Physician Profile
Karen P. Frei, M.D.
Unclaimed ProfileAbout Dr. Frei
Karen P. Frei, M.D. is a healthcare provider in Loma Linda, CA specializing in neurology. Karen trained at Jefferson Medical College of Thomas Jefferson University, graduating in 1992. Medicare claims data shows Karen provided 6,451 services to 466 patients. The services billed most often include injection, incobotulinumtoxin a, 1 unit, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (909) 588-2880
- Email not available
Practice Locations
11370 ANDERSON ST # B-100
Loma Linda, CA 92354
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
- Alzheimer's disease
- Epilepsy
- Migraines
- Multiple sclerosis
- Neuropathy
- Parkinson's disease
Headache and facial pain
- Tension headaches
- Trigeminal neuralgia
Memory and cognition
- Mild cognitive impairment
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
Brain tumors
Head & Facial Pain
Memory & Cognitive
Movement Disorders
- Balance Problems and Ataxia
- Stiff neck
- Stiff Person Syndrome
- Tourette Syndrome and Tics
Nerve Compression
- Sciatica
Sleep & Movement
Spine and nerve
- Cervical radiculopathy
Spine, brain injury, and functional
- Bell's palsy
- Concussion
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
Office procedures
Trauma & Injury
- Concussion Evaluation and Baseline Testing
- Concussion Return-to-Play Clearance
Procedures Most Often Billed to Medicare
6,451 services · 466 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of chemical for paralysis of nerve muscles on side of neck excluding voice box | Procedure | 64616 |
31 | Less often than most peers in Neurology |
| Electronic analysis of implanted brain, spinal cord, or peripheral neurostimulator generator with brain stimulator programming, first 15 minutes with qualified health professional | Treatment | 95983 |
71 | More often than most peers in Neurology |
| Electronic analysis of implanted brain, spinal cord, or peripheral neurostimulator generator with brain stimulator programming, each additional 15 minutes with qualified health professional | Treatment | 95984 |
63 | As often as other peers in Neurology |
| Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle | Treatment | 95874 |
43 | As often as other peers in Neurology |
| Injection, incobotulinumtoxin a, 1 unit | Drug given | J0588 |
5,700 | Less often than most peers in Neurology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
274 | More often than most peers in Neurology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
143 | More often than most peers in Neurology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
56 | More often than most peers in Neurology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
48 | As often as other peers in Neurology |
| 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 |
22 | 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.
Other neurologists at this location 1
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.
Other neurologists in Loma Linda 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Jefferson Medical College of Thomas Jefferson University 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at Jefferson Medical College of Thomas Jefferson University 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of chemical for paralysis of nerve muscles on side of neck excluding voice box 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Karen P. Frei?
Karen P. Frei is a neurologist in Loma Linda, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
What is Karen P. Frei's address?
Karen P. Frei is listed at 11370 Anderson St # B-100, Loma Linda, CA 92354. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Karen P. Frei?
The number on file is (909) 588-2880. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Karen P. Frei?
Karen P. Frei's National Provider Identifier is 1902836141. 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 Karen P. Frei train?
Karen P. Frei attended Jefferson Medical College of Thomas Jefferson University, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Karen P. Frei have?
Karen P. Frei has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What procedures does Karen P. Frei perform?
According to Medicare billing data, Karen P. Frei performs procedures including injection of chemical for paralysis of nerve muscles on side of neck excluding voice box; provides treatments such as electronic analysis of implanted brain, spinal cord, or peripheral neurostimulator generator with brain stimulator programming, first 15 minutes with qualified health professional and electronic analysis of implanted brain, spinal cord, or peripheral neurostimulator generator with brain stimulator programming, each additional 15 minutes with qualified health professional, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Karen P. Frei's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Karen P. Frei. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.