DANIEL BRETT RUBIN M.D.
NPI 1912345414
Psychiatry & Neurology - Neurocritical Care in Boston, MA
About Daniel Brett Rubin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DANIEL BRETT RUBIN M.D. (NPI 1912345414) is an individual neurocritical care provider in Boston, Massachusetts, licensed in Massachusetts (266160) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Columbia University College Of Physicians And Surgeons (2013).
NPPES Registry Identity
Specialties & Licenses 2
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
Daniel Brett Rubin 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.
Medicare Billing Reassignments
13Medicare enrollment records show Daniel Rubin reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 15 clinicians in this Medicare group
Peabody, MA 01960
- Reassigned Medicare billing, Massachusetts enrollment
- 1,841 clinicians in this Medicare group
Fairhaven, MA 02719
- Reassigned Medicare billing, Massachusetts enrollment
- 1,144 clinicians in this Medicare group
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- 322 clinicians in this Medicare group
Bridgton, ME 04009
- Reassigned Medicare billing, Maine enrollment
- 563 clinicians in this Medicare group
Pittsfield, ME 04967
- Reassigned Medicare billing, Maine enrollment
- 140 clinicians in this Medicare group
Blue Hill, ME 04614
- Reassigned Medicare billing, Maine enrollment
- 125 clinicians in this Medicare group
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MASouth Shore Hospital
Acute Care Hospitals · South Weymouth, MAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Daniel Rubin's NPI number?
The NPI number for Daniel Rubin is 1912345414. It was assigned to this individual provider in the NPPES registry on June 6, 2013.
Where is Daniel Rubin located?
Daniel Rubin practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 726-2000.
What is Daniel Rubin's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurocritical Care, with taxonomy code 2084A2900X.
Is Daniel Rubin enrolled in Medicare?
Yes. Daniel Rubin 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 organizations bill Medicare for Daniel Rubin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Rubin reassigns Medicare benefits to 13 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA), Brigham & Womens Physicians Organization Inc (Boston, MA), Newton Wellesley Neurology Associates, P.C. (Newton, MA), Lahey Clinic, Inc (Peabody, MA) and 8 more organizations, listed in the Medicare section above. Each 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 Daniel Rubin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Daniel Rubin affiliated with any hospitals?
According to CMS data, Daniel Rubin is affiliated with Massachusetts General Hospital and South Shore Hospital.
When was this NPI record last updated?
The NPPES record for Daniel Rubin was last updated on March 6, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Daniel Brett Rubin, M.D. · NPI 1912345414
Neurocritical Care physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 6, 2013.
## Identity
- **NPI:** 1912345414 (Entity type: Individual)
- **Enumerated:** June 6, 2013
- **Primary specialty:** Psychiatry & Neurology - Neurocritical Care · taxonomy 2084A2900X
- **State license:** 266160 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, Boston, MA 02114-2621
- **Phone:** (617) 726-2000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 13 organizations under Medicare reassignment (form CMS-855R): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); Newton Wellesley Neurology Associates, P.C. (NPI 1487769600, Newton, MA); Lahey Clinic, Inc (NPI 1063447316, Peabody, MA); and 8 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 2013
## Record status
- **NPPES last updated:** March 6, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1912345414) · Data from the CMS NPPES public registry.