ALEXANDRIA MIA PORTILLA FNP
NPI 1861265548
Family Medicine in New York, NY
About Alexandria Mia Portilla Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDRIA MIA PORTILLA FNP (NPI 1861265548) is an individual family medicine provider in New York, New York, licensed in New York (F352697-01) and active in the NPI registry since November 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2022).
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 and accepts Medicare assignment
Alexandria Mia Portilla Fnp 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 Alexandria Portilla reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Port Jefferson Station, NY 11776
- Reassigned Medicare billing, New York enrollment
- 636 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 10028 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10028
NEW YORK, NY 10028
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 Alexandria Portilla's NPI number?
The NPI number for Alexandria Portilla is 1861265548. It was assigned to this individual provider in the NPPES registry on November 3, 2023.
Where is Alexandria Portilla located?
Alexandria Portilla practices at 12 E 86th St, New York, NY 10028. The listed phone number is (212) 861-6660.
What is Alexandria Portilla's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Alexandria Portilla enrolled in Medicare?
Yes. Alexandria Portilla 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 Alexandria Portilla's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandria Portilla reassigns Medicare benefits to North Shore Hematology Oncology Associates PC (Port Jefferson Station, 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 Alexandria Portilla'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 Alexandria Portilla was last updated on November 3, 2023. 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.
# Alexandria Mia Portilla, FNP · NPI 1861265548
Family Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since November 3, 2023.
## Identity
- **NPI:** 1861265548 (Entity type: Individual)
- **Enumerated:** November 3, 2023
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** F352697-01 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 12 E 86TH ST, New York, NY 10028-0506
- **Phone:** (212) 861-6660
## 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:** North Shore Hematology Oncology Associates PC (NPI 1396794574, Port Jefferson Station, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** November 3, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1861265548) · Data from the CMS NPPES public registry.