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ERIN MARY O'BRIEN FNP-C
NPI 1225680747
Nurse Practitioner - Family in North Andover, MA

Active since July 15, 2019PECOS EnrolledAccepts Medicare Assignment
231 SUTTON ST STE 1A, NORTH ANDOVER, MA 01845(978) 655-1042 Get Directions Write a Review

NPPES record last updated: October 2, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 2, 2019, Jul 15, 2019 (2 updates tracked since 2019).

About Erin Mary O'brien Fnp-c NPPES

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

ERIN MARY O'BRIEN FNP-C (NPI 1225680747) is an individual family provider in North Andover, Massachusetts, licensed in Massachusetts (RN2320796) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, is affiliated with Anna Jaques Hospital, and maintains a secondary practice location in Rowley.

NPPES Registry Identity

NPI1225680747
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameERIN MARY O'BRIENCredential: FNP-C
Location Address231 SUTTON ST STE 1ANorth Andover, MA 01845-1620
Mailing Address423 Main StRowley, MA 01969-1207
Phone(978) 655-1042
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJuly 15, 2019
Last NPPES UpdateOctober 2, 20192 updates tracked since enumeration
✔ NPI 1225680747 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MA · RN2320796
Also ListedRegistered NurseTaxonomy 163W00000X · License RN2320796 (MA)
231 SUTTON ST STE 1A, North Andover, MA 01845
Open in Google Maps ↗

Secondary Practice Location 1

Location 1423 Main StRowley, MA 01969-1207 · Phone (802) 777-5171

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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

Erin Mary O'brien 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 ID8628594108
PECOS Enrollment IDI20250428002895
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Anna Jaques Hospital

Acute Care Hospitals · Newburyport, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220029
Location25 Highland AvenueNewburyport, MA 01950 · Essex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01845 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
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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

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

ZAHEEN MEDICAL CENTER LLC
Clinic/Center (Primary Care)
231 SUTTON ST STE 1A
NORTH ANDOVER, MA 01845
Essex County (978) 655-1042

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 Erin O'brien's NPI number?

The NPI number for Erin O'brien is 1225680747. It was assigned to this individual provider in the NPPES registry on July 15, 2019.

Where is Erin O'brien located?

Erin O'brien practices at 231 Sutton St Ste 1A, North Andover, MA 01845. The listed phone number is (978) 655-1042.

What is Erin O'brien's specialty?

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

Is Erin O'brien enrolled in Medicare?

Yes. Erin O'brien 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.

What insurance does Erin O'brien accept?

Health plans from Anthem Blue Cross and Blue Shield list Erin O'brien 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.

Is Erin O'brien affiliated with any hospitals?

According to CMS data, Erin O'brien is affiliated with Anna Jaques Hospital.

When was this NPI record last updated?

The NPPES record for Erin O'brien was last updated on October 2, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.