DR. JUSTIN GRANSTEIN MD
NPI 1699169599
Psychiatry & Neurology - Neurology in Boston, MA

Active since March 27, 2015PECOS EnrolledAccepts Medicare Assignment
110 FRANCIS ST STE 3B, BOSTON, MA 02215(617) 632-7246 Get Directions Write a Review

NPPES record last updated: July 20, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 20, 2023, Dec 22, 2022, Jun 29, 2021 and 1 more (4 updates tracked since 2021).

About Dr. Justin Granstein Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JUSTIN GRANSTEIN MD (NPI 1699169599) is an individual neurology provider in Boston, Massachusetts, licensed in Massachusetts (1015998) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, is affiliated with Cape Cod Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1699169599
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. JUSTIN GRANSTEINCredential: MD
Location Address110 FRANCIS ST STE 3BBoston, MA 02215-5501
Mailing Address110 Francis St Ste 3bBoston, MA 02215-5501
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateMarch 27, 2015
Last NPPES UpdateJuly 20, 20234 updates tracked since enumeration
NPPES CertifiedJuly 20, 2023
NPI 1699169599 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License Licensed in MA · 1015998
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Also ListedPsychiatry & Neurology · Neurocritical CareTaxonomy 2084A2900X · License 1015998 (MA)
110 FRANCIS ST STE 3B, Boston, MA 02215

Secondary Practice Locations 2

Location 1200 S Manchester Ave Ste 210Orange, CA 92868-3211 · Phone (714) 456-7495
Location 2101 The City Dr SOrange, CA 92868-3201 · Phone (714) 880-7812

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Justin Granstein Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496067753
PECOS Enrollment IDI20230912000288
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ultrasonic guidance for blood vessel access 76937
Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.
48 services38 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
32 services23 patients
Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist 36224
This procedure involves placing a small tube into your neck artery. It helps diagnose or treat certain conditions. A radiologist, a doctor specializing in medical imaging, reviews the process to ensure accuracy and safety.
31 services28 patients
Insertion of tube into brain artery for diagnosis or treatment with review by radiologist 36226
This procedure involves inserting a thin tube into a brain artery. It aids in diagnosing or treating brain conditions. A radiologist reviews the process to ensure accuracy and safety. It's a critical step in managing brain health effectively.
30 services26 patients
Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist 36227
This procedure involves placing a small tube into an artery in your neck. This is done to diagnose or treat certain conditions. A radiologist, a doctor who specializes in medical imaging, will review the procedure to ensure everything is done correctly.
20 services16 patients
Removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance 61645
This procedure involves removing a blood clot from a head artery. A special imaging technique called fluoroscopy is used for guidance. Additionally, an injection is given to help dissolve any remaining clot. This helps restore normal blood flow to the brain.
18 services18 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Cape Cod Hospital

Acute Care Hospitals · Hyannis, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220012
Location27 Park StreetHyannis, MA 02601 · Barnstable County
Emergency services Birthing friendly

Beth Israel Deaconess Hospital Plymouth

Acute Care Hospitals · Plymouth, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220060
Location275 Sandwich StreetPlymouth, MA 02360 · Plymouth County
Emergency services Birthing friendly

Beth Israel Deaconess Hospital - Needham

Acute Care Hospitals · Needham, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220083
Location148 Chestnut StreetNeedham, MA 02494 · Norfolk County
Emergency services

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220086
Location330 Brookline AvenueBoston, MA 02215 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Acute Care)
110 FRANCIS ST STE 3B
BOSTON, MA 02215
Physician Assistant
110 FRANCIS ST STE 3B
BOSTON, MA 02215
Physician Assistant
110 FRANCIS ST STE 3B
BOSTON, MA 02215
Nurse Practitioner (Acute Care)
110 FRANCIS ST STE 3B
BOSTON, MA 02215
Physician Assistant
110 FRANCIS ST STE 3B
BOSTON, MA 02215
Neurological Surgery
110 FRANCIS ST STE 3B, BETH ISRAEL DEACONESS MEDICAL CENTER
BOSTON, MA 02215
Neurological Surgery
110 FRANCIS ST STE 3B, BETH ISRAEL DEACONESS MEDICAL CENTER
BOSTON, MA 02215
Nurse Practitioner (Acute Care)
110 FRANCIS ST STE 3B
BOSTON, MA 02215

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Justin Granstein's NPI number?

The NPI number for Justin Granstein is 1699169599. It was assigned to this individual provider in the NPPES registry on March 27, 2015.

Where is Justin Granstein located?

Justin Granstein practices at 110 Francis St Ste 3B, Boston, MA 02215. The listed phone number is (617) 632-7246.

What is Justin Granstein's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Justin Granstein enrolled in Medicare?

Yes. Justin Granstein is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Justin Granstein affiliated with any hospitals?

According to CMS data, Justin Granstein is affiliated with Cape Cod Hospital, Beth Israel Deaconess Hospital Plymouth, Beth Israel Deaconess Hospital - Needham and Beth Israel Deaconess Medical Center.

When was this NPI record last updated?

The NPPES record for Justin Granstein was last updated on July 20, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.