DR. STEVEN A GREENBERG MD
NPI 1114992831
Psychiatry & Neurology - Neurology in Boston, MA
About Dr. Steven A Greenberg Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVEN A GREENBERG MD (NPI 1114992831) is an individual neurology provider in Boston, Massachusetts, licensed in Massachusetts (156462) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and maintains a secondary practice location in Boston.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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. Steven A Greenberg 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.
Medicare Billing Reassignments
4Medicare enrollment records show Steven Greenberg reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Abington, MA 02351
- Reassigned Medicare billing, Massachusetts enrollment
- 27 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Brigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Steven Greenberg's NPI number?
The NPI number for Steven Greenberg is 1114992831. It was assigned to this individual provider in the NPPES registry on February 17, 2006.
Where is Steven Greenberg located?
Steven Greenberg practices at 75 Francis St Brigham & Womens Hosp Neuro, Boston, MA 02115. The listed phone number is (617) 732-8046.
What is Steven Greenberg's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Steven Greenberg enrolled in Medicare?
Yes. Steven Greenberg 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 Steven Greenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Greenberg reassigns Medicare benefits to 4 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA) and Angels Neurological Centers PC (Abington, MA). 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 Steven Greenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Steven Greenberg affiliated with any hospitals?
According to CMS data, Steven Greenberg is affiliated with Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for Steven Greenberg was last updated on April 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.
# Dr. Steven A Greenberg, MD · NPI 1114992831
Neurology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since February 17, 2006.
## Identity
- **NPI:** 1114992831 (Entity type: Individual)
- **Enumerated:** February 17, 2006
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 156462 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 75 FRANCIS ST, BRIGHAM & WOMENS HOSP NEURO, Boston, MA 02115
- **Phone:** (617) 732-8046
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); Angels Neurological Centers PC (NPI 1821027079, Abington, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 1988
## Record status
- **NPPES last updated:** April 20, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1114992831) · Data from the CMS NPPES public registry.