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- 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598
About Dr. Longton
Based in Walnut Creek, CA, William C. Longton, MD is listed in the NPI registry under anesthesiology. William graduated from University of Arizona College of Medicine in 1989. According to Medicare claims data, William cared for 3,261 Medicare patients across 7,038 services. 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, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and injection of drug or substance under skin or into muscle. NPI 1275625204 identifies this record in the national registry.
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
- (925) 939-3000
- Email not available
Practice Locations
1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598
Conditions Commonly Evaluated or Treated
Within Anesthesiology 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
Sedation & Phobias
Anesthesia complications
Back & spine
- Arthritis of the spine
- Degenerative disc disease
- Failed back surgery syndrome
- Herniated disc
- Lower back pain
- Neck pain
- Sacroiliac joint pain
- Spinal compression fracture
- Spinal stenosis
- Spondylolisthesis
- Tailbone pain
- Upper Back Pain
Chronic pain
Facial & jaw pain
General pain
Head & facial pain
Headaches
Joint pain
Mental health
Muscle pain
Musculoskeletal pain
Nerve pain
- Abdominal wall nerve pain
- Complex Regional Pain Syndrome
- Foot Numbness and Tingling
- Groin nerve pain after hernia surgery
- Nerve damage after surgery
- Neuropathy
- Outer thigh burning and numbness
- Phantom limb pain
- Pinched nerve
- Piriformis syndrome
- Sciatica
- Shingles pain
- Tarsal Tunnel Syndrome
Pelvic pain
Post-surgery recovery
Sedation & anesthesia
Spine pain
Procedures & services
Nerve blocks
- Celiac Plexus Nerve Block
- Abdominal Nerve Block
- Ganglion impar block
- Groin nerve block
- Pudendal nerve block
- Superior hypogastric plexus block
Nerve Blocks
Pain Relief Procedures
Regional anesthesia
Sedation
- In-Office Anesthesia for Plastic Surgery
- Pediatric Dental Sedation
- Sedation for Colonoscopy and Endoscopy
- Sedation for Egg Retrieval
- Sedation for MRI
- Sedation for Vasectomy
- IV sedation for endoscopy
Sedation & anesthesia
- General anesthesia
- Moderate dental sedation
- Sedation for dental work
- Labor epidural
- Pre-surgery anesthesia consult
- Spinal spinal block
Specialized Care
Vascular Access
Ablation
Head & facial procedures
Implants & devices
- Pain pump implant
- Pain pump refill and check
- Peripheral nerve stimulator implant
- Spinal cord stimulator implant
- Spinal cord stimulator trial
Infusion therapies
Infusion therapy
Joint injections
Muscle injections
Nerve injections
- Celiac plexus block
- Lumbar sympathetic block
- Nerve block
- Rib nerve block
- Shoulder nerve block
- Stellate ganglion block
Nerve procedures
Pain relief procedures
Spine injections
- Epidural steroid injection
- Facet joint injection
- Medial branch block
- Sacroiliac joint injection
- Tailbone epidural injection
Spine procedures
Procedures Most Often Billed to Medicare
7,038 services · 3,261 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of trigger points, 3 or more muscles | Procedure | 20553 |
131 | More than most peers in Anesthesiology |
| Injection of anesthetic agent and/or steroid into other nerve or branch | Procedure | 64450 |
123 | More than most peers in Anesthesiology |
| Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level | Procedure | 64483 |
79 | More often than most peers in Anesthesiology |
| Injection of anesthetic agent and/or steroid into suprascapular shoulder nerve | Procedure | 64418 |
76 | Too few peers to compare |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
76 | More often than most peers in Anesthesiology |
| Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level | Procedure | 64484 |
60 | More often than most peers in Anesthesiology |
| Injection of lower or sacral spine facet joint using imaging guidance, single level | Procedure | 64493 |
55 | More often than most peers in Anesthesiology |
| Injection of trigger points, 1-2 muscles | Procedure | 20552 |
55 | More often than most peers in Anesthesiology |
| Injection of lower or sacral spine facet joint using imaging guidance, second level | Procedure | 64494 |
52 | More often than most peers in Anesthesiology |
| Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint | Procedure | 64635 |
47 | More often than most peers in Anesthesiology |
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 anesthesiologists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
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 — 26 related providers in 4 groups
Other anesthesiologists in Walnut Creek 3
Same specialty, same city.
Trained at University of Arizona College of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 1989 at University of Arizona College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of trigger points, 3 or more muscles 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Longton specialize in?
Dr. Longton is an anesthesiologist in Walnut Creek, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Where is Dr. Longton located?
Dr. Longton is listed at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Longton's phone number?
The number on file is (925) 939-3000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Longton's NPI number?
Dr. Longton's National Provider Identifier is 1275625204. 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. Longton go to medical school?
Dr. Longton attended University of Arizona College of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Longton been practicing?
Dr. Longton has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Longton do most often?
According to Medicare billing data, Dr. Longton performs procedures including injection of trigger points, 3 or more muscles, injection of anesthetic agent and/or steroid into other nerve or branch and injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level; reads or performs imaging such as ultrasonic guidance for needle placement; provides treatments such as injection of drug or substance under skin or into muscle and administration of psychological or neuropsychological test by technician, first 30 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Longton confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Longton. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.