Individual provider Active NPI

William Peter Geis, M.D.

  • Surgery Physician
  • Owings Mills, MD
National Provider Identifier
1790744092
Registry record updated Nov 5, 2009
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
D0045452 Issued in MD
Practice address
21 Crossroads Dr
Suite 360
Owings Mills, MD 21117-5441
Phone
(410) 356-0410
Fax
(410) 356-5237
NPI assigned
Mar 23, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 5, 2009

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X D0045452 MD Primary

Addresses

Primary practice location

21 Crossroads Dr
Suite 360
Owings Mills, MD 21117-5441

Mailing address

5401 Old Court Rd
Attn: Credentialing
Randallstown, MD 21133-5103
Phone (410) 601-5524

Other identifiers 3

IdentifierTypeStateIssuer
CC3484OtherMDR/R MEDICARE GROUP #
P00752374OtherMDR/R MEDICARE INDIVIDUAL #
215221500MedicaidMD

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Frederick Health Hospital Inc Past Accepting new patients
Saint Peter'S University Hospital Past Accepting new patients

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/8568/brand/1/csg/1/fhir/r4

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1143072000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1257379200000",
    "number": "1790744092",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5401 OLD COURT RD",
            "address_2": "ATTN: CREDENTIALING",
            "city": "RANDALLSTOWN",
            "state": "MD",
            "postal_code": "211335103",
            "telephone_number": "410-601-5524",
            "fax_number": "410-601-8946"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "21 CROSSROADS DR",
            "address_2": "SUITE 360",
            "city": "OWINGS MILLS",
            "state": "MD",
            "postal_code": "211175441",
            "telephone_number": "410-356-0410",
            "fax_number": "410-356-5237"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEIS",
        "first_name": "WILLIAM",
        "middle_name": "PETER",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-23",
        "last_updated": "2009-11-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MD",
            "license": "D0045452",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "R/R MEDICARE GROUP #",
            "identifier": "CC3484",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "R/R MEDICARE INDIVIDUAL #",
            "identifier": "P00752374",
            "state": "MD"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "215221500",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Owings Mills, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 5, 2009; 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.