Crystal Williams

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

R234872 Issued in MD

Practice address

8890 McGaw Rd Ste 350-360
Columbia, MD 21045-4743

Phone

(301) 317-6575

NPI assigned

Jan 7, 2019

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MD

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 1

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cbailey538107@direct.umm.edu

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.

• Shock Trauma Associates, P.a.

  • Emergency Care Clinic/Center
  • Baltimore, MD
  • NPI 1679512909
  Medicare reassignment NPD
• Umms Ambulatory Care LLC

  • Urgent Care Clinic/Center
  • Denton, MD
  • NPI 1487251997
  Medicare reassignment NPD
• Joshi & Merchant, MD,PA

  • Psychiatry Physician
  • Columbia, MD
  • NPI 1609811447
  Medicare reassignment NPD (past)
• Joshi Mental Health and Wellness LLC

  • Psychiatric/Mental Health Nurse Practitioner
  • Columbia, MD
  • NPI 1669391108
  NPD
• Umms Ambulatory Care LLC

  • Urgent Care Clinic/Center
  • Pasadena, MD
  • NPI 1508628942
  NPD
• Umms Ambulatory Care LLC

  • Urgent Care Clinic/Center
  • Glen Burnie, MD
  • NPI 1801651674
  NPD
• Joshi & Merchant, MD,PA

  • Internal Medicine Physician
  • Columbia, MD
  • NPI 1689542656
  NPD (past)

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

{
    "created_epoch": "1546819200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780358400000",
    "number": "1477026045",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22 S GREENE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011544"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8890 MCGAW RD STE 350-360",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "210454743",
            "telephone_number": "301-317-6575"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "22 S Greene St",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212011544",
            "country_code": "US",
            "telephone_number": "410-328-2592",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "CRYSTAL",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2019-01-07",
        "last_updated": "2026-06-02",
        "certification_date": "2026-06-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "MD",
            "license": "R234872",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Breyah Williams
• Bryan Scott Williams
• Candida A. Williams
• Charles Williams
• Christopher Sean Williams
• Cynthia Williams, RN, BSN
• Danielle Williams, LMSW
• Derrick Christopher Williams
• Devon Williams
• Elaine Williams, LPC

• Psychiatric/Mental Health Nurse Practitioner in Columbia, MD
• Providers in Columbia, MD by specialty
• Psychiatric/Mental Health Nurse Practitioner in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 2, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.