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Physician Profile

Justin Granstein, MD

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Where to find Justin Granstein, MD

About 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. NPI 1699169599 identifies this record in the national registry.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

Medical School Other Graduated: 2015

Specialty

Neurology (Primary)
Neurology / Psychiatry (Additional)

Credentials & Licensing

MA licenceAs reported to the NPI registry
No. 1015998As reported
NPINational Provider Identifier
1699169599Issued 2015

As reported to the NPI registry ↗

Medicare information

Accepts Medicare assignmentYes
Telehealth reported to CMSYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

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. Contact the office directly to confirm availability and scheduling.

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.

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