Individual provider Active NPI

Mark John Baskerville, M.D.

  • Emergency Medicine Physician
  • Columbia, MD
National Provider Identifier
1306801824
Registry record updated Mar 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
D0054897 Issued in MD
Practice address
5755 Cedar LN
Columbia, MD 21044-2912
Phone
(410) 884-8688
NPI assigned
Apr 18, 2006
Last updated
Mar 9, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 9, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X D54897 MD
Anesthesiology Physician 207L00000X MD23614 OR
Emergency Medicine Physician 207P00000X D0054897 MD Primary

Addresses

Primary practice location

5755 Cedar LN
Columbia, MD 21044-2912

Mailing address

6201 Greenleigh Ave
Middle River, MD 21220-2004
Phone (410) 933-0000

Other practice location 1

8600 Old Georgetown Rd
Bethesda, MD 20814-1422
Phone (301) 896-7610

Other practice location 2

1255 Hilyard St
Eugene, OR 97401-3718
Phone (541) 686-7300

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR, MD, DC3 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20050928001578 OR Practitioner - Anesthesiology 1759316615 Reassigns benefits to 1 organization
I20201208000186 MD Practitioner - Critical Care (Intensivists)Practitioner - AnesthesiologyPractitioner - Internal MedicinePractitioner - Addiction MedicinePractitioner - Emergency Medicine 1759316615 Reassigns benefits to 3 organizations
I20201208000235 DC Practitioner - Critical Care (Intensivists)Practitioner - Internal MedicinePractitioner - Anesthesiology 1759316615 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Critical Care (Intensivists)Also: Anesthesiology, Internal Medicine
Education
Johns Hopkins University School of Medicine, 1995
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University Anesthesiology Associates LLCGroup PAC ID 6901702869, 239 clinicians

Practice addresses (Care Compare)

14207 Park Ctr Dr
Suite 102
Laurel, MD 20707-5255
Phone (301) 604-5254

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3011
Phone (503) 494-7641

3181 Swsam Jackson Park Rd
Portland, OR 97239-3011

8600 Old Georgetown Rd
Bethesda, MD 20814-1422
Phone (301) 896-3100

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Quality
98.65
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
87.23 of 100Reported as group
Quality
80.47
Promoting interoperability
100
Improvement activities
40
Cost
76.96

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
D0054897MDMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Johns Hopkins Community Physicians, Inc CurrentSince Dec 1, 2020 Accepting new patients
Johns Hopkins Community Physicians CurrentSince Dec 1, 2020 Accepting new patients
Johns Hopkins University CurrentSince May 1, 2023 Accepting new patients
Johns Hopkins Community Physicians, Inc Current Accepting new patients
Johns Hopkins Community Physicians, Inc CurrentSince Dec 1, 2020 Accepting new patients
First Colonies Anesthesia Associates, LLC Anesthesiology CurrentSince Dec 1, 2024 Accepting new patients
Johns Hopkins University Anesthesiology CurrentSince May 1, 2023 Accepting new patients
University Anesthesiology Associates, LLC Anesthesiology CurrentSince Jul 1, 2013 Accepting new patients
Johns Hopkins University Current Accepting new patients
Northwest Anesthesia Physicians PC Anesthesiology Past Accepting new patients

Locations

1000 E Eager St
Baltimore, MD 21202
Phone (410) 522-9800

600 N Wolfe St
Baltimore, MD 21287

8600 Old Georgetown Rd
Bethesda, MD 20814
Phone (301) 896-2578

5755 Cedar Ln
Columbia, MD 21044
Phone (410) 381-7171

14207 Park Center Dr
Ste 102
Laurel, MD 20707
Phone (301) 604-5254

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

11210 Old Georgetown Rd
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

Interoperability endpoints

  • Direct secure messaging: mbaskerville80553@direct.hopkinsmedicine.org
  • Direct secure messaging: mjbasker@yourcarecommunity.org

Organizations & group practices 11

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

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": "1145318400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773014400000",
    "number": "1306801824",
    "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": "410-933-0000",
            "fax_number": "410-500-4266"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5755 CEDAR LN",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "210442912",
            "telephone_number": "410-884-8688"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8600 Old Georgetown Rd",
            "address_purpose": "LOCATION",
            "city": "Bethesda",
            "state": "MD",
            "postal_code": "208141422",
            "country_code": "US",
            "telephone_number": "301-896-7610",
            "fax_number": "301-896-7626",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1255 Hilyard St",
            "address_purpose": "LOCATION",
            "city": "Eugene",
            "state": "OR",
            "postal_code": "974013718",
            "country_code": "US",
            "telephone_number": "541-686-7300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BASKERVILLE",
        "first_name": "MARK",
        "middle_name": "JOHN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-18",
        "last_updated": "2026-03-09",
        "certification_date": "2026-03-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MD",
            "license": "D54897",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "OR",
            "license": "MD23614",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MD",
            "license": "D0054897",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Columbia, MD

Sources for this page

Verify at the official NPI Registry.