Gregory John Argyros, MD

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

License

MD043212E Issued in PA

Practice address

16809 Ethelwood Ter
Olney, MD 20832-2913

Phone

(202) 782-6206

Fax

(202) 782-6507

NPI assigned

Jan 25, 2006

Sex

Male

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• WHC Physician Group LLC

  • General Practice Physician
  • Washington, DC
  • NPI 1700154226
  NPD (past)

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

{
    "created_epoch": "1138147200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1437129137",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16809 ETHELWOOD TER",
            "city": "OLNEY",
            "state": "MD",
            "postal_code": "208322913",
            "telephone_number": "202-782-6206",
            "fax_number": "202-782-6507"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "16809 ETHELWOOD TER",
            "city": "OLNEY",
            "state": "MD",
            "postal_code": "208322913",
            "telephone_number": "202-782-6206",
            "fax_number": "202-782-6507"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ARGYROS",
        "first_name": "GREGORY",
        "middle_name": "JOHN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-25",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "PA",
            "license": "MD043212E",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Candice Jonice Anglin, FNP-C
• Anis Tebyanian DMD MD PA
• Marjani Efia Ankomah
• Maria M Araneta, PA-C
• Andrea Penelope Arellano Euribe, LCPC
• Merysah Aringo
• Arman C. Moshyedi, MD, LLC
• Dagmar R. Arnold, MD
• Arroyo & Associates, L.L.C.
• Jeremi J Arroyo, D.D.S.

• All providers in Olney, MD
• Pulmonary Disease Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.