MR. DANIEL M O BRIEN DMD
NPI 1235240334
Dentist - General Practice in Middletown, NY

Q: What is Daniel O Brien's NPI number?

The NPI number for Daniel O Brien is 1235240334. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Q: What is Daniel O Brien's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for Daniel O Brien was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since August 31, 2006PECOS Enrolled

831 ROUTE 211 EAST, MIDDLETOWN, NY 10941(845) 692-5311(845) 692-6778 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Mr. Daniel M O Brien Dmd NPPES

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

MR. DANIEL M O BRIEN DMD (NPI 1235240334) is an individual general practice provider in Middletown, New York, licensed in New York (0344761) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235240334

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameMR. DANIEL M O BRIENCredential: DMD

Location Address831 ROUTE 211 EASTMiddletown, NY 10941

Mailing Address831 Route 211 EastMiddletown, NY 10941 · (845) 692-5311 · Fax (845) 692-6778

Phone(845) 692-5311

Fax(845) 692-6778

Sole ProprietorNo

Enumeration DateAugust 31, 2006

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1235240334 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in NY · 0344761

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

Also ListedDentistTaxonomy 122300000X · License 0344761 (NY)

831 ROUTE 211 EAST, Middletown, NY 10941

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Daniel M O Brien Dmd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 10941 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

$95.99 typical visit price

range $61.88 – $187.05

Typical copayment $23.99 (range $15.47 – $46.76)

Most-billed visit code 99203

Established Patient

$76.88 typical visit price

range $19.92 – $151.94

Typical copayment $19.22 (range $4.98 – $37.98)

Most-billed visit code 99213

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 2

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

BARRY FENNER DDS PC

Dentist

831 ROUTE 211 EAST
MIDDLETOWN, NY 10941

Orange County (845) 692-5311

MR. BARRY FENNER DDS

Dentist

831 ROUTE 211 EAST
MIDDLETOWN, NY 10941

Orange County (845) 692-5311

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 1235240334. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Daniel O Brien located?

Daniel O Brien practices at 831 Route 211 East, Middletown, NY 10941. The listed phone number is (845) 692-5311.

What is Daniel O Brien's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Daniel O Brien enrolled in Medicare?

Yes. Daniel O Brien is registered in the Medicare PECOS enrollment system.

What insurance does Daniel O Brien accept?

Health plans from BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and HRI Dental & Vision and 4 other insurers 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 September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.