Gregory Sterling Allen, DDS

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

License

12030 Issued in MD

Practice address

12165 Elm St
Princess Anne, MD 21853-1358

Phone

(410) 651-5151

Fax

(410) 651-4256

NPI assigned

Nov 20, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Opted out of Medicare

Yes, effective Jan 12, 2016 through Jan 12, 2028

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

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.

• Gray White & Allen DDS PA

  • Dentist
  • Salisbury, MD
  • NPI 1376617126
  NPD (past)

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

{
    "created_epoch": "1163980800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778025600000",
    "number": "1326112160",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1978",
            "city": "SALISBURY",
            "state": "MD",
            "postal_code": "218021978",
            "telephone_number": "410-749-1015",
            "fax_number": "410-749-0654"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12165 ELM ST",
            "city": "PRINCESS ANNE",
            "state": "MD",
            "postal_code": "218531358",
            "telephone_number": "410-651-5151",
            "fax_number": "410-651-4256"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALLEN",
        "first_name": "GREGORY",
        "middle_name": "STERLING",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-20",
        "last_updated": "2026-05-06",
        "certification_date": "2026-05-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "MD",
            "license": "12030",
            "primary": false
        },
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "MD",
            "license": "12030",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Affiliated Sante Group
• Danial Ahmed
• Boladale Wonuola Ajayi, DDS
• David Michael Albert, LCSW-C
• Patricia Rosanne Allen-Dark, LCPC
• Haroon Amir
• Sophia Amir
• Wasim Amir
• Deborah Lynn Anderson, CRNP
• Matthew Anderson, DDS

• General Practice Dentistry in Princess Anne, MD
• Providers in Princess Anne, 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 May 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.