Physician Profile
Unclaimed ProfileAbout DILLON
William P Dillon, MD practises diagnostic radiology in San Francisco, CA. William is a 1978 graduate of University of California, Geffen School of Medicine. William is also listed as specialising in nuclear medicine.
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. Dillon specialise in?
Dr. Dillon is a diagnostic radiology in San Francisco, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
Where is Dr. Dillon located?
Dr. Dillon is listed at 505 PARNASSUS AVE, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Dillon's phone number?
The number on file is (415) 353-1668. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Dillon?
Dr. Dillon's National Provider Identifier is 1386609337. 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. Dillon go to medical school?
Dr. Dillon attended University of California, Geffen School of Medicine, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Dillon have?
Dr. Dillon has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Dillon do most often?
According to Medicare billing data, Dr. Dillon performs procedures including injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level, injection of anesthetic and/or steroid drug into upper or middle spine nerve root using imaging guidance, single level and injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level; reads or performs imaging such as ct scan head or brain without contrast and review by radiologist of ct guidance for needle placement. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Dillon's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Dillon. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (415) 353-1668
- Email not available
Practice Locations
505 PARNASSUS AVE
San Francisco, CA 94143
Procedures Most Often Billed to Medicare
213 services · 204 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level | Procedure | 64483 |
21 |
| Injection of anesthetic and/or steroid drug into upper or middle spine nerve root using imaging guidance, single level | Procedure | 64479 |
14 |
| Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level | Procedure | 64484 |
13 |
| Ct scan head or brain without contrast | Imaging | 70450 |
63 |
| Review by radiologist of ct guidance for needle placement | Imaging | 77012 |
26 |
| Mri scan of brain before and after contrast | Imaging | 70553 |
24 |
| Ct scan of upper spine without contrast | Imaging | 72125 |
23 |
| Ct scan of blood vessels of head with contrast | Imaging | 70496 |
16 |
| Ct scan of blood vessels of neck with contrast | Imaging | 70498 |
13 |
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 diagnostic radiology specialists at this location 3
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 diagnostic radiology specialists in San Francisco 5
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1978 at University of California, Geffen School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 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.