DR. KARLBUTO ALEXANDRE DO
NPI 1043873581
Surgery - Surgical Critical Care in Springfield, MA
About Dr. Karlbuto Alexandre Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KARLBUTO ALEXANDRE DO (NPI 1043873581) is an individual surgical critical care provider in Springfield, Massachusetts, licensed in Massachusetts (1023464) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Baystate Wing Hospital, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 3
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. Karlbuto Alexandre 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 Reassignments
2Medicare enrollment records show Karlbuto Alexandre reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springfield, MA 01199
- Reassigned Medicare billing, Massachusetts enrollment
- 1,537 clinicians in this Medicare group
Wheaton, MN 56296
- Reassigned Medicare billing, Minnesota enrollment
- Also billed through NPI 1861895906 (Minnesota)
- 219 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.
Baystate Wing Hospital
Acute Care Hospitals · Palmer, MABaystate Noble Hospital
Acute Care Hospitals · Westfield, MABaystate Medical Center
Acute Care Hospitals · Springfield, MAOther Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPRINGFIELD, MA 01107
SPRINGFIELD, MA 01107
SPRINGFIELD, MA 01107
SPRINGFIELD, MA 01107
SPRINGFIELD, MA 01107
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 Karlbuto Alexandre's NPI number?
The NPI number for Karlbuto Alexandre is 1043873581. It was assigned to this individual provider in the NPPES registry on April 19, 2019.
Where is Karlbuto Alexandre located?
Karlbuto Alexandre practices at 2 Medical Center Dr Ste 309, Springfield, MA 01107. The listed phone number is (413) 794-8020.
What is Karlbuto Alexandre's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.
Is Karlbuto Alexandre enrolled in Medicare?
Yes. Karlbuto Alexandre 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 Karlbuto Alexandre's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karlbuto Alexandre reassigns Medicare benefits to 2 organizations: Baystate Medical Practices, Inc (Springfield, MA) and Sanford Health Network North (Wheaton, MN). 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 Karlbuto Alexandre's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karlbuto Alexandre accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Kansas City and Sanford Health Plan list Karlbuto Alexandre 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 Karlbuto Alexandre affiliated with any hospitals?
According to CMS data, Karlbuto Alexandre is affiliated with Baystate Wing Hospital, Baystate Noble Hospital and Baystate Medical Center.
When was this NPI record last updated?
The NPPES record for Karlbuto Alexandre was last updated on August 26, 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. Karlbuto Alexandre, DO · NPI 1043873581
Surgical Critical Care physician in Springfield, Massachusetts. Individual provider, active in the CMS NPPES registry since April 19, 2019.
## Identity
- **NPI:** 1043873581 (Entity type: Individual)
- **Enumerated:** April 19, 2019
- **Primary specialty:** Surgery - Surgical Critical Care · taxonomy 2086S0102X
- **State license:** 1023464 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 2 MEDICAL CENTER DR STE 309, Springfield, MA 01107-1271
- **Phone:** (413) 794-8020 · **Fax:** (413) 794-2165
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Baystate Medical Practices, Inc (NPI 1548205909, Springfield, MA); Sanford Health Network North (NPI 1245524669, Wheaton, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** August 26, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1043873581) · Data from the CMS NPPES public registry.