Physician Profile
Based in Stanford, CA, Felix W. Chang, MD is listed in the NPI registry under clinical neurophysiology. Felix graduated from University of Texas Southwestern Medical School at Dallas in 2016. Felix is also listed as specializing in neurology. Medicare claims data shows Felix provided 1,179 services to 296 patients. The services billed most often include continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure), needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle, and placement of skin electrodes and measurement of stimulated sites on arms and legs.
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.
300 PASTEUR DR
Stanford, CA 94305
725 Welch Rd
Palo Alto, CA 94304
1,179 services · 296 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of chemical for paralysis of nerve muscles on arm or leg, 1-4 muscles, each additional extremity | Procedure | 64643 |
34 | Too few peers to compare |
| Injection of chemical for paralysis of nerve muscles on arm or leg, 5 or more muscles, first extremity | Procedure | 64644 |
33 | Too few peers to compare |
| Injection of chemical for paralysis of nerve muscles on arm or leg, 1-4 muscles, first extremity | Procedure | 64642 |
23 | Too few peers to compare |
| Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle | Treatment | 95874 |
76 | Too few peers to compare |
| Placement of skin electrodes and measurement of stimulated sites on arms and legs | Treatment | 95938 |
58 | As often as other peers in Clinical Neurophysiology |
| Placement of skin electrodes and measurement of central motor stimulation in arms and legs | Treatment | 95939 |
56 | As often as other peers in Clinical Neurophysiology |
| Needle measurement of electrical activity in arm or leg muscles, 2 extremities | Treatment | 95861 |
41 | Less often than most peers in Clinical Neurophysiology |
| Measurement of brain wave activity (eeg), in coma or asleep | Treatment | 95822 |
13 | Less often than most peers in Clinical Neurophysiology |
| Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) | Billing code | G0453 |
845 | As often as other peers in Clinical Neurophysiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Chang is a clinical neurophysiology in Stanford, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Chang is listed at 300 Pasteur Dr, Stanford, CA 94305. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (650) 723-4000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Chang's National Provider Identifier is 1174987283. 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 University of Texas Southwestern Medical School at Dallas, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
Dr. Chang has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Chang performs procedures including injection of chemical for paralysis of nerve muscles on arm or leg, 1-4 muscles, each additional extremity, injection of chemical for paralysis of nerve muscles on arm or leg, 5 or more muscles, first extremity and injection of chemical for paralysis of nerve muscles on arm or leg, 1-4 muscles, first extremity; provides treatments such as needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle and placement of skin electrodes and measurement of stimulated sites on arms and legs. 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.