutic Radiology |
| 3d radiation therapy planning | Imaging | 77295 |
24 | As often as other peers in Therapeutic Radiology |
| X-ray during radiation therapy | Imaging | 77417 |
23 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Class of 1994 at University of Southern California Keck School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ct guidance for insertion of radiation therapy fields 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Chang specialize in?
Dr. Chang is a therapeutic radiology in Sunnyvale, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Chang located?
Dr. Chang is listed at 301 Old San Francisco Rd, Sunnyvale, CA 94086. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chang's phone number?
The number on file is (408) 730-2820. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Chang's NPI number?
Dr. Chang's National Provider Identifier is 1194884692. 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
Where did Dr. Chang go to medical school?
Dr. Chang attended University of Southern California Keck School of Medicine, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chang been practicing?
Dr. Chang has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chang do most often?
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
Has Dr. Chang confirmed this information?
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.