Physician Profile
Mohammad R. Hajighasemi-Ossareh, MD
Unclaimed ProfileAbout Dr. Hajighasemi-Ossareh
Based in Westminster, CA, Mohammad R. Hajighasemi-Ossareh, MD is listed in the NPI registry under neurology. Medicare claims data shows Mohammad provided 1,915 services to 1,065 patients. The services billed most often include subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more. NPI 1144683137 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
- (657) 666-7700
- Email not available
Practice Locations
200 HOSPITAL CIR
Westminster, CA 92683
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
- Essential tremor
- Huntington's disease
- Restless legs syndrome
Neuromuscular and peripheral nerve
- Amyotrophic lateral sclerosis
- Carpal tunnel
- Diabetic neuropathy
- Guillain-Barré syndrome
- Muscular dystrophy
- Myasthenia gravis
Seizures and epilepsy
- Functional seizures
Stroke and vascular
- Brain aneurysm
- Transient ischemic attack
Brain & Spine
- Severe back pain
Brain tumors
- Brain Tumor Symptoms
Head & Facial Pain
- Cluster Headaches
Memory & Cognitive
- Normal Pressure Hydrocephalus
Movement Disorders
- Balance Problems and Ataxia
- Stiff neck
- Stiff Person Syndrome
- Tourette Syndrome and Tics
Nerve Compression
Sleep & Movement
- Narcolepsy
Spine and nerve
- Cervical radiculopathy
Spine, brain injury, and functional
Procedures & services
Most searched procedures
- Botox for migraines
- EEG
- EMG
- Nerve block
- Sleep study
Consultation and testing
- Ambulatory EEG
- Evoked-potential testing
- Nerve-conduction studies
Consultations & Exams
- Neurological Second Opinion
- Spasticity Assessment and Treatment
- Stroke Risk Evaluation
Consultations and exams
- Neurological Exam and Consultation
Device management
- Deep Brain Stimulation Adjustment
- Responsive Neurostimulator Programming
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
- Neurology Infusion Therapy
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
- Seizure Medication Management
Neuromodulation
- Baclofen Pump Programming and Refills
- Vagus nerve stimulation management
Office procedures
- Lumbar puncture
- Occipital nerve block
Trauma & Injury
- Concussion Evaluation and Baseline Testing
- Concussion Return-to-Play Clearance
Procedures Most Often Billed to Medicare
1,915 services · 1,065 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Measurement of brain wave activity (eeg), awake and drowsy | Treatment | 95816 |
80 | More often than most peers in Neurology |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
847 | More than most peers in Neurology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
219 | More often than most peers in Neurology |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
198 | More often than most peers in Neurology |
| Telehealth consultation, emergency department or initial inpatient, typically 50 minutes communicating with the patient via telehealth | Billing code | G0426 |
135 | More than most peers in Neurology |
| Telehealth consultation, emergency department or initial inpatient, typically 70 minutes or more communicating with the patient via telehealth | Billing code | G0427 |
130 | More often than most peers in Neurology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
124 | More than most peers in Neurology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
40 | As often as other peers in Neurology |
| Telehealth consultation, critical care, initial , physicians typically spend 60 minutes communicating with the patient and providers via telehealth | Billing code | G0508 |
32 | As often as other peers in Neurology |
| Critical care, first 30-74 minutes | Office visit | 99291 |
32 | As often as other 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.
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 — 16 related providers in 2 groups
Class of 2016 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Measurement of brain wave activity (eeg), awake and drowsy 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Hajighasemi-Ossareh?
Dr. Hajighasemi-Ossareh is a neurologist in Westminster, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
What is Dr. Hajighasemi-Ossareh's address?
Dr. Hajighasemi-Ossareh is listed at 200 Hospital Cir, Westminster, CA 92683. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Hajighasemi-Ossareh?
The number on file is (657) 666-7700. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Hajighasemi-Ossareh?
Dr. Hajighasemi-Ossareh's National Provider Identifier is 1144683137. 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. Hajighasemi-Ossareh train?
Dr. Hajighasemi-Ossareh attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Hajighasemi-Ossareh have?
Dr. Hajighasemi-Ossareh has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Hajighasemi-Ossareh perform?
According to Medicare billing data, Dr. Hajighasemi-Ossareh provides treatments such as measurement of brain wave activity , awake and drowsy, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Hajighasemi-Ossareh's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hajighasemi-Ossareh. If this is you, claiming it is free.
Guide.md
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