Alyssa Best, CRNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

R236068 Issued in MD

Practice address

180 Thomas Johnson Dr Ste 202
Frederick, MD 21702-4550

Phone

(301) 631-6877

Fax

(301) 631-1592

NPI assigned

Jul 21, 2021

Last updated

Oct 8, 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

Electronic endpoints 1

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

Specialty

Nurse Practitioner

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cardiovascular Specialists of Frederick, LLCGroup PAC ID 4082667761, 11 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Frederick Health Hospital Hospital, Frederick, MD, CCN 210005

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: abest@carrollfamilymed.com
• Direct secure messaging: alyssa.best.p18@direct.csof.nextgenshare.com
• FHIR API: https://api.platform.athenahealth.com/8042/brand/1/csg/1/fhir/r4
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

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.

• Cardiovascular Specialists of Frederick, LLC

  • Specialist
  • Frederick, MD
  • NPI 1922034461
  Medicare reassignment Care Compare group NPD
• Carroll Family Medicine, LLC

  • Family Medicine Physician
  • Hampstead, MD
  • NPI 1043240708
  Medicare reassignment NPD
• Privia Care Center LLC

  • Internal Medicine Physician
  • Arlington, VA
  • NPI 1164874426

  MD

  Medicare reassignment NPD
• Privia Medical Group, LLC

  • Internal Medicine Physician
  • Arlington, VA
  • NPI 1013042480

  MD

  Medicare reassignment NPD
• Menocal Medical Services PA

  • Family Medicine Physician
  • Frederick, MD
  • NPI 1083795918
  NPD
• Privia Care Center LLC

  • Internal Medicine Physician
  • Baltimore, MD
  • NPI 1730664012
  NPD
• Privia Medical Group, LLC

  • Pain Medicine (Psychiatry & Neurology) Physician
  • Rockville, MD
  • NPI 1811715436
  NPD
• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)

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

• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  Care Compare affiliation

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

{
    "created_epoch": "1626825600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791417600000",
    "number": "1053984641",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "180 THOMAS JOHNSON DR STE 202",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "217024550",
            "telephone_number": "301-631-6877",
            "fax_number": "301-631-1592"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "180 THOMAS JOHNSON DR STE 202",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "217024550",
            "telephone_number": "301-631-6877",
            "fax_number": "301-631-1592"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BEST",
        "first_name": "ALYSSA",
        "credential": "CRNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-07-21",
        "last_updated": "2026-10-08",
        "certification_date": "2026-10-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MD",
            "license": "R236068",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "alyssa.best.p18@direct.csof.nextgenshare.com",
            "affiliation": "Y",
            "endpointDescription": "Direct Messaging Address",
            "affiliationName": "CARDIOVASCULAR SPECIALISTS OF FREDERICK, LLC",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "180 Thomas Johnson Dr",
            "address_2": "202",
            "city": "Frederick",
            "state": "MD",
            "country_code": "US",
            "postal_code": "217024409",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

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• Kenneth Alvin Bertram, MD
• Wendy E Betah, DNP, FNP-C, NRCME
• Jessica Chava Betaharon
• Obinna Bethrand-Okechukwu
• Better Smiles Family Dental, LLC
• Hailey Betz

• Family Nurse Practitioner in Frederick, MD
• Providers in Frederick, 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 Oct 8, 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.