Active NPI
William Peter Geis, M.D.
- Surgery Physician
- Owings Mills, MD
National Provider Identifier
1790744092
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgery Physician
- License
- D0045452
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| CC3484 | Other | MD | R/R MEDICARE GROUP # |
| P00752374 | Other | MD | R/R MEDICARE INDIVIDUAL # |
| 215221500 | Medicaid | MD |
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
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Frederick Health Hospital Inc | Past | Accepting new patients | |
| Saint Peter'S University Hospital | Past | Accepting new patients |
Interoperability endpoints
- 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.
-
- General Acute Care Hospital
- Frederick, MD
- NPI 1538165527
-
- General Acute Care Hospital
- New Brunswick, NJ
- NPI 1114924834
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.