Physician Profile
Unclaimed ProfileAbout RYAN
Robert Wiliam John Ryan, M.D. is a healthcare provider in Fresno, CA specialising in neurosurgery. Robert is also listed as specialising in neurological surgery.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Ryan specialise in?
Dr. Ryan is a neurosurgery in Fresno, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEUROSURGERY”.
NPI registry
Where is Dr. Ryan located?
Dr. Ryan is listed at 45 E RIVER PARK PL W SUITE 104, Fresno, CA 93720. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Ryan's phone number?
The number on file is (559) 320-0530. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Ryan's NPI number?
Dr. Ryan's National Provider Identifier is 1720366024. 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. Ryan go to medical school?
Dr. Ryan attended Other, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ryan been practising?
Dr. Ryan has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Ryan do most often?
According to Medicare billing data, Dr. Ryan performs procedures including insertion of tube into brain artery for diagnosis or treatment with review by radiologist, insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist and occlusion of central nervous system or spinal cord artery; reads or performs imaging such as ultrasonic guidance for blood vessel access and 3d radiographic procedure with computerized image postprocessing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Ryan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ryan. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (559) 320-0530
- Email not available
Practice Locations
45 E RIVER PARK PL W SUITE 104
Fresno, CA 93720
Procedures Most Often Billed to Medicare
328 services · 287 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of tube into brain artery for diagnosis or treatment with review by radiologist | Procedure | 36226 |
26 |
| Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist | Procedure | 36224 |
24 |
| Occlusion of central nervous system or spinal cord artery | Procedure | 61624 |
17 |
| Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist | Procedure | 36227 |
17 |
| Computer-assisted procedure inside brain | Procedure | 61781 |
12 |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
25 |
| 3d radiographic procedure with computerized image postprocessing | Imaging | 76377 |
25 |
| Review by radiologist of image for insertion of material to block blood flow | Imaging | 75894 |
16 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
65 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
63 |
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.
Other neurosurgery specialists at this location 8
Same specialty, same street address — most likely the same department or group.
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.
Other neurosurgery specialists in Fresno 3
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of tube into brain artery for diagnosis or treatment with review by radiologist 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.