Individual provider Active NPI

Adam Grayson Warth, CRNA

  • Certified Registered Nurse Anesthetist
  • Baltimore, MD
National Provider Identifier
1316630890
Registry record updated Apr 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
R228174 Issued in MD
Practice address
6701 N Charles St Ste 4902
Baltimore, MD 21204-6881
Phone
(443) 849-2202
NPI assigned
May 31, 2023
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 8, 2025

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 R228174 MD Primary

Addresses

Primary practice location

6701 N Charles St Ste 4902
Baltimore, MD 21204-6881

Mailing address

6201 Greenleigh Ave
Middle River, MD 21220-2004

Other practice location 1

1800 Orleans St
Baltimore, MD 21287-0010
Phone (410) 502-2037

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20231013003023 MD Practitioner - Certified Registered Nurse Anesthetist (Crna) 3476908260 Reassigns benefits to 10 organizations
I20241218004492 DC Practitioner - Certified Registered Nurse Anesthetist (Crna) 3476908260 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2023
Medicare assignment
May accept Medicare assignment
Group practices
First Colonies Anesthesia Associates, LLCGroup PAC ID 8426039744, 339 clinicians
Johns Hopkins UniversityGroup PAC ID 8921903147, 2,886 clinicians

Practice addresses (Care Compare)

10803 Falls Rd
Suite 3100
Lutherville, MD 21093-4582
Phone (410) 955-5000

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

4940 Eastern Ave
Baltimore, MD 21224-2735
Phone (410) 550-0100

600 N Wolf St
Baltimore, MD 21287-0005
Phone (410) 955-5000

600 N Wolfe St
Blalock 266
Baltimore, MD 21287-0005
Phone (410) 502-4340

6201 Greenleigh Ave
Middle River, MD 21220-2004

Hospital & facility affiliations

  • University of MD Baltimore Washington Medical Center Hospital, Glen Burnie, MD, CCN 210043
  • Johns Hopkins Hospital, the Hospital, Baltimore, MD, CCN 210009
  • Johns Hopkins Bayview Medical Center Hospital, Baltimore, MD, CCN 210029

Merit-based Incentive Payment System (MIPS)

Final score
63.85 of 100Reported as group
Quality
57.47
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Maryland Endoscopy Anesthesia LLC CurrentSince Feb 1, 2025 Accepting new patients
GBMC Hospital Based Services, LLC. CurrentSince Oct 23, 2023 Accepting new patients
Columbia Outpatient Sedation LLC Nurse Anesthetist, Certified Registered CurrentSince Jan 1, 2025 Accepting new patients
First Colonies Anesthesia Associates, LLC Nurse Anesthetist, Certified Registered CurrentSince Dec 1, 2024 Accepting new patients
Anesthesia Company, LLC Nurse Anesthetist, Certified Registered CurrentSince Aug 15, 2023 Accepting new patients
Old Westminster Pike Anesthesia LLC CurrentSince Nov 9, 2024 Accepting new patients
Johns Hopkins University Current Accepting new patients
Lifebridge Anesthesia Associates, LLC Nurse Anesthetist, Certified Registered CurrentSince Jan 18, 2026 Accepting new patients
Johns Hopkins University Nurse Anesthetist, Certified Registered CurrentSince May 1, 2025 Accepting new patients
Johns Hopkins University CurrentSince May 1, 2025 Accepting new patients
Easton Anesthesia Associates LLC Nurse Anesthetist, Certified Registered CurrentSince Feb 1, 2025 Accepting new patients
Olney Endoscopy Center PastSince Jan 1, 2025 Accepting new patients
Maryland Family Care, Inc. PastSince Jun 4, 2023 Accepting new patients

Locations

1419 Forest Dr
Ste 105
Annapolis, MD 21403

2001 Medical Pkwy
Annapolis, MD 21401
Phone (410) 280-5601

1800 Orleans St
Baltimore, MD 21287
Phone (410) 502-2037

6401 N Charles St
Rm 4226
Baltimore, MD 21212
Phone (443) 849-2121

600 N Wolfe St
Baltimore, MD 21287

7120 Minstrel Way
Ste 100
Columbia, MD 21045
Phone (571) 210-4828

511 Idlewild Ave
Easton, MD 21601
Phone (410) 820-6486

301 Hospital Dr
Glen Burnie, MD 21061
Phone (410) 787-4565

10803 Falls Rd
Ste 3100
Lutherville, MD 21093
Phone (410) 469-4937

6201 Greenleigh Ave
Middle River, MD 21220
Phone (410) 933-2704

3407 Olandwood Ct
Unit 103
Olney, MD 20832
Phone (301) 570-8671

23 Crossroads Dr
Ste 100
Owings Mills, MD 21117
Phone (410) 356-0300

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

1500 Forest Glen Rd
Silver Spring, MD 20910
Phone (301) 754-7230

100 West Rd
Ste 115
Towson, MD 21204
Phone (410) 494-0144

6701 N Charles St
Ste 4902
Towson, MD 21204
Phone (410) 377-7000

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

535 Old Westminster Pike
Ste 104
Westminster, MD 21157
Phone (410) 453-8275

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

Interoperability endpoints

  • Direct secure messaging: awarth7819@direct.hopkinsmedicine.org
  • Direct secure messaging: awarth450239@direct.umm.edu

Organizations & group practices 14

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.

View all 14

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": "1685491200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744070400000",
    "number": "1316630890",
    "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",
            "fax_number": "410-500-4266"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6701 N CHARLES ST STE 4902",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212046881",
            "telephone_number": "443-849-2202"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1800 Orleans St",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212870010",
            "country_code": "US",
            "telephone_number": "410-502-2037",
            "fax_number": "410-955-0737",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WARTH",
        "first_name": "ADAM",
        "middle_name": "GRAYSON",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-05-31",
        "last_updated": "2025-04-08",
        "certification_date": "2025-04-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MD",
            "license": "R228174",
            "primary": true
        }
    ],
    "identifiers": [],
    "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 Apr 8, 2025; 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.