1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Psychiatry Neurology
  6. NPI Profile

DR. JOSHUA ARI KORNBLUTH M.D.
NPI 1124219589
Psychiatry & Neurology - Neurocritical Care in Boston, MA

Active since August 09, 2007PECOS EnrolledAccepts Medicare Assignment
800 WASHINGTON ST, BOX 314, BOSTON, MA 02111(617) 636-5854(617) 636-8199 Get Directions Write a Review

NPPES record last updated: September 28, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Joshua Ari Kornbluth M.d. NPPES

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

DR. JOSHUA ARI KORNBLUTH M.D. (NPI 1124219589) is an individual neurocritical care provider in Boston, Massachusetts, licensed in Massachusetts (255437) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with Lowell General Hospital, and is a graduate of New York Medical College (2007).

NPPES Registry Identity

NPI1124219589
Entity TypeIndividualMale
Primary Taxonomy2084A2900X
Provider Legal NameDR. JOSHUA ARI KORNBLUTHCredential: M.D.
Location Address800 WASHINGTON ST, BOX 314Boston, MA 02111-1552
Mailing Address800 Washington St, Box 314Boston, MA 02111-1552 · (617) 636-5854 · Fax (617) 636-8199
Phone(617) 636-5854
Fax(617) 636-8199
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2007
Enumeration DateAugust 9, 2007
Last NPPES UpdateSeptember 28, 2016
✔ NPI 1124219589 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Neurocritical CareAllopathic & Osteopathic Physicians
Taxonomy Code2084A2900X
License✔ Licensed in MA · 255437
Definition
The medical subspecialty of Neurocritical Care is devoted to the comprehensive, multisystem care of the critically-ill neurological patient. Like other intensivists, the neurointensivist generally assumes the primary role for coordinating the care of his or her patients in the ICU, both the neurological and medical management of the patient. They may also provide consultative services for these patients as requested within the health system.
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License 255437 (MA)
800 WASHINGTON ST, Boston, MA 02111
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Joshua Ari Kornbluth M.d. 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 ID4789833443
PECOS Enrollment IDI20130816000623
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.

Medicare Billing Reassignment

Medicare enrollment records show Joshua Kornbluth reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pratt Neurology Associates, Inc
Same address
Neurology
800 WASHINGTON ST, BOX 1013
Boston, MA 02111
  • Reassigned Medicare billing, Massachusetts enrollment
  • 40 clinicians in this Medicare group
NPI 1841237617 (617) 636-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
159 services56 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
50 services31 patients

Hospital Affiliations CMS Care Compare 3

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

Lowell General Hospital

Acute Care Hospitals · Lowell, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220063
Location295 Varnum AvenueLowell, MA 01854 · Middlesex County
Emergency services Birthing friendly

Melrosewakefield Healthcare

Acute Care Hospitals · Melrose, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220070
Location585 Lebanon StreetMelrose, MA 02176 · Middlesex County
Emergency services Birthing friendly

Tufts Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220116
Location800 Washington StreetBoston, MA 02111 · Suffolk County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

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

AARON DICKSTEIN M.D.
Internal Medicine (Gastroenterology)
800 WASHINGTON ST, BOX 233
BOSTON, MA 02111
Suffolk County (617) 636-5883
THOMAS E BIGELOW
Technician/Technologist (Optician)
800 WASHINGTON ST, BOX 450
BOSTON, MA 02111
Suffolk County (617) 636-5857
SARAH MERRIMAN PERSING M.D.
Plastic Surgery
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
DR. SHARANYA MOHANTY M.D.
Internal Medicine
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
AFRAH SADIQ SAIT MOHAMMED M.D.
Internal Medicine (Infectious Disease)
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (718) 629-7204
ADNAN SALIM QAMAR MD
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5829
ALICIA SIGIA WU MD
Psychiatry & Neurology (Psychiatry)
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-1619
ZEANAARONEVAN ANDRES LUNA
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-8100

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 Joshua Kornbluth's NPI number?

The NPI number for Joshua Kornbluth is 1124219589. It was assigned to this individual provider in the NPPES registry on August 9, 2007.

Where is Joshua Kornbluth located?

Joshua Kornbluth practices at 800 Washington St Box 314, Boston, MA 02111. The listed phone number is (617) 636-5854.

What is Joshua Kornbluth's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurocritical Care, with taxonomy code 2084A2900X.

Is Joshua Kornbluth enrolled in Medicare?

Yes. Joshua Kornbluth 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.

Which organization bills Medicare for Joshua Kornbluth's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Kornbluth reassigns Medicare benefits to Pratt Neurology Associates, Inc (Boston, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joshua Kornbluth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joshua Kornbluth accept?

Health plans from Taro Health list Joshua Kornbluth as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Joshua Kornbluth affiliated with any hospitals?

According to CMS data, Joshua Kornbluth is affiliated with Lowell General Hospital, Melrosewakefield Healthcare and Tufts Medical Center.

When was this NPI record last updated?

The NPPES record for Joshua Kornbluth was last updated on September 28, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.