ALEXANDER CARLSON DO
NPI 1548898588
Anesthesiology in Brighton, MA
About Alexander Carlson Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER CARLSON DO (NPI 1548898588) is an individual anesthesiology provider in Brighton, Massachusetts, licensed in Massachusetts (1019364) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and maintains a secondary practice location in Worcester.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Alexander Carlson Do 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 Reassignment
Medicare enrollment records show Alexander Carlson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Umass Memorial Healthalliance Hospitals
Acute Care Hospitals · Leominster, MAUmass Memorial Health - Harrington Hospital
Acute Care Hospitals · Southbridge, MAUmass Memorial Medical Center/University Campus
Acute Care Hospitals · Worcester, 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 02135
BRIGHTON, MA 02135
BOSTON, MA 02135
BRIGHTON, MA 02135
BRIGHTON, MA 02135
BOSTON, MA 02135
BRIGHTON, MA 02135
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 Alexander Carlson's NPI number?
The NPI number for Alexander Carlson is 1548898588. It was assigned to this individual provider in the NPPES registry on March 27, 2020.
Where is Alexander Carlson located?
Alexander Carlson practices at 736 Cambridge St, Brighton, MA 02135. The listed phone number is (617) 789-3023.
What is Alexander Carlson's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Alexander Carlson enrolled in Medicare?
Yes. Alexander Carlson 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 Alexander Carlson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Carlson reassigns Medicare benefits to Umass Memorial Medical Group Inc (Worcester, 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 Alexander Carlson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Carlson accept?
Health plans from Taro Health list Alexander Carlson 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 Alexander Carlson affiliated with any hospitals?
According to CMS data, Alexander Carlson is affiliated with Umass Memorial Healthalliance Hospitals, Umass Memorial Health - Harrington Hospital and Umass Memorial Medical Center/University Campus.
When was this NPI record last updated?
The NPPES record for Alexander Carlson was last updated on September 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Alexander Carlson, DO · NPI 1548898588
Anesthesiology physician in Brighton, Massachusetts. Individual provider, active in the CMS NPPES registry since March 27, 2020.
## Identity
- **NPI:** 1548898588 (Entity type: Individual)
- **Enumerated:** March 27, 2020
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 1019364 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 736 CAMBRIDGE ST, Brighton, MA 02135-2907
- **Phone:** (617) 789-3023
## 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:** Umass Memorial Medical Group Inc (NPI 1760445373, Worcester, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of New England, College Of Osteo Medicine, class of 2020
## Record status
- **NPPES last updated:** September 20, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1548898588) · Data from the CMS NPPES public registry.