DR. BLAKE LAURENS ROSENBAUM MD
NPI 1053871871
Psychiatry & Neurology - Psychiatry in Boston, MA
About Dr. Blake Laurens Rosenbaum Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BLAKE LAURENS ROSENBAUM MD (NPI 1053871871) is an individual psychiatry provider in Boston, Massachusetts, licensed in Massachusetts (290869) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 2
Accepted 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. Blake Laurens Rosenbaum 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
5Medicare enrollment records show Blake Rosenbaum reassigns Medicare billing to 5 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
Belmont, MA 02478
- Reassigned Medicare billing, Massachusetts enrollment
- 422 clinicians in this Medicare group
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 clinicians in this Medicare group
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 7,712 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 3
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.
Nyu Langone Hospitals
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 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 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 Blake Rosenbaum's NPI number?
The NPI number for Blake Rosenbaum is 1053871871. It was assigned to this individual provider in the NPPES registry on March 20, 2019.
Where is Blake Rosenbaum located?
Blake Rosenbaum practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 548-1553.
What is Blake Rosenbaum's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Blake Rosenbaum enrolled in Medicare?
Yes. Blake Rosenbaum 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 Blake Rosenbaum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Blake Rosenbaum reassigns Medicare benefits to 5 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA), The Mclean Hospital Corporation (Belmont, MA), Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA) and New York University (Boynton Beach, FL). 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 Blake Rosenbaum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Blake Rosenbaum accept?
Health plans from Oscar Health and Taro Health list Blake Rosenbaum 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 Blake Rosenbaum affiliated with any hospitals?
According to CMS data, Blake Rosenbaum is affiliated with Nyu Langone Hospitals.
When was this NPI record last updated?
The NPPES record for Blake Rosenbaum was last updated on March 5, 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.
# Dr. Blake Laurens Rosenbaum, MD · NPI 1053871871
Psychiatry physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 20, 2019.
## Identity
- **NPI:** 1053871871 (Entity type: Individual)
- **Enumerated:** March 20, 2019
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 290869 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 55 FRUIT ST, Boston, MA 02114-2621
- **Phone:** (617) 548-1553
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); The Mclean Hospital Corporation (NPI 1114979580, Belmont, MA); Mass General Brigham Medical Group Suburban Massachusetts Inc (NPI 1538191218, Newton, MA); New York University (NPI 1285826438, Boynton Beach, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** March 5, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1053871871) · Data from the CMS NPPES public registry.