Esther Oak, DMD

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

License

18843 Issued in MD

Practice address

6460 Dobbin Rd Ste B
Columbia, MD 21045-5070

Phone

(410) 997-9366

NPI assigned

Jul 15, 2020

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Opted out of Medicare

Yes, effective Oct 30, 2025 through Oct 30, 2027

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Dobbin Dental Suite

  • General Practice Dentistry
  • Columbia, MD
  • NPI 1508930132
  NPD
• Kailua Center for Progressive Dentistry, LLC

  • General Practice Dentistry
  • Kailua, HI
  • NPI 1982836102
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1594771200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757894400000",
    "number": "1891303830",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6460 DOBBIN RD STE B",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "210455070",
            "telephone_number": "410-997-9366"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6460 DOBBIN RD STE B",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "210455070",
            "telephone_number": "410-997-9366"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OAK",
        "first_name": "ESTHER",
        "name_prefix": "Dr.",
        "credential": "DMD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-07-15",
        "last_updated": "2025-09-15",
        "certification_date": "2025-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "MD",
            "license": "18843",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Christine O'Neill
• Kathryn Marie Gower O'Reilly, CNM
• Oak Tree Family Therapy Services
• Oak Tree Primary Care LLC
• Oak Tree Psychiatry, LLC
• Kyley A Oakley
• Oakstride Physical Therapy, LLC
• Oao, LLC.
• Oasis Day Spa Inc.
• Oates & Oates, P.a.

• General Practice Dentistry in Columbia, MD
• Providers in Columbia, MD by specialty
• General Practice Dentistry in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.