Active NPI
Karen Abigail Robertson-Sanchez, CRNA
- Certified Registered Nurse Anesthetist
- Fredericksburg, VA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Certified Registered Nurse Anesthetist
- License
- 0024197460
- Practice address
- 1001 Sam Perry Blvd
Fredericksburg, VA 22401-4453 - Phone
- (540) 741-7614
- NPI assigned
- Jun 16, 2006
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Certified Registered Nurse Anesthetist | 367500000X | 0024197460 | VA | Primary |
| Certified Registered Nurse Anesthetist | 367500000X | R117473 | MD |
Addresses
Primary practice location
1001 Sam Perry Blvd
Fredericksburg, VA 22401-4453
Mailing address
1340 Central Park Blvd Ste 100
Fredericksburg, VA 22401-4940
Phone (800) 222-1442
Other practice location 1
1201 Sam Perry Blvd Ste 101
Fredericksburg, VA 22401-4490
Phone (540) 741-7614
Other practice location 2
101 Hospital Center Blvd
Stafford, VA 22554-6200
Phone (540) 741-7614
Other practice location 3
3001 Hospital Dr
Cheverly, MD 20785-1189
Phone (301) 618-6100
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 406098901 | Medicaid | MD |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in DC, MD, AZ
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Certified Registered Nurse Anesthetist (Crna)
- Education
- Other, 2004
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1500 Forest Glen Rd
Silver Spring, MD 20910-1460
Phone (301) 754-7000
1625 N Campbell Ave
Tucson, AZ 85719-4330
Phone (520) 694-0111
400 W 7TH St
Frederick, MD 21701-4506
Phone (240) 566-3800
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 83.31 of 100
- Quality
- 73.89
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 70.47
Merit-based Incentive Payment System (MIPS)
- Final score
- 63.85 of 100
- Quality
- 57.47
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Certified Registered Nurse
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| R117473 | MD | MD | Certified Registered Nurse Anesthetist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| First Colonies Anesthesia Associates, LLC | Nurse Anesthetist, Certified Registered | Current | Accepting new patients |
| North American Partners in Anesthesia Maryland LLC | Current | Accepting new patients | |
| Banner-University Medical Group | Current | Accepting new patients | |
| Medstar Medical Group II LLC | Current | Accepting new patients | |
| Banner-University Medical Group | Current | Accepting new patients | |
| Medstar Medical Group Anesthesiology LLC | Current | Accepting new patients | |
| Medstar Medical Group Anesthesiology LLC | Current | Accepting new patients | |
| Sterling Anesthesia Management Services of Maryland | Past | Accepting new patients |
Locations
535 N Wilmot Rd
Ste 101
Tucson, AZ 85711
Phone (520) 694-9988
2800 E Ajo Way
Tucson, AZ 85713
Phone (520) 294-4471
1625 N Campbell Ave
Tucson, AZ 85719
3838 N Campbell Ave
Bldg 2
Tucson, AZ 85719
110 Irving St NW
Washington, DC 20010
Phone (202) 877-2000
1145 19th St NW
Ste 311
Washington, DC 20036
Phone (202) 429-2401
6430 Rockledge Dr
Ste 160
Bethesda, MD 20817
Phone (301) 312-6144
7503 Surratts Rd
Clinton, MD 20735
Phone (301) 868-8000
400 W 7th St
Frederick, MD 21701
Phone (240) 566-3300
3001 Hospital Dr
Hyattsville, MD 20785
Phone (301) 618-2000
11210 Old Georgetown Rd
Rockville, MD 20852
Phone (301) 881-7770
11210 Old Georgetown Rd
#12202
Rockville, MD 20852
Phone (301) 881-7770
1500 Forest Glen Rd
Silver Spring, MD 20910
Phone (301) 754-7230
8322 Bellona Ave
Ste 201
Towson, MD 21204
Phone (410) 337-2688
68 S Service Rd
Ste 350
Melville, NY 11747
Phone (516) 945-3107
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.
-
- Anesthesiology Physician
- Columbia, MD
- NPI 1740218767
DC, Nurse Anesthetist, Certified Registered
-
- Multi-Specialty Clinic/Center
- Phoenix, AZ
- NPI 1508809427
-
dba MMG Anesthesiology LLC
- Anesthesiology Physician
- Baltimore, MD
- NPI 1528578333
DC
-
- Anesthesiology Physician
- Prince Frederick, MD
- NPI 1093707879
DC
-
- Nutrition Education Nutritionist
- Tucson, AZ
- NPI 1508673682
-
- Durable Medical Equipment & Medical Supplies
- Tucson, AZ
- NPI 1922820935
-
- Anesthesiology Physician
- Washington, DC
- NPI 1558976175
-
- Anesthesiology Physician
- Cheverly, MD
- NPI 1619992195
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Tucson, AZ
- NPI 1265820179
-
- Nutrition Education Nutritionist
- Tucson, AZ
- NPI 1861102881
Hospital
-
dba Holy Cross Hospital
- General Acute Care Hospital
- Silver Spring, MD
- NPI 1669417838
-
dba Holy Cross Health Lab Outreach
- Clinical Medical Laboratory
- Silver Spring, MD
- NPI 1831574284
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1150416000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782777600000",
"number": "1265476287",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1340 CENTRAL PARK BLVD STE 100",
"city": "FREDERICKSBURG",
"state": "VA",
"postal_code": "224014940",
"telephone_number": "800-222-1442"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1001 SAM PERRY BLVD",
"city": "FREDERICKSBURG",
"state": "VA",
"postal_code": "224014453",
"telephone_number": "540-741-7614"
}
],
"practiceLocations": [
{
"address_1": "1201 Sam Perry Blvd Ste 101",
"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"
},
{
"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": "3001 Hospital Dr",
"address_purpose": "LOCATION",
"city": "Cheverly",
"state": "MD",
"postal_code": "207851189",
"country_code": "US",
"telephone_number": "301-618-6100",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ROBERTSON-SANCHEZ",
"first_name": "KAREN",
"middle_name": "ABIGAIL",
"name_prefix": "Mrs.",
"credential": "CRNA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-06-16",
"last_updated": "2026-06-30",
"certification_date": "2026-06-30",
"status": "A"
},
"taxonomies": [
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "VA",
"license": "0024197460",
"primary": true
},
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "MD",
"license": "R117473",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "406098901",
"state": "MD"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Fredericksburg, VA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 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.