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Edit this profileAt a glance
- 1001 Potrero Ave, Rm 4M62, San Francisco, CA 94110
About Dr. Corn
William R. Corn, MD practices neurology in San Francisco, CA. William is a 1988 graduate of Eastern Virginia Medical School. William is also listed as specializing in neurological surgery. Medicare claims data shows William provided 65 services to 49 patients. The services billed most often include 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 moderate level of medical decision making, if using time, at least 75 minutes. The provider's National Provider Identifier (NPI) is 1962457903.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (415) 206-4353
- Email not available
Practice Locations
1001 POTRERO AVE RM 4M62
San Francisco, CA 94110
Conditions Commonly Evaluated or Treated
Within Neurology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Headache and facial pain
Memory and cognition
Movement disorders
Neuromuscular and peripheral nerve
- Amyotrophic lateral sclerosis
- Carpal tunnel
- Diabetic neuropathy
- Guillain-Barré syndrome
- Muscular dystrophy
- Myasthenia gravis
Seizures and epilepsy
Stroke and vascular
Brain & Spine
Brain tumors
Head & Facial Pain
Memory & Cognitive
Movement Disorders
Nerve Compression
Sleep & Movement
Spine and nerve
Spine, brain injury, and functional
Procedures & services
Most searched procedures
Consultation and testing
Consultations & Exams
Consultations and exams
Device management
Diagnostic Testing
- Cognitive and memory screening
- Genetic Testing for Neurological Disorders
- Neuromuscular Ultrasound
- Neuropsychological Testing
- Normal Pressure Hydrocephalus Tap Test
- Tilt Table Test
Infusion and medical therapies
Infusions & Therapies
- IVIG Infusion Therapy
- Migraine Preventive Injections and Infusions
- MS Disease-Modifying Infusion Therapy
- Plasmapheresis
Injections & Pain Relief
- Botox Injections for Excessive Drooling
- Botox Injections for Muscle Spasms and Dystonia
- Trigger Point Injections
Medication Management
Neuromodulation
Office procedures
Trauma & Injury
Procedures Most Often Billed to Medicare
65 services · 49 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
54 | As often as other peers in Neurology |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
11 | Less often than most peers in Neurology |
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 neurologists 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 — 23 related providers in 3 groups
Other neurologists in San Francisco 7
Same specialty, same city.
Trained at Eastern Virginia Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1988 at Eastern Virginia Medical School 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Corn specialize in?
Dr. Corn is a neurologist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
Where is Dr. Corn located?
Dr. Corn is listed at 1001 Potrero Ave Rm 4M62, San Francisco, CA 94110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Corn's phone number?
The number on file is (415) 206-4353. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Corn?
Dr. Corn's National Provider Identifier is 1962457903. 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. Corn go to medical school?
Dr. Corn attended Eastern Virginia Medical School, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Corn have?
Dr. Corn has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Corn do most often?
According to Medicare billing data, Dr. Corn the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Corn's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Corn. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.