NPIMap

Individual provider Active NPI

Karl John Maki, M.D.

  • Neurology Physician
  • Annapolis, MD
National Provider Identifier
1639465883
Registry record updated Sep 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology PhysicianTaxonomy code 2084N0400X
License
D81220 Issued in MD
Practice address
122 Defense Hwy
Suite 210
Annapolis, MD 21401-7069
Phone
(410) 266-9694
Fax
(410) 266-9695
NPI assigned
Jun 27, 2011
Last updated
Sep 2, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 2, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology Physician 2084N0400X D81220 MD Primary

Addresses

Primary practice location

122 Defense Hwy
Suite 210
Annapolis, MD 21401-7069

Mailing address

122 Defense Hwy
Suite 210
Annapolis, MD 21401-7069
Phone (410) 266-9694

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20160516001943 MD Practitioner - Neurology 8123327301 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Daniel Hexter MD PAGroup PAC ID 0446338750, 7 clinicians

Practice addresses (Care Compare)

122 Defense Hwy
Suite 210
Annapolis, MD 21401-7071
Phone (410) 266-9694

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Skin biopsy1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D81220MDMDNeurology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Daniel Hexter MD PA Neurology CurrentSince Jun 1, 2016 Accepting new patients
Daniel Hexter MD PA Neurology CurrentSince Jun 1, 2016 Accepting new patients

Locations

122 Defense Hwy
Ste 210
Annapolis, MD 21401
Phone (410) 266-9694

130 Love Point Rd
Ste 107
Stevensville, MD 21666
Phone (410) 266-9694

Organizations & group practices 2

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 11

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": "1309132800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788307200000",
    "number": "1639465883",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "122 DEFENSE HWY",
            "address_2": "SUITE 210",
            "city": "ANNAPOLIS",
            "state": "MD",
            "postal_code": "214017069",
            "telephone_number": "410-266-9694",
            "fax_number": "410-266-9695"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "122 DEFENSE HWY",
            "address_2": "SUITE 210",
            "city": "ANNAPOLIS",
            "state": "MD",
            "postal_code": "214017069",
            "telephone_number": "410-266-9694",
            "fax_number": "410-266-9695"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAKI",
        "first_name": "KARL",
        "middle_name": "JOHN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-06-27",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "MD",
            "license": "D81220",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Annapolis, MD

Sources for this page

Verify at the official NPI Registry.