Physician Profile
Unclaimed ProfileAbout Dr. Masny
Based in Arroyo Grande, CA, Peter Sebastian Masny, MD is listed in the NPI registry under neurology. According to Medicare claims data, Peter cared for 737 Medicare patients across 980 services.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (805) 547-2224
- Email not available
Practice Locations
850 FAIR OAKS AVE STE 100
Arroyo Grande, CA 93420
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
Headache and facial pain
- Chronic migraine
- Cluster headache
- Medication-overuse headache
- Migraine
- Migraine with aura
- Tension headaches
- Trigeminal neuralgia
Memory and cognition
- Alzheimer's disease
- Dementia with Lewy bodies
- Frontotemporal dementia
- Mild cognitive impairment
- Primary progressive aphasia
- Vascular dementia
Movement disorders
- Ataxia
- Dystonia
- Essential tremor
- Huntington's disease
- Parkinson's disease
- Restless legs syndrome
- Tourette syndrome
Neuroimmunology
Neuromuscular and peripheral nerve
- Amyotrophic lateral sclerosis
- Carpal tunnel syndrome
- Chronic inflammatory demyelinating polyneuropathy
- Diabetic neuropathy
- Guillain-Barré syndrome
- Inflammatory myopathy
- Muscular dystrophy
- Myasthenia gravis
- Peripheral neuropathy
- Radiculopathy
Seizures and epilepsy
- Epilepsy and seizure disorders
- Focal epilepsy
- Functional seizures
- Generalized epilepsy
- Status epilepticus
Stroke and vascular
- Brain aneurysm
- Cerebral small-vessel disease
- Hemorrhagic stroke
- Ischemic stroke
- Transient ischemic attack
Spine, brain injury, and functional
- Bell's palsy
- Concussion
- Functional neurological disorder
- Spinal cord disorders
- Traumatic brain injury
Procedures & services
Consultation and testing
- Ambulatory EEG
- Cognitive and memory testing
- Comprehensive neurologic examination
- Electroencephalogram
- Electromyography
- Evoked-potential testing
- Inpatient video EEG monitoring
- Nerve-conduction studies
Treatment management
- Epilepsy medication management
- Migraine preventive treatment
- Multiple sclerosis disease-modifying treatment
- Neurologic infusion treatment
Office procedures
Procedures Most Often Billed to Medicare
980 services · 737 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Needle measurement of electrical activity in arm or leg muscles, complete study | Treatment | 95886 |
89 |
| Nerve conduction, 3-4 studies | Treatment | 95908 |
41 |
| Needle measurement of electrical activity in arm or leg muscles, limited study | Treatment | 95885 |
41 |
| Measurement of brain wave activity (eeg), 2-12 hours with health care professional review and report | Treatment | 95717 |
22 |
| Nerve conduction, 5-6 studies | Treatment | 95909 |
21 |
| Nerve conduction, 7-8 studies | Treatment | 95910 |
19 |
| Measurement of brain wave activity (eeg), awake and drowsy | Treatment | 95816 |
13 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
382 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
107 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
69 |
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 neurology specialists at this location 4
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.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 2003 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Needle measurement of electrical activity in arm or leg muscles, complete study 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Masny specialize in?
Dr. Masny is a neurology in Arroyo Grande, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEUROLOGY”.
NPI registry
Where is Dr. Masny located?
Dr. Masny is listed at 850 FAIR OAKS AVE STE 100, Arroyo Grande, CA 93420. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Masny's phone number?
The number on file is (805) 547-2224. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Masny's NPI number?
Dr. Masny's National Provider Identifier is 1144376740. 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. Masny go to medical school?
Dr. Masny attended Other, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Masny been practicing?
Dr. Masny has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Masny do most often?
According to Medicare billing data, Dr. Masny provides treatments such as needle measurement of electrical activity in arm or leg muscles, complete study and nerve conduction, 3-4 studies, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Masny confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Masny. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.