DR. ESTHER OAK DMD
NPI 1891303830
Dentist - General Practice in Columbia, MD

Active since July 15, 2020Opted out of Medicare · through Oct 30, 2027
6460 DOBBIN RD STE B, COLUMBIA, MD 21045(410) 997-9366 Get Directions Write a Review

NPPES record last updated: September 15, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 15, 2025, May 24, 2023, Dec 6, 2020 and 2 more (5 updates tracked since 2020).

About Dr. Esther Oak Dmd NPPES

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

DR. ESTHER OAK DMD (NPI 1891303830) is an individual general practice provider in Columbia, Maryland, licensed in Maryland (18843) and active in the NPI registry since July 2020. She has opted out of Medicare through October 30, 2027.

NPPES Registry Identity

NPI1891303830
Entity TypeIndividualFemale
Primary Taxonomy1223G0001X
Provider Legal NameDR. ESTHER OAKCredential: DMD
Location Address6460 DOBBIN RD STE BColumbia, MD 21045-5070
Mailing Address6460 Dobbin Rd Ste BColumbia, MD 21045-5070 · (410) 997-9366
Sole ProprietorNo
Enumeration DateJuly 15, 2020
Last NPPES UpdateSeptember 15, 20255 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2025
NPI 1891303830 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License Licensed in MD · 18843
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.

6460 DOBBIN RD STE B, Columbia, MD 21045

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Dr. Esther Oak Dmd has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 30, 2025 through October 30, 2027.

Opt-Out Effective DateOctober 30, 2025
Opt-Out In Effect ThroughOctober 30, 2027Opt-out affidavits renew automatically every two years unless cancelled

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.

Dentist
6460 DOBBIN RD STE B
COLUMBIA, MD 21045
Dentist (General Practice)
6460 DOBBIN RD STE B
COLUMBIA, MD 21045

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 Esther Oak's NPI number?

The NPI number for Esther Oak is 1891303830. It was assigned to this individual provider in the NPPES registry on July 15, 2020.

Where is Esther Oak located?

Esther Oak practices at 6460 Dobbin Rd Ste B, Columbia, MD 21045. The listed phone number is (410) 997-9366.

What is Esther Oak's specialty?

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

Is Esther Oak enrolled in Medicare?

No. Esther Oak has opted out of Medicare through October 30, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

What insurance does Esther Oak accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Florida Combined Life and 2 other insurers list Esther Oak 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 Esther Oak was last updated on September 15, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.