Doctor profile · Federal record
Dr. William Dillon, MD
Neuroradiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · San Francisco, CA
- NPI 1386609337
- Accepts Medicare
- MIPS 70.8 / 100 · 2023
- 48 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
505 Parnassus Ave
San Francisco, CA 941432204
(415) 353-1668
fax (415) 353-8593 - Mailing address
-
1635 Divisadero St, Ste 625, Box 1821
San Francisco, CA 941430001
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- June 6, 2008
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 2085N0700X — NUCC code
- State license (1)
- California #G47564
- Medicaid
- CA #00G475640
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386609337. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
390
Distinct HCPCS
10
Medicare allowed
$31,572
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
70450 |
Ct scan head or brain without contrast | 83 | 76 | $44 | |
70553 |
Mri scan of brain before and after contrast | 41 | 40 | $122 | |
70496 |
Ct scan of blood vessels of head with contrast | 32 | 32 | $94 | |
70498 |
Ct scan of blood vessels of neck with contrast | 32 | 32 | $90 | |
72125 |
Ct scan of upper spine without contrast | 28 | 28 | $53 | |
77012 |
Review by radiologist of ct guidance for needle placement | 26 | 24 | $78 | |
62328 |
Removal of spinal fluid with lower back spinal tap for diagnostic test using imaging guidance | 18 | 16 | $95 | |
77012 |
Review by radiologist of ct guidance for needle placement | 17 | 17 | $78 | |
64483 |
Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level | 16 | 15 | $147 | |
62284 |
Injection of contrast for imaging of lower spinal canal | 15 | 15 | $95 |
In context: peer comparison
Among 17 peers in San Francisco Neuroradiology Physician, average services per provider: 63. This provider delivers 6.2× the peer median.Open Payments
Industry payments received
All-time total
$117
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 1 | $116.65 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. William Dillon's medical specialty?
Dr. William Dillon practices Neuroradiology Physician in San Francisco, CA.
Where does Dr. William Dillon practice?
Dr. William Dillon practices at 505 Parnassus Ave, San Francisco, CA 941432204. Office phone: 4153531668.
What is Dr. William Dillon's NPI?
Dr. William Dillon's National Provider Identifier (NPI) is 1386609337, issued by NPPES.
Does Dr. William Dillon accept Medicare assignment?
Yes. Dr. William Dillon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Dillon commonly perform?
Top Medicare-reported procedures in 2023: Ct scan head or brain without contrast (HCPCS 70450); Mri scan of brain before and after contrast (HCPCS 70553); Ct scan of blood vessels of head with contrast (HCPCS 70496). Source: CMS Medicare Physician & Other Practitioners file.