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GREISYS MONTES DE OCA APRN
NPI 1235829946
Nurse Practitioner - Family in Miami, FL

Active since May 08, 2023PECOS EnrolledAccepts Medicare Assignment
13948 SW 44TH LANE CIR APT B, MIAMI, FL 33175(786) 263-1788 Get Directions Write a Review

NPPES record last updated: May 8, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Greisys Montes De Oca Aprn NPPES

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

GREISYS MONTES DE OCA APRN (NPI 1235829946) is an individual family provider in Miami, Florida, licensed in Florida (APRN11025804) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1235829946
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameGREISYS MONTES DE OCACredential: APRN
Location Address13948 SW 44TH LANE CIR APT BMiami, FL 33175-4446
Mailing Address13948 Sw 44th Lane Cir Apt BMiami, FL 33175-4446 · (786) 263-1788
Phone(786) 263-1788
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMay 8, 2023
NPPES CertifiedMay 8, 2023
✔ NPI 1235829946 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 FL · APRN11025804
13948 SW 44TH LANE CIR APT B, Miami, FL 33175
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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

Greisys Montes De Oca Aprn 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 ID446729644
PECOS Enrollment IDI20260518001140
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 Reassignment

Medicare enrollment records show Greisys Montes De Oca reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Healing Haven Health LLC
12 mi
Mental Health
285 NW 27TH AVE STE 17
Miami, FL 33125
  • Reassigned Medicare billing, Florida enrollment
  • 2 clinicians in this Medicare group
NPI 1588588487 (786) 631-2408

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 33175 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
$96.13 typical visit price
range $60.92 – $187.05
Typical copayment $24.03 (range $15.23 – $46.76)
Most-billed visit code 99203
Established Patient
$107.17 typical visit price
range $18.99 – $150.24
Typical copayment $26.79 (range $4.74 – $37.56)
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.

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 Greisys Montes De Oca's NPI number?

The NPI number for Greisys Montes De Oca is 1235829946. It was assigned to this individual provider in the NPPES registry on May 8, 2023.

Where is Greisys Montes De Oca located?

Greisys Montes De Oca practices at 13948 SW 44th Lane Cir Apt B, Miami, FL 33175. The listed phone number is (786) 263-1788.

What is Greisys Montes De Oca's specialty?

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

Is Greisys Montes De Oca enrolled in Medicare?

Yes. Greisys Montes De Oca 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 Greisys Montes De Oca's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Greisys Montes De Oca reassigns Medicare benefits to Healing Haven Health LLC (Miami, FL). 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 Greisys Montes De Oca'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 Greisys Montes De Oca was last updated on May 8, 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.