DANIEL O'BRIEN
NPI 1831687144
Nurse Practitioner - Psychiatric/Mental Health in Falmouth, MA

Active since April 23, 2018PECOS EnrolledAccepts Medicare Assignment
316 GIFFORD ST STE 1, FALMOUTH, MA 02540(857) 328-0724(949) 703-7789 Get Directions Write a Review

NPPES record last updated: August 21, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 9, 2024, Apr 23, 2018 (2 updates tracked since 2018).

About Daniel O'brien NPPES

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

DANIEL O'BRIEN (NPI 1831687144) is an individual psychiatric/mental health provider in Falmouth, Massachusetts, licensed in Massachusetts (RN2320615) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1831687144
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameDANIEL O'BRIEN
Location Address316 GIFFORD ST STE 1Falmouth, MA 02540-2962
Mailing Address55 Beattie Pl Ste 810Greenville, SC 29601-2191
Fax(949) 703-7789
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateApril 23, 2018
Last NPPES UpdateAugust 21, 20252 updates tracked since enumeration
NPPES CertifiedAugust 21, 2025
NPI 1831687144 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License Licensed in MA · RN2320615
316 GIFFORD ST STE 1, Falmouth, MA 02540

Accepted 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

Daniel O'brien 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 ID840724589
PECOS Enrollment IDI20241118000498
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 02540 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.

Registered Nurse (Psychiatric/Mental Health)
316 GIFFORD ST STE 1
FALMOUTH, MA 02540

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 Daniel O'brien's NPI number?

The NPI number for Daniel O'brien is 1831687144. It was assigned to this individual provider in the NPPES registry on April 23, 2018.

Where is Daniel O'brien located?

Daniel O'brien practices at 316 Gifford St Ste 1, Falmouth, MA 02540. The listed phone number is (857) 328-0724.

What is Daniel O'brien's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Daniel O'brien enrolled in Medicare?

Yes. Daniel 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 Daniel O'brien accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Daniel 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.

When was this NPI record last updated?

The NPPES record for Daniel O'brien was last updated on August 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.