Individual provider Active NPI

Caroline Mosher

  • Certified Registered Nurse Anesthetist
  • Bethesda, MD
National Provider Identifier
1619543071
Registry record updated Apr 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
R263751 Issued in MD
Practice address
4494 Palmer Rd N
Bethesda, MD 20814
Phone
(301) 295-4000
NPI assigned
May 27, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 7, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X R263751 MD Primary

Addresses

Primary practice location

4494 Palmer Rd N
Bethesda, MD 20814

Mailing address

500 Nature LN
Rockville, MD 20850-7769
Phone (703) 400-1214

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, VA, DC3 enrollments

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20230523002395 MD Practitioner - Certified Registered Nurse Anesthetist (Crna) 2769848373 Reassigns benefits to 2 organizations
I20240411004060 VA Practitioner - Certified Registered Nurse Anesthetist (Crna) 2769848373 Reassigns benefits to 1 organization
I20250616001823 DC Practitioner - Certified Registered Nurse Anesthetist (Crna) 2769848373 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
First Colonies Anesthesia Associates, LLCGroup PAC ID 8426039744, 339 clinicians
North Calvert Anesthesiology Services LLCGroup PAC ID 8921309980, 62 clinicians

Practice addresses (Care Compare)

11210 Old Georgetown Rd
Rockville, MD 20852-3202
Phone (301) 881-7770

1500 Forest Glen Rd
Silver Spring, MD 20910-1460
Phone (301) 754-7000

19801 Observation Dr
Germantown, MD 20876-4070
Phone (301) 557-6000

345 Saint Paul St
Baltimore, MD 21202-2123
Phone (410) 332-9000

901 Harry S Truman Dr N
Largo, MD 20774-5477
Phone (240) 677-1000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
80.76 of 100Reported as group
Quality
78.69
Improvement activities
40
Cost
74.94

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
R263751MDMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Atlantic Anesthesia, Inc CurrentSince Dec 19, 2023 Accepting new patients
First Colonies Anesthesia Associates, LLC Nurse Anesthetist, Certified Registered CurrentSince Jun 2, 2025 Accepting new patients
North Calvert Anesthesiology Services LLC CurrentSince Feb 10, 2023 Accepting new patients

Locations

11210 Old Georgetown Rd
Rockville, MD 20852
Phone (301) 881-7770

8322 Bellona Ave
Ste 201
Towson, MD 21204
Phone (410) 337-2688

12222 Merit Dr
Ste 600
Dallas, TX 75251
Phone (972) 361-1844

600 Gresham Dr
Norfolk, VA 23507
Phone (757) 473-0055

1060 First Colonial Rd
Virginia Beach, VA 23454
Phone (757) 395-2323

134 Business Park Dr
Virginia Beach, VA 23462
Phone (757) 473-0044

Organizations & group practices 3

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.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1622073600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775520000000",
    "number": "1619543071",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 NATURE LN",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208507769",
            "telephone_number": "703-400-1214"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4494 PALMER RD N",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "20814",
            "telephone_number": "301-295-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MOSHER",
        "first_name": "CAROLINE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-05-27",
        "last_updated": "2026-04-07",
        "certification_date": "2026-04-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MD",
            "license": "R263751",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bethesda, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 7, 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.

Verify at the official NPI Registry.