ANDREA OLIVER N.P.
NPI 1780630418
Nurse Practitioner - Primary Care in Northfield, NJ

Active since May 25, 2006PECOS EnrolledAccepts Medicare Assignment
631 TILTON RD, NORTHFIELD, NJ 08225(609) 645-3005(609) 645-0253 Get Directions Write a Review

NPPES record last updated: August 3, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 2, 2021, Nov 18, 2020 (2 updates tracked since 2020).

About Andrea Oliver N.p. NPPES

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

ANDREA OLIVER N.P. (NPI 1780630418) is an individual primary care provider in Northfield, New Jersey, licensed in New Jersey (26NJ00098900) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1780630418
Entity TypeIndividualFemale
Primary Taxonomy363LP2300X
Provider Legal NameANDREA OLIVERCredential: N.P.
Location Address631 TILTON RDNorthfield, NJ 08225-1219
Mailing Address631 Tilton RdNorthfield, NJ 08225-1219 · (609) 645-3005
Fax(609) 645-0253
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateMay 25, 2006
Last NPPES UpdateAugust 3, 20232 updates tracked since enumeration
NPPES CertifiedAugust 3, 2023
✔ NPI 1780630418 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP2300X
License✔ Licensed in NJ · 26NJ00098900
Also ListedNurse PractitionerTaxonomy 363L00000X · License 26NJ00098900 (NJ)
631 TILTON RD, Northfield, NJ 08225

Other Names 1

Former Name (1)Andrea Schlembach

Secondary Practice Locations 2

Location 1200 New RdLinwood, NJ 08221-1306 · Phone (609) 748-4199 · Fax (609) 748-4112
Location 21001 Center StLittle Egg Harbor Twp, NJ 08087-1347 · Phone (609) 296-9292 ext. 403 · Fax (609) 296-0509

Other Identifiers 1

Medicaid1447307129NJ

Accepted Insurance

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

Andrea Oliver N.p. 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 ID5799785085
PECOS Enrollment IDI20070111000051
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

2

Medicare enrollment records show Andrea Oliver reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
200 NEW RD
Linwood, NJ 08221
  • Reassigned Medicare billing, New Jersey enrollment
  • 3 clinicians in this Medicare group
Multi-Specialty
651 WILLOW GROVE ST
Hackettstown, NJ 07840
  • Reassigned Medicare billing, New Jersey enrollment
  • 429 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 3

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.
124 services92 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.
115 services87 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.
57 services57 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08225 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
$94.90 typical visit price
range $61.59 – $185.05
Typical copayment $23.72 (range $15.39 – $46.26)
Most-billed visit code 99203
Established Patient
$107.94 typical visit price
range $20.08 – $150.98
Typical copayment $26.98 (range $5.02 – $37.74)
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.

Plastic Surgery
631 TILTON RD
NORTHFIELD, NJ 08225
Plastic Surgery
631 TILTON RD
NORTHFIELD, NJ 08225
Clinic/Center (Ambulatory Surgical)
631 TILTON RD
NORTHFIELD, NJ 08225

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 Andrea Oliver's NPI number?

The NPI number for Andrea Oliver is 1780630418. It was assigned to this individual provider in the NPPES registry on May 25, 2006. The provider is also known as Andrea Schlembach.

Where is Andrea Oliver located?

Andrea Oliver practices at 631 Tilton Rd, Northfield, NJ 08225. The listed phone number is (609) 645-3005.

What is Andrea Oliver's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

Is Andrea Oliver enrolled in Medicare?

Yes. Andrea Oliver 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 Andrea Oliver's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrea Oliver reassigns Medicare benefits to 2 organizations: Maez Integrative Healthcare, LLC (Linwood, NJ) and The Radiology Group Of New Jersey, LLC (Hackettstown, NJ). 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 Andrea Oliver's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Andrea Oliver accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Andrea Oliver as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Andrea Oliver was last updated on August 3, 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.