MS. TATIANA M ABAYA
NPI 1366323958
Nurse Practitioner - Family in Bronx, NY
About Ms. Tatiana M Abaya NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. TATIANA M ABAYA (NPI 1366323958) is an individual family provider in Bronx, New York, licensed in New York (F355880) and active in the NPI registry since September 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
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
Ms. Tatiana M Abaya 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
4Medicare enrollment records show Tatiana Abaya reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bronx, NY 10461
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Bronx Medical Practice PC
- 1,013 clinicians in this Medicare group
Bronx, NY 10461
- Reassigned Medicare billing, New York enrollment
- 1,054 clinicians in this Medicare group
Bronx, NY 10453
- Reassigned Medicare billing, New York enrollment
- 1,393 clinicians in this Medicare group
Bronx, NY 10452
- Reassigned Medicare billing, New York enrollment
- 683 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 10461 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.
BRONX, NY 10461
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 Tatiana Abaya's NPI number?
The NPI number for Tatiana Abaya is 1366323958. It was assigned to this individual provider in the NPPES registry on September 10, 2025.
Where is Tatiana Abaya located?
Tatiana Abaya practices at 2626 Halperin Ave Fl 1, Bronx, NY 10461. The listed phone number is (718) 618-0401.
What is Tatiana Abaya's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Tatiana Abaya enrolled in Medicare?
Yes. Tatiana Abaya 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 Tatiana Abaya's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tatiana Abaya reassigns Medicare benefits to 4 organizations: Bronx Medical Practice P.C. (Bronx, NY), House Call Medical Services Of New York, PLLC (Bronx, NY), Essen Medical Associates, PC (Bronx, NY) and Essen Medical Urgicare, PLLC (Bronx, NY). 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 Tatiana Abaya'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 Tatiana Abaya was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Ms. Tatiana M Abaya · NPI 1366323958
Family physician in Bronx, New York. Individual provider, active in the CMS NPPES registry since September 10, 2025.
## Identity
- **NPI:** 1366323958 (Entity type: Individual)
- **Enumerated:** September 10, 2025
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** F355880 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2626 HALPERIN AVE FL 1, Bronx, NY 10461-2631
- **Phone:** (718) 618-0401
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Bronx Medical Practice P.C. (NPI 1356726087, Bronx, NY); House Call Medical Services Of New York, PLLC (NPI 1851345946, Bronx, NY); Essen Medical Associates, PC (NPI 1366418709, Bronx, NY); Essen Medical Urgicare, PLLC (NPI 1841607298, Bronx, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** September 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1366323958) · Data from the CMS NPPES public registry.