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Edit this profileWhere to find Gregory J. Porter, M.D.
- Grass Valley location main office
400 Sierra College Dr Ste B, Grass Valley, CA 95945 - Chico location
605 W East Ave, Chico, CA 95926
About Dr. Porter
Based in Grass Valley, CA, Gregory J. Porter, M.D. is listed in the NPI registry under anesthesiology. Gregory graduated from State University of New York at Stony Brook, School of Medicine in 1990. Gregory is also listed as specializing in anesthesiology — pain medicine and interventional pain medicine. According to Medicare claims data, Gregory cared for 2,914 Medicare patients across 4,107 services. The services billed most often include telephone medical discussion with physician, 21-30 minutes, anesthesia for lens surgery, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1790741262 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
- (530) 272-3428
- Email not available
Practice Locations
400 SIERRA COLLEGE DR STE B
Grass Valley, CA 95945
605 W East Ave
Chico, CA 95926
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
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
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 blocks
- Abdominal Nerve Block
- Celiac Plexus Nerve Block
- Ganglion impar block
- Groin nerve block
- Pudendal nerve block
- Superior hypogastric plexus block
Nerve injections
- Celiac plexus block
- Lumbar sympathetic block
- Nerve block
- Rib nerve block
- Shoulder nerve block
- Stellate ganglion block
Nerve procedures
Pain relief procedures
Regional anesthesia
Sedation
Sedation & anesthesia
- General anesthesia
- Labor epidural
- Moderate dental sedation
- Pre-surgery anesthesia consult
- Sedation for dental work
- Spinal spinal block
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
4,107 services · 2,914 patients · 23 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of lower or sacral spine facet joint using imaging guidance, single level | Procedure | 64493 |
65 | More often than most peers in Anesthesiology |
| Injection of lower or sacral spine facet joint using imaging guidance, second level | Procedure | 64494 |
64 | More often than most peers in Anesthesiology |
| Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level | Procedure | 64483 |
47 | As often as other peers in Anesthesiology |
| Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level | Procedure | 64484 |
37 | As often as other peers in Anesthesiology |
| Injection of upper or middle spine facet joint using imaging guidance, second level | Procedure | 64491 |
17 | Less often than most peers in Anesthesiology |
| Injection of upper or middle spine facet joint using imaging guidance, single level | Procedure | 64490 |
17 | Less often than most peers in Anesthesiology |
| Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint | Procedure | 64635 |
12 | Less often than most peers in Anesthesiology |
| Anesthesia for lens surgery | Anaesthesia | 00142 |
595 | More than most peers in Anesthesiology |
| Anesthesia for other procedure on eye | Anaesthesia | 00140 |
49 | More often than most peers in Anesthesiology |
| Anesthesia for procedure on eyelid | Anaesthesia | 00103 |
16 | As often as other 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.
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 anesthesiologists in Grass Valley 8
Same specialty, same city.
Trained at State University of New York at Stony Brook, School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1990 at State University of New York at Stony Brook, School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of lower or sacral spine facet joint using imaging guidance, single level 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Gregory J. Porter's specialty?
Gregory J. Porter is an anesthesiologist in Grass Valley, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Where can I find Gregory J. Porter?
Gregory J. Porter is listed at 400 Sierra College Dr Ste B, Grass Valley, CA 95945. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Gregory J. Porter?
The number on file is (530) 272-3428. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Gregory J. Porter's NPI number?
Gregory J. Porter's National Provider Identifier is 1790741262. 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 Gregory J. Porter's education?
Gregory J. Porter attended State University of New York at Stony Brook, School of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has Gregory J. Porter been practicing?
Gregory J. Porter has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What is Gregory J. Porter known for?
According to Medicare billing data, Gregory J. Porter performs procedures including injection of lower or sacral spine facet joint using imaging guidance, single level, injection of lower or sacral spine facet joint using imaging guidance, second level and injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level; provides treatments such as administration of psychological or neuropsychological test by technician, first 30 minutes and evaluation of neuropsychological test, first hour, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Gregory J. Porter confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory J. Porter. If this is you, claiming it is free.
Guide.md
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