DR. BRENNAN MORRISON MD
NPI 1922627538
Radiology - Diagnostic Radiology in Andover, MA
About Dr. Brennan Morrison Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRENNAN MORRISON MD (NPI 1922627538) is an individual diagnostic radiology provider in Andover, Massachusetts, licensed in Massachusetts (1023047) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Melrosewakefield Healthcare, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Group Practice 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. Brennan Morrison 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 Brennan Morrison reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lowell, MA 01854
- Reassigned Medicare billing, Massachusetts enrollment
- 93 clinicians in this Medicare group
Melrose, MA 02176
- Reassigned Medicare billing, Massachusetts enrollment
- 75 clinicians in this Medicare group
Gardner, MA 01440
- Reassigned Medicare billing, Massachusetts enrollment
- 344 clinicians in this Medicare group
Gardner, MA 01440
- Reassigned Medicare billing, Massachusetts enrollment
- 218 clinicians in this Medicare group
Athol, MA 01331
- Reassigned Medicare billing, Massachusetts enrollment
- 324 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Melrosewakefield Healthcare
Acute Care Hospitals · Melrose, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01810 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.
ANDOVER, MA 01810
ANDOVER, MA 01810
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 Brennan Morrison's NPI number?
The NPI number for Brennan Morrison is 1922627538. It was assigned to this individual provider in the NPPES registry on April 14, 2020.
Where is Brennan Morrison located?
Brennan Morrison practices at 300 Brickstone Sq Ste 201, Andover, MA 01810. The listed phone number is (610) 892-8889.
What is Brennan Morrison's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Brennan Morrison enrolled in Medicare?
Yes. Brennan Morrison 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 Brennan Morrison's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brennan Morrison reassigns Medicare benefits to 5 organizations: Merrimack Radiology-Cra LLC (Lowell, MA), Mw Radiology-Cra LLC (Melrose, MA), Henry Heywood Memorial Hospital (Gardner, MA), Heywood Medical Group Inc. (Gardner, MA) and Athol Memorial Hospital Incorporated (Athol, 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 Brennan Morrison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Brennan Morrison affiliated with any hospitals?
According to CMS data, Brennan Morrison is affiliated with Melrosewakefield Healthcare.
When was this NPI record last updated?
The NPPES record for Brennan Morrison was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Brennan Morrison, MD · NPI 1922627538
Diagnostic Radiology physician in Andover, Massachusetts. Individual provider, active in the CMS NPPES registry since April 14, 2020.
## Identity
- **NPI:** 1922627538 (Entity type: Individual)
- **Enumerated:** April 14, 2020
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 1023047 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 300 BRICKSTONE SQ STE 201, Andover, MA 01810-1497
- **Phone:** (610) 892-8889
## 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): Merrimack Radiology-Cra LLC (NPI 1275871154, Lowell, MA); Mw Radiology-Cra LLC (NPI 1114555398, Melrose, MA); Henry Heywood Memorial Hospital (NPI 1205448701, Gardner, MA); Heywood Medical Group Inc. (NPI 1699762286, Gardner, MA); Athol Memorial Hospital Incorporated (NPI 1336120047, Athol, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Kansas School Of Med, class of 2016
## Record status
- **NPPES last updated:** August 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1922627538) · Data from the CMS NPPES public registry.