OLIVIA ZARZOUR TAGAN FNP-C
NPI 1417731910
Nurse Practitioner in Medford, MA

Active since August 24, 2023PECOS EnrolledAccepts Medicare Assignment
26 CITY HALL MALL, MEDFORD, MA 02155(781) 306-5130(781) 306-5083 Get Directions Write a Review

NPPES record last updated: February 2, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Olivia Zarzour Tagan Fnp-c NPPES

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

OLIVIA ZARZOUR TAGAN FNP-C (NPI 1417731910) is an individual nurse practitioner in Medford, Massachusetts, licensed in Massachusetts (RN2325295) and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1417731910
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameOLIVIA ZARZOUR TAGANCredential: FNP-C
Location Address26 CITY HALL MALLMedford, MA 02155-4754
Mailing Address26 City Hall MallMedford, MA 02155-4754
Fax(781) 306-5083
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateAugust 24, 2023
Last NPPES UpdateFebruary 2, 2024
NPPES CertifiedFebruary 2, 2024
✔ NPI 1417731910 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in MA · RN2325295
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
26 CITY HALL MALL, Medford, MA 02155

Other Names 1

Former Name (1)Olivia Zarzour

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

Olivia Zarzour Tagan 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 ID9234580622
PECOS Enrollment IDI20240110002562
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 Olivia Tagan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Primary Care
800 TURNPIKE ST STE 300
North Andover, MA 01845
  • Reassigned Medicare billing, Massachusetts enrollment
  • 14 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.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
71 services63 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
70 services66 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
40 services25 patients
Blood test, basic group of blood chemicals (calcium, total) 80048
A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.
29 services19 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
26 services13 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02155 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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 20

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

Speech-Language Pathologist
26 CITY HALL MALL
MEDFORD, MA 02155
Nurse Practitioner (Adult Health)
26 CITY HALL MALL
MEDFORD, MA 02155
Pediatrics
26 CITY HALL MALL
MEDFORD, MA 02155
Nurse Practitioner (Family)
26 CITY HALL MALL
MEDFORD, MA 02155
Psychologist (Clinical)
26 CITY HALL MALL
MEDFORD, MA 02155
Dietitian, Registered
26 CITY HALL MALL
MEDFORD, MA 02155
Obstetrics & Gynecology
26 CITY HALL MALL
MEDFORD, MA 02155
Nurse Practitioner (Women's Health)
26 CITY HALL MALL
MEDFORD, MA 02155

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 Olivia Tagan's NPI number?

The NPI number for Olivia Tagan is 1417731910. It was assigned to this individual provider in the NPPES registry on August 24, 2023. The provider is also known as Olivia Zarzour.

Where is Olivia Tagan located?

Olivia Tagan practices at 26 City Hall Mall, Medford, MA 02155. The listed phone number is (781) 306-5130.

What is Olivia Tagan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Olivia Tagan enrolled in Medicare?

Yes. Olivia Tagan 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 Olivia Tagan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Tagan reassigns Medicare benefits to Myhome Healthcare, PLLC (North Andover, MA). 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 Olivia Tagan'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 Olivia Tagan was last updated on February 2, 2024. 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.