Physician Profile
Justin Granstein, MD
Unclaimed ProfileAbout Dr. Granstein
Based in Boston, MA, Justin Granstein, MD is listed in the NPI registry under neurology. Justin is also listed as specializing in neurology / psychiatry. Medicare claims data shows Justin provided 293 services to 252 patients. The services billed most often include ultrasonic guidance for blood vessel access, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist.
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
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
- (617) 632-7246
- Email not available
Practice Locations
110 FRANCIS ST STE 3B
Boston, MA 02215
200 S Manchester Ave Ste 210
Orange, CA 92868
101 The City Dr S
Orange, CA 92868
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
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
Spine, brain injury, and functional
Procedures & services
Most searched procedures
Consultation and testing
Consultations & Exams
Consultations and exams
Device management
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
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
Office procedures
Trauma & Injury
Procedures Most Often Billed to Medicare
293 services · 252 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist | Procedure | 36224 |
31 | More often than most peers in Neurology |
| Insertion of tube into brain artery for diagnosis or treatment with review by radiologist | Procedure | 36226 |
30 | More often than most peers in Neurology |
| Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist | Procedure | 36227 |
20 | As often as other peers in Neurology |
| Removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance | Procedure | 61645 |
18 | More often than most peers in Neurology |
| Occlusion of central nervous system or spinal cord artery | Procedure | 61624 |
14 | Less often than most peers in Neurology |
| Insertion of tube into intracranial artery for diagnosis or treatment with review by radiologist | Procedure | 36223 |
12 | Less often than most peers in Neurology |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
48 | More often than most peers in Neurology |
| Imaging of blood vessel | Imaging | 75898 |
15 | Less often than most peers in Neurology |
| Review by radiologist of image for insertion of material to block blood flow | Imaging | 75894 |
14 | As often as other peers in Neurology |
| 3d radiographic procedure with computerized image postprocessing | Imaging | 76377 |
13 | Less often than most 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.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 Boston 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist 8
Providers in MA who bill this service to Medicare most often.
Common questions
What does Dr. Granstein specialize in?
Dr. Granstein is a neurologist in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
Where is Dr. Granstein located?
Dr. Granstein is listed at 110 Francis St Ste 3B, Boston, MA 02215. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Granstein's phone number?
The number on file is (617) 632-7246. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Granstein?
Dr. Granstein's National Provider Identifier is 1699169599. 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. Granstein go to medical school?
Dr. Granstein attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Granstein have?
Dr. Granstein has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Granstein do most often?
According to Medicare billing data, Dr. Granstein performs procedures including insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist, insertion of tube into brain artery for diagnosis or treatment with review by radiologist and insertion of tube into external neck artery for diagnosis or treatment with review by radiologist; reads or performs imaging such as ultrasonic guidance for blood vessel access and imaging of blood vessel; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Granstein's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Granstein. 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.