Active NPI
Mary Katherine Guay, PA-C
- Physician Assistant
- Baltimore, MD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- C05161
- Practice address
- 1800 Orleans St
Baltimore, MD 21287-0010 - Phone
- (410) 502-2037
- Fax
- (410) 955-0737
- NPI assigned
- Nov 30, 2005
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 10001429A | IN | |
| Physician Assistant | 363A00000X | MA053807 | PA | |
| Physician Assistant | 363A00000X | 56513 | CA | |
| Physician Assistant | 363A00000X | C05161 | MD | Primary |
Addresses
Primary practice location
1800 Orleans St
Baltimore, MD 21287-0010
Mailing address
6201 Greenleigh Ave
Middle River, MD 21220-2004
Phone (410) 933-6423
Other practice location 1
200 W Arbor Dr
San Diego, CA 92103-9000
Phone (800) 926-8273
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| C05161 | Other | MD | MD LICENSE |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MD, CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 2
Care Compare profile
Medicare Care CompareMerit-based Incentive Payment System (MIPS)
- Final score
- 83.31 of 100
- Quality
- 73.89
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 70.47
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 56513 | CA | MD | Physician Assistant |
| 10001429A | IN | MD | Physician Assistant |
| C05161 | MD | MD | Physician Assistant |
| MA053807 | PA | MD | Physician Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Johns Hopkins University | Current | Accepting new patients | |
| Johns Hopkins University | Current | Accepting new patients | |
| Regents of the University of California | Current | Accepting new patients | |
| Regents of the University of California | Current | Accepting new patients | |
| Johns Hopkins University | Current | Accepting new patients | |
| Johns Hopkins University | Current | Accepting new patients | |
| Windber Hospital, Inc. | Past | Accepting new patients |
Locations
200 W Arbor Dr
San Diego, CA 92103
Phone (619) 543-5754
600 N Wolfe St
Baltimore, MD 21287
1800 Orleans St
Baltimore, MD 21287
Phone (410) 502-2037
5755 Cedar Ln
Columbia, MD 21044
Phone (410) 381-7171
6201 Greenleigh Ave
Middle River, MD 21220
Phone (410) 933-2704
Interoperability endpoints
- mguay138427@direct.hopkinsmedicine.org
Organizations & group practices 9
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.
-
- Hospitalist Physician
- Baltimore, MD
- NPI 1902332133
-
- Pain Medicine (Anesthesiology) Physician
- Baltimore, MD
- NPI 1922008549
-
- Pain Medicine (Anesthesiology) Physician
- San Diego, CA
- NPI 1376646869
-
- Ophthalmology Physician
- Belcamp, MD
- NPI 1376342774
-
- Cardiovascular Disease Physician
- Baltimore, MD
- NPI 1801891080
-
- Neurology Physician
- MC Lean, VA
- NPI 1598552226
-
- Internal Medicine Physician
- San Diego, CA
- NPI 1508968751
-
- Diagnostic Radiology Physician
- San Diego, CA
- NPI 1558463927
-
- General Acute Care Hospital
- Windber, PA
- NPI 1275620536
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1133308800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1706054400000",
"number": "1790769008",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6201 GREENLEIGH AVE",
"city": "MIDDLE RIVER",
"state": "MD",
"postal_code": "212202004",
"telephone_number": "410-933-6423",
"fax_number": "410-500-4266"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1800 ORLEANS ST",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "212870010",
"telephone_number": "410-502-2037",
"fax_number": "410-955-0737"
}
],
"practiceLocations": [
{
"address_1": "200 W Arbor Dr",
"address_purpose": "LOCATION",
"city": "San Diego",
"state": "CA",
"postal_code": "921039000",
"country_code": "US",
"telephone_number": "800-926-8273",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "GUAY",
"first_name": "MARY",
"middle_name": "KATHERINE",
"credential": "PA-C",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2005-11-30",
"last_updated": "2024-01-24",
"certification_date": "2024-01-24",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "IN",
"license": "10001429A",
"primary": false
},
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "PA",
"license": "MA053807",
"primary": false
},
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "CA",
"license": "56513",
"primary": false
},
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "MD",
"license": "C05161",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MD LICENSE",
"identifier": "C05161",
"state": "MD"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Baltimore, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 24, 2024; 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.