Physician Profile
Richard Williamson, MD is a healthcare provider in Chandler, AZ specializing in neurological surgery. Richard trained at University of Pittsburgh School of Medicine, graduating in 2009. Medicare claims data shows Richard provided 380 services to 344 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
1875 W FRYE RD STE 300
Chandler, AZ 85224
Within Neurological Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Brain & spine conditions
Brain conditions
Brain disorders
Brain injury
Brain tumors
Movement disorders
Nerve disorders
Pain
Pediatric conditions
Spine & back
Spine conditions
Spine deformity
Trauma & injury
Most searched procedures
Brain & spine surgery
Brain procedures
Brain surgery
Cranial reconstruction
Diagnostic & therapeutic
Endovascular procedures
Functional neurosurgery
Monitoring & trauma
Nerve procedures
Nerve surgery
Pain procedures
Pediatric neurosurgery
Radiation & radiosurgery
Radiation surgery
Skull base surgery
Spasticity treatment
Spine procedures
Spine surgery
Vascular neurosurgery
380 services · 344 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Occlusion of central nervous system or spinal cord artery | Procedure | 61624 |
18 |
| Removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance | Procedure | 61645 |
16 |
| Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist | Procedure | 36224 |
13 |
| Imaging of blood vessel | Imaging | 75898 |
21 |
| Review by radiologist of image for insertion of material to block blood flow | Imaging | 75894 |
18 |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
15 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
99 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
48 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
35 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
32 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Williamson is a neurosurgeon in Chandler, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurological Surgery”.
NPI registry
Dr. Williamson is listed at 1875 W Frye Rd Ste 300, Chandler, AZ 85224. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (480) 917-5600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Williamson's National Provider Identifier is 1609040609. 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. Williamson attended University of Pittsburgh School of Medicine, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
Dr. Williamson has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Williamson performs procedures including occlusion of central nervous system or spinal cord artery, removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance and insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist; reads or performs imaging such as imaging of blood vessel and review by radiologist of image for insertion of material to block blood flow, 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. Williamson. 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.