Ashley Crystal Pfeiffer, CRNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

R207147 Issued in MD

Practice address

22590 Shady Court
California, MD 20619-5009

Phone

(301) 737-0500

Fax

(301) 737-3351

NPI assigned

Aug 8, 2025

Last updated

Aug 19, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other names 1

• Ashley Crystal Hobbs Former name

Medicare fee-for-service enrollment

Enrolled in MD, DC2 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 2

Specialty

Nurse Practitioner

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Medstar Medical Group - Southern Maryland LLCGroup PAC ID 1355667056, 241 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Medstar Health Home Care Home health agency, Hyattsville, MD, CCN 217150
• Medstar Saint Mary's Hospital Hospital, Leonardtown, MD, CCN 210028

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

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.

• Medstar Medical Group - Southern Maryland LLC

  dba MedStar Shah Medical Group, LLC

  • Internal Medicine Physician
  • Hollywood, MD
  • NPI 1831592211

  DC

  Medicare reassignment Care Compare group NPD
• Medstar Medical Group - Southern Maryland LLC

  • Ambulatory Surgical Clinic/Center
  • Waldorf, MD
  • NPI 1730571118
  NPD
• Medstar Southern Maryland Physicians, LLC

  dba Women's Health Center of Waldorf

  • Obstetrics & Gynecology Physician
  • White Plains, MD
  • NPI 1366644197
  NPD (past)

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

• Medstar Health Visiting Nurse Association, Inc.

  dba MedStar Health Home Care

  • Home Health Agency
  • Greenbelt, MD
  • NPI 1154437879
  Care Compare affiliation
• St Marys Hospital of St Marys County Inc

  dba MedStar St. Mary's Hospital

  • General Acute Care Hospital
  • Leonardtown, MD
  • NPI 1780650473
  Care Compare affiliation

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

{
    "created_epoch": "1754611200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787097600000",
    "number": "1023993078",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "24035 THREE NOTCH RD",
            "city": "HOLLYWOOD",
            "state": "MD",
            "postal_code": "206364871",
            "telephone_number": "301-373-7900",
            "fax_number": "301-373-6900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22590 SHADY COURT",
            "city": "CALIFORNIA",
            "state": "MD",
            "postal_code": "206195009",
            "telephone_number": "301-737-0500",
            "fax_number": "301-737-3351"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PFEIFFER",
        "first_name": "ASHLEY",
        "middle_name": "CRYSTAL",
        "credential": "CRNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-08-08",
        "last_updated": "2026-08-19",
        "certification_date": "2026-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MD",
            "license": "R207147",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ASHLEY",
            "last_name": "HOBBS",
            "middle_name": "CRYSTAL",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

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• Family Nurse Practitioner in California, MD
• Providers in California, MD by specialty
• Family Nurse Practitioner in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 19, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.