DR. CARLOS MAISONET M.D.
NPI 1396863239
General Practice in Toa Alta, PR
About Dr. Carlos Maisonet M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CARLOS MAISONET M.D. (NPI 1396863239) is an individual general practice provider in Toa Alta, Puerto Rico, licensed in Puerto Rico (10947) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Carlos Maisonet M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Carlos Maisonet reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bayamon, PR 00956
- Reassigned Medicare billing, Puerto Rico enrollment
- 52 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.
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 Carlos Maisonet's NPI number?
The NPI number for Carlos Maisonet is 1396863239. It was assigned to this individual provider in the NPPES registry on March 27, 2007.
Where is Carlos Maisonet located?
Carlos Maisonet practices at 400 Calle Gran Ausubo, Toa Alta, PR 00953. The listed phone number is (787) 799-9119.
What is Carlos Maisonet's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Carlos Maisonet enrolled in Medicare?
Yes. Carlos Maisonet is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Carlos Maisonet's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carlos Maisonet reassigns Medicare benefits to Integrate Community Health System (Bayamon, PR). 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 Carlos Maisonet's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Carlos Maisonet was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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. Carlos Maisonet, M.D. · NPI 1396863239
General Practice physician in Toa Alta, Puerto Rico. Individual provider, active in the CMS NPPES registry since March 27, 2007.
## Identity
- **NPI:** 1396863239 (Entity type: Individual)
- **Enumerated:** March 27, 2007
- **Primary specialty:** General Practice · taxonomy 208D00000X
- **State license:** 10947 (Puerto Rico)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 400 CALLE GRAN AUSUBO, Toa Alta, PR 00953-4887
- **Phone:** (787) 799-9119
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Integrate Community Health System (NPI 1881067031, Bayamon, PR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1396863239) · Data from the CMS NPPES public registry.