Active NPI
Patrick A McMahon, DNP
- Certified Registered Nurse Anesthetist
- Fort Belvoir, VA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Certified Registered Nurse Anesthetist
- License
- 24190701
- Practice address
- 9300 Dewitt Loop
Fort Belvoir, VA 22060-5285 - Phone
- (571) 231-3224
- NPI assigned
- Jul 31, 2024
- 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 |
|---|---|---|---|---|
| Certified Registered Nurse Anesthetist | 367500000X | 24190701 | VA | Primary |
Addresses
Primary practice location
9300 Dewitt Loop
Fort Belvoir, VA 22060-5285
Mailing address
7116 Point Replete Cir
Fort Belvoir, VA 22060-7444
Phone (970) 819-1375
Other practice location 1
101 Hospital Center Blvd
Stafford, VA 22554-6200
Phone (540) 741-7614
Other practice location 2
1001 Sam Perry Blvd
Fredericksburg, VA 22401-4453
Phone (540) 741-7614
Other practice location 3
1201 Sam Perry Blvd
Fredericksburg, VA 22401-4490
Phone (540) 741-7614
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in VA, DC
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Certified Registered Nurse Anesthetist (Crna)
- Education
- Other, 2024
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1001 Sam Perry Blvd
Fredericksburg, VA 22401-4453
Phone (540) 741-7614
3600 Joseph Siewick Dr
Fairfax, VA 22033-1709
Phone (703) 391-3600
44045 Rivderside Pkwy
Leesburg, VA 20176-5101
Phone (703) 858-6000
500 Hospital Dr
Warrenton, VA 20186-3027
Phone (540) 316-5000
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 24190701 | VA | MD | Certified Registered Nurse Anesthetist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Northstar Anesthesia of Virginia, LLC | Current | Accepting new patients | |
| Medstream Anesthesia PLLC | Nurse Anesthetist, Certified Registered | Current | Accepting new patients |
| Mary Washington Healthcare Specialty Services LLC | Nurse Anesthetist, Certified Registered | Current | Accepting new patients |
| Valley Health Anesthesia Services, LLC | Current | Accepting new patients | |
| Inova Cares - Community | Current | Accepting new patients |
Locations
6355 Walker Ln
Ste 200
Alexandria, VA 22310
Phone (703) 922-9501
2501 Parkers Ln
Alexandria, VA 22306
Phone (703) 664-7000
736 Battlefield Blvd N
Chesapeake, VA 23320
Phone (757) 312-6124
541 Sunset Ln
Ste 201
Culpeper, VA 22701
Phone (540) 829-0700
3600 Joseph Siewick Dr
Fairfax, VA 22033
Phone (703) 391-3037
1201 Sam Perry Blvd
Fredericksburg, VA 22401
Phone (540) 741-7000
1001 Sam Perry Blvd
Fredericksburg, VA 22401
Phone (540) 741-1100
44045 Riverside Pkwy
Leesburg, VA 20176
Phone (703) 858-6040
6801 Governor Gc Peery Hwy
Richlands, VA 24641
Phone (276) 523-8600
101 Hospital Center Blvd
Stafford, VA 22554
Phone (540) 741-3340
500 Hospital Dr
Warrenton, VA 20186
Phone (540) 316-5000
1840 Amherst St
Winchester, VA 22601
Phone (540) 536-8700
Organizations & group practices 5
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.
-
- Anesthesiology Physician
- Fredericksburg, VA
- NPI 1821033010
Nurse Anesthetist, Certified Registered
-
- Anesthesiology Physician
- Richardson, TX
- NPI 1649616160
Nurse Anesthetist, Certified Registered, VA
-
- Anesthesiology Physician
- Winchester, VA
- NPI 1174343610
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Warrenton, VA
- NPI 1912334517
-
- Psychiatric Hospital Unit
- Leesburg, VA
- NPI 1285786228
-
- General Acute Care Hospital
- Leesburg, VA
- NPI 1376564302
-
- General Acute Care Hospital
- Fredericksburg, VA
- NPI 1942288527
-
- Cardiovascular Disease Physician
- Fredericksburg, VA
- NPI 1013089879
Hospital
-
- General Acute Care Hospital
- Stafford, VA
- NPI 1043343304
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1722384000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777593600000",
"number": "1679302384",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "7116 POINT REPLETE CIR",
"city": "FORT BELVOIR",
"state": "VA",
"postal_code": "220607444",
"telephone_number": "970-819-1375"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9300 DEWITT LOOP",
"city": "FORT BELVOIR",
"state": "VA",
"postal_code": "220605285",
"telephone_number": "571-231-3224"
}
],
"practiceLocations": [
{
"address_1": "101 Hospital Center Blvd",
"address_purpose": "LOCATION",
"city": "Stafford",
"state": "VA",
"postal_code": "225546200",
"country_code": "US",
"telephone_number": "540-741-7614",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1001 Sam Perry Blvd",
"address_purpose": "LOCATION",
"city": "Fredericksburg",
"state": "VA",
"postal_code": "224014453",
"country_code": "US",
"telephone_number": "540-741-7614",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1201 Sam Perry Blvd",
"address_purpose": "LOCATION",
"city": "Fredericksburg",
"state": "VA",
"postal_code": "224014490",
"country_code": "US",
"telephone_number": "540-741-7614",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MCMAHON",
"first_name": "PATRICK",
"middle_name": "A",
"credential": "DNP",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2024-07-31",
"last_updated": "2026-05-01",
"certification_date": "2026-05-01",
"status": "A"
},
"taxonomies": [
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "VA",
"license": "24190701",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Fort Belvoir, VA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- 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.