KATHRYNNE MAE GUTIERREZ BASA M.D.
NPI 1649463670
Internal Medicine in Tarrytown, NY
About Kathrynne Mae Gutierrez Basa M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHRYNNE MAE GUTIERREZ BASA M.D. (NPI 1649463670) is an individual internal medicine provider in Tarrytown, New York, licensed in New York (270914) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kathrynne Mae Gutierrez Basa M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Kathrynne Mae Basa reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chappaqua, NY 10514
- Reassigned Medicare billing, New York enrollment
- 76 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10591 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TARRYTOWN, NY 10591
TARRYTOWN, NY 10591
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 Kathrynne Mae Basa's NPI number?
The NPI number for Kathrynne Mae Basa is 1649463670. It was assigned to this individual provider in the NPPES registry on August 22, 2007.
Where is Kathrynne Mae Basa located?
Kathrynne Mae Basa practices at 540 White Plains Rd, Tarrytown, NY 10591. The listed phone number is (914) 666-1680.
What is Kathrynne Mae Basa's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Kathrynne Mae Basa enrolled in Medicare?
Yes. Kathrynne Mae Basa is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Kathrynne Mae Basa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathrynne Mae Basa reassigns Medicare benefits to Northern Westchester Hospital Association (Chappaqua, NY). 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 Kathrynne Mae Basa'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 Kathrynne Mae Basa was last updated on January 17, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Kathrynne Mae Gutierrez Basa, M.D. · NPI 1649463670
Internal Medicine physician in Tarrytown, New York. Individual provider, active in the CMS NPPES registry since August 22, 2007.
## Identity
- **NPI:** 1649463670 (Entity type: Individual)
- **Enumerated:** August 22, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 270914 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 540 WHITE PLAINS RD, Tarrytown, NY 10591-5103
- **Phone:** (914) 666-1680 · **Fax:** (914) 666-1965
## 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:** Northern Westchester Hospital Association (NPI 1083913883, Chappaqua, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 17, 2019
- **Other identifiers:** Medicaid 02917426 (NY); Other 13-1740118 (NY); Other 270914 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1649463670) · Data from the CMS NPPES public registry.