Individual provider Active NPI

Lindsey Ryan Martin, CRNP

  • Acute Care Nurse Practitioner
  • Baltimore, MD
National Provider Identifier
1174951917
Registry record updated Oct 14, 2013
On this page

Key facts

NPPES NPI Registry
Primary specialty
Acute Care Nurse PractitionerTaxonomy code 363LA2100X
License
R208391 Issued in MD
Practice address
22 S Greene St
University of Maryland Medical Center
Baltimore, MD 21201
Phone
(410) 389-2931
NPI assigned
Oct 14, 2013
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 14, 2013

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Acute Care Nurse Practitioner 363LA2100X R208391 MD Primary

Addresses

Primary practice location

22 S Greene St
University of Maryland Medical Center
Baltimore, MD 21201

Mailing address

22 S Greene St
University of Maryland Medical Center
Baltimore, MD 21201
Phone (410) 389-2931

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, TX, AK3 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20170112001675 MA Practitioner - Nurse Practitioner 8921328055 Reassigns benefits to 2 organizations
I20260218002573 TX Practitioner - Nurse Practitioner 8921328055 Reassigns benefits to 1 organization
I20260316000800 AK Practitioner - Nurse Practitioner 8921328055 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

436 5TH St
Kotzebue, AZ 99752-0043

PO Box
Suite 43
Kotzebue, AK 99752-0043

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
R208391MDMDAcute Care Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Maniilaq Association CurrentSince Sep 1, 2025 Accepting new patients
The General Hospital Corporation CurrentSince Jan 1, 2017 Accepting new patients
Massachusetts General Physicians Organization Inc CurrentSince Jan 1, 2017 Accepting new patients
Maniilaq Association CurrentSince Dec 16, 2025 Accepting new patients
General Hospital Corp Current Accepting new patients

Locations

55 Fruit St
Boston, MA 02114

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

Interoperability endpoints

  • Direct secure messaging: martin.lindsey.mgh@direct.partners.masshiway.net

Organizations & group practices 6

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.

NPI Registry JSON

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

{
    "created_epoch": "1381708800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1381708800000",
    "number": "1174951917",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22 S GREENE ST",
            "address_2": "UNIVERSITY OF MARYLAND MEDICAL CENTER",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "21201",
            "telephone_number": "410-389-2931"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 S GREENE ST",
            "address_2": "UNIVERSITY OF MARYLAND MEDICAL CENTER",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "21201",
            "telephone_number": "410-389-2931"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARTIN",
        "first_name": "LINDSEY",
        "middle_name": "RYAN",
        "name_prefix": "Ms.",
        "credential": "CRNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-10-14",
        "last_updated": "2013-10-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "MD",
            "license": "R208391",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.