Physician Profile
Unclaimed ProfileAbout RYAN
William Russell Ryan, M.D. practises otolaryngology in San Francisco, CA. William is a 2005 graduate of Stanford University School of Medicine. William is also listed as specialising in otolaryngology (ent).
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 is Dr. Ryan's specialty?
Dr. Ryan is an otolaryngology in San Francisco, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OTOLARYNGOLOGY”.
NPI registry
Where can I find Dr. Ryan?
Dr. Ryan is listed at 2340 CLAY ST FL 5, San Francisco, CA 94115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Ryan?
The number on file is (415) 600-3073. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Ryan?
Dr. Ryan's National Provider Identifier is 1184811549. 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
What is Dr. Ryan's medical education?
Dr. Ryan attended Stanford University School of Medicine, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ryan have?
Dr. Ryan has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Ryan known for?
According to Medicare billing data, Dr. Ryan performs procedures including diagnostic exam of voice box using a flexible endoscope, removal of lymph nodes, muscle, and tissue of neck and diagnostic exam of esophagus using a flexible endoscope through mouth; reads or performs imaging such as ultrasound scan of head and neck soft tissue, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Ryan's profile verified?
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
- (415) 600-3073
- Email not available
Practice Locations
2340 CLAY ST FL 5
San Francisco, CA 94115
Procedures Most Often Billed to Medicare
875 services · 704 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
236 |
| Removal of lymph nodes, muscle, and tissue of neck | Procedure | 38724 |
38 |
| Diagnostic exam of esophagus using a flexible endoscope through mouth | Procedure | 43200 |
30 |
| Removal of less than half of tongue | Procedure | 41120 |
21 |
| Diagnostic exam of lung airway using an endoscope | Procedure | 31622 |
17 |
| Biopsy or removal of deep lymph nodes of neck | Procedure | 38510 |
15 |
| Ultrasound scan of head and neck soft tissue | Imaging | 76536 |
115 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
124 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
97 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
61 |
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 otolaryngology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 31 related providers in 4 groups
Other otolaryngology specialists in San Francisco 7
Same specialty, same city.
Trained at Stanford University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Stanford University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of voice box using a flexible endoscope 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.