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MS. REBECCA HELENE DIEM MSN, APRN, FNP-C
NPI 1285518480
Nurse Practitioner - Family in Orlando, FL

Active since August 01, 2025PECOS EnrolledAccepts Medicare Assignment
2501 N ORANGE AVE STE 389, ORLANDO, FL 32804(407) 845-8340(407) 845-8341 Get Directions Write a Review

NPPES record last updated: January 9, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ms. Rebecca Helene Diem Msn, Aprn, Fnp-c NPPES

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

MS. REBECCA HELENE DIEM MSN, APRN, FNP-C (NPI 1285518480) is an individual family provider in Orlando, Florida, licensed in Florida (APRN11041319) and active in the NPI registry since August 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1285518480
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. REBECCA HELENE DIEMCredential: MSN, APRN, FNP-C
Location Address2501 N ORANGE AVE STE 389Orlando, FL 32804-4623
Mailing Address2501 N Orange Ave Ste 389Orlando, FL 32804-4623 · (407) 845-8340 · Fax (407) 845-8341
Phone(407) 845-8340
Fax(407) 845-8341
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateAugust 1, 2025
Last NPPES UpdateJanuary 9, 2026
NPPES CertifiedJanuary 9, 2026
✔ NPI 1285518480 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 · APRN11041319
2501 N ORANGE AVE STE 389, Orlando, FL 32804
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Rebecca Helene Diem Msn, Aprn, Fnp-c 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 ID941786321
PECOS Enrollment IDI20260115002584
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32804 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
$87.62 typical visit price
range $56.00 – $171.84
Typical copayment $21.90 (range $14.00 – $42.96)
Most-billed visit code 99203
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
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 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELEFTHERIOS P MAMOUNAS MD
Surgery
2501 N ORANGE AVE STE 389
ORLANDO, FL 32804
Orange County (407) 303-5214
DR. MICHELLE RENE HOROWITZ MD
Student in an Organized Health Care Education/Training Program
2501 N ORANGE AVE STE 389
ORLANDO, FL 32804
Orange County (407) 845-8340
FRANCES PHANG M.D.
Surgery
2501 N ORANGE AVE STE 389
ORLANDO, FL 32804
Orange County (407) 303-5214
ANGELA BATEH
Physician Assistant
2501 N ORANGE AVE STE 389
ORLANDO, FL 32804
Orange County (407) 303-5214

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 Rebecca Diem's NPI number?

The NPI number for Rebecca Diem is 1285518480. It was assigned to this individual provider in the NPPES registry on August 1, 2025.

Where is Rebecca Diem located?

Rebecca Diem practices at 2501 N Orange Ave Ste 389, Orlando, FL 32804. The listed phone number is (407) 845-8340.

What is Rebecca Diem's specialty?

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

Is Rebecca Diem enrolled in Medicare?

Yes. Rebecca Diem 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.

When was this NPI record last updated?

The NPPES record for Rebecca Diem was last updated on January 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.