NPIMap

Individual provider Active NPI

Ashley Nicole Allen, CRNP

  • Adult Health Nurse Practitioner
  • Baltimore, MD
National Provider Identifier
1083447189
Registry record updated Dec 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Adult Health Nurse PractitionerTaxonomy code 363LA2200X
License
R224864 Issued in MD
Practice address
22 S Greene St
Baltimore, MD 21201-1544
Phone
(443) 386-9883
NPI assigned
Aug 23, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 23, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X R224864 MD
Adult Health Nurse Practitioner 363LA2200X R224864 MD Primary

Addresses

Primary practice location

22 S Greene St
Baltimore, MD 21201-1544

Mailing address

9543 Dublin Rd
Walkersville, MD 21793-8608
Phone (443) 386-9883

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
I20250114002806 MD Practitioner - Nurse Practitioner 1153859418 Reassigns benefits to 3 organizations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Frederick Health Medical Group LLC Current Accepting new patients
Lutherville Hematology and Oncology Services CurrentSince Dec 11, 2025 Accepting new patients
St Paul Place Specialists Inc CurrentSince Dec 11, 2025 Accepting new patients
Frederick Health Medical Group LLC CurrentSince Dec 16, 2024 Accepting new patients
Frederick Health Medical Group LLC CurrentSince Dec 16, 2024 Accepting new patients
Saint Paul Place Specialists, Inc. CurrentSince Dec 11, 2025 Accepting new patients
University of Maryland Oncology Associates, PA Past Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
Saint Paul Place Specialists, Inc. Past Accepting new patients

Locations

301 Saint Paul St
Baltimore, MD 21202
Phone (410) 385-4930

1562 Opossumtown Pike
Frederick, MD 21702
Phone (240) 566-4500

400 W 7th St
Frederick, MD 21701
Phone (240) 566-3300

7927 Ritchie Hwy
Glen Burnie, MD 21061
Phone (410) 494-9099

7602 Belair Rd
Nottingham, MD 21236
Phone (410) 332-9654

1734 York Rd
Timonium, MD 21093
Phone (410) 252-2273

Interoperability endpoints

  • Direct secure messaging: aallen699523@direct.umm.edu

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 and National Provider Directory roles.

Hospital & facility affiliations 3

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

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Lutherville Hematology and Oncology Services 19 clinicians
St Paul Place Specialists, Inc. 332 clinicians

Practice addresses (Care Compare)

1734 York Rd
Lutherville, MD 21093-5606
Phone (410) 494-9099

301 Saint Paul St
Baltimore, MD 21202-2102
Phone (410) 659-2800

Hospital & facility affiliations

  • Mercy Medical Center Inc Hospital, Baltimore, MD, CCN 210008
  • Frederick Health Hospital Hospital, Frederick, MD, CCN 210005
  • University of Maryland Medical Center Hospital, Baltimore, MD, CCN 210002

NPI Registry JSON

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

{
    "created_epoch": "1724371200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766448000000",
    "number": "1083447189",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9543 DUBLIN RD",
            "city": "WALKERSVILLE",
            "state": "MD",
            "postal_code": "217938608",
            "telephone_number": "443-386-9883"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 S GREENE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011544",
            "telephone_number": "443-386-9883"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALLEN",
        "first_name": "ASHLEY",
        "middle_name": "NICOLE",
        "name_prefix": "Mrs.",
        "credential": "CRNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-08-23",
        "last_updated": "2025-12-23",
        "certification_date": "2025-12-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MD",
            "license": "R224864",
            "primary": false
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "MD",
            "license": "R224864",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.