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Edit this profileWhere to find Mason P. Leeman-Markowski, MD, PhD
- Farmington location main office
263 Farmington Ave, Farmington, CT 06030 - Stony Brook location
Hsc T12-020, Stony Brook University, Stony Brook, NY 11794
About Dr. Leeman-Markowski
Based in Farmington, CT, Mason P. Leeman-Markowski, MD, PhD is listed in the NPI registry under vascular neurology. Mason is also listed as specializing in clinical neurophysiology. Medicare claims data shows Mason provided 212 services to 189 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional. NPI 1962666545 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
- (860) 679-4888
- Email not available
Practice Locations
263 FARMINGTON AVE
Farmington, CT 06030
Hsc T12-020 Stony Brook University
Stony Brook, NY 11794
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
Brain & memory
Specialized neurologic care
Spine, brain injury, and functional
Most searched conditions
Headache and facial pain
Memory and cognition
Movement disorders
Neuromuscular and peripheral nerve
- Amyotrophic lateral sclerosis
- Carpal tunnel
- Diabetic neuropathy
- Guillain-Barré syndrome
- Muscular dystrophy
- Myasthenia gravis
Seizures and epilepsy
Stroke and vascular
Brain & Spine
Brain tumors
Head & Facial Pain
Memory & Cognitive
Movement Disorders
Nerve Compression
Sleep & Movement
Spine and nerve
Procedures & services
Consultation and testing
- Comprehensive neurologic examination
- Inpatient video EEG monitoring
- Ambulatory EEG
- Evoked-potential testing
- Nerve-conduction studies
Device and advanced subspecialty
Diagnostic Testing
- Cognitive and memory screening
- Genetic Testing for Neurological Disorders
- Neuromuscular Ultrasound
- Neuropsychological Testing
- Normal Pressure Hydrocephalus Tap Test
- Tilt Table Test
Geriatric care
Office procedures
- Botulinum toxin injections for chronic migraine
- Botulinum toxin injections for dystonia or spasticity
- Lumbar puncture
- Occipital nerve block
Pain & wellness
Treatment management
- Epilepsy medication management
- Migraine preventive treatment
- Multiple sclerosis disease-modifying treatment
Most searched procedures
Consultations & Exams
Consultations and exams
Device management
Infusion and medical therapies
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
Neuromodulation
Trauma & Injury
Procedures Most Often Billed to Medicare
212 services · 189 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional | Treatment | 95720 |
22 | Too few peers to compare |
| Measurement of brain wave activity (eeg), 41-60 minutes | Treatment | 95812 |
13 | Too few peers to compare |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
52 | More often than most peers in Vascular Neurology |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
41 | As often as other peers in Vascular Neurology |
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Billing code | G2212 |
21 | Less often than most peers in Vascular Neurology |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
18 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
17 | Less often than most peers in Vascular 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 |
15 | Less often than most peers in Vascular Neurology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
13 | Less often than most peers in Vascular 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.
Class of 1998 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Leeman-Markowski?
Dr. Leeman-Markowski is a vascular neurology in Farmington, CT. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Leeman-Markowski's address?
Dr. Leeman-Markowski is listed at 263 Farmington Ave, Farmington, CT 06030. 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. Leeman-Markowski?
The number on file is (860) 679-4888. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Leeman-Markowski?
Dr. Leeman-Markowski's National Provider Identifier is 1962666545. 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. Leeman-Markowski train?
Dr. Leeman-Markowski attended Other, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Leeman-Markowski have?
Dr. Leeman-Markowski has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Leeman-Markowski perform?
According to Medicare billing data, Dr. Leeman-Markowski provides treatments such as measurement of brain wave activity with video , 12-26 hours with review and report by health care professional and measurement of brain wave activity , 41-60 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Leeman-Markowski's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Leeman-Markowski. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.