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MS. GUILLERMINA ROJAS FNP
NPI 1861614448
Nurse Practitioner - Family in New York, NY

Active since May 03, 2007PECOS EnrolledAccepts Medicare Assignment
37 NAGLE AVE, NEW YORK, NY 10040(212) 942-0808(122) 942-1553 Get Directions Write a Review

NPPES record last updated: July 19, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 19, 2023, Jun 8, 2023 (2 updates tracked since 2023).

About Ms. Guillermina Rojas Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. GUILLERMINA ROJAS FNP (NPI 1861614448) is an individual family provider in New York, New York, licensed in New York (351867) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in New York, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1861614448
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. GUILLERMINA ROJASCredential: FNP
Location Address37 NAGLE AVENew York, NY 10040-1422
Mailing AddressPo Box 562New York, NY 10031-0562 · (929) 255-8499 · Fax (212) 942-1553
Phone(212) 942-0808
Fax(122) 942-1553
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMay 3, 2007
Last NPPES UpdateJuly 19, 20232 updates tracked since enumeration
NPPES CertifiedJuly 19, 2023
✔ NPI 1861614448 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in NY · 351867
37 NAGLE AVE, New York, NY 10040
Open in Google Maps ↗

Secondary Practice Location 1

Location 1140 Wadsworth AveNew York, NY 10033-4816 · Phone (212) 942-0808 · Fax (212) 942-1553

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. Guillermina Rojas 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.

PECOS PAC ID3173986403
PECOS Enrollment IDI20230901003081
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Guillermina Rojas reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bienvenido Fajardo, M.D.P.C.
Same address
Nephrology
37 NAGLE AVE APT 1D
New York, NY 10040
  • Reassigned Medicare billing, New York enrollment
  • 5 clinicians in this Medicare group
NPI 1891937546 (212) 942-0808
Vantage Medical Associates PC
20 mi
Multi-Specialty
1612 CENTRAL AVE
Far Rockaway, NY 11691
  • Reassigned Medicare billing, New York enrollment
  • 125 clinicians in this Medicare group
NPI 1538642996 (718) 970-8700
Suffolk Primary Health, LLC
67 mi
Primary Care
170 OLD COUNTRY RD
Riverhead, NY 11901
  • Reassigned Medicare billing, New York enrollment
  • 57 clinicians in this Medicare group
NPI 1174965727 (631) 208-4460

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 10040 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$102.04 typical visit price
range $65.69 – $198.19
Typical copayment $25.51 (range $16.42 – $49.54)
Most-billed visit code 99203
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

MELISSA FAJARDO M.D.
Internal Medicine (Nephrology)
37 NAGLE AVE
NEW YORK, NY 10040
New York County (212) 942-0808
MR. PETER ROSS FISHER B.APP.SCI.(PT), MA
Physical Therapist (Pediatrics)
37 NAGLE AVE, APT. 6E
NEW YORK, NY 10040
New York County (646) 239-0269
M MICHAEL MD PC
Ophthalmology
37 NAGLE AVE, SUITE 1D
NEW YORK, NY 10040
New York County (212) 567-6400

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 Guillermina Rojas's NPI number?

The NPI number for Guillermina Rojas is 1861614448. It was assigned to this individual provider in the NPPES registry on May 3, 2007.

Where is Guillermina Rojas located?

Guillermina Rojas practices at 37 Nagle Ave, New York, NY 10040. The listed phone number is (212) 942-0808.

What is Guillermina Rojas's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Guillermina Rojas enrolled in Medicare?

Yes. Guillermina Rojas 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 Guillermina Rojas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Guillermina Rojas reassigns Medicare benefits to 3 organizations: Bienvenido Fajardo, M.D.P.C. (New York, NY), Vantage Medical Associates PC (Far Rockaway, NY) and Suffolk Primary Health, LLC (Riverhead, 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 Guillermina Rojas'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 Guillermina Rojas was last updated on July 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.