Sydney Danielson, CRNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

AC003854 Issued in MD

Practice address

1050 Key Pkwy Ste 102
Frederick, MD 21702-4496

Phone

(240) 215-1138

NPI assigned

Aug 9, 2021

Last updated

Jul 24, 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

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

Telehealth

Offers telehealth services

Group practices

Privia Care Center LLCGroup PAC ID 3274801139, 286 clinicians

Amber Hill Physical Therapy IncGroup PAC ID 8527963917, 336 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Frederick Health Home Care Home health agency, Frederick, MD, CCN 217034
• Frederick Health Hospital Hospital, Frederick, MD, CCN 210005

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: sydney.ammann.1@8042.direct.athenahealth.com

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.

• Privia Care Center LLC

  • Internal Medicine Physician
  • Arlington, VA
  • NPI 1164874426

  MD

  Medicare reassignment Care Compare group NPD
• Privia Medical Group, LLC

  • Internal Medicine Physician
  • Arlington, VA
  • NPI 1013042480

  MD

  Medicare reassignment NPD
• Amber Hill Physical Therapy, Inc.

  • Physical Therapist
  • Frederick, MD
  • NPI 1548290224
  Care Compare group
• 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)
• Pulmonologists, PC

  • Pulmonary Disease Physician
  • Gaithersburg, MD
  • NPI 1245270719
  NPD (past)

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

• Frederick Health Hospital Inc

  dba Frederick Health Home Care

  • Home Health Agency
  • Frederick, MD
  • NPI 1306842174
  Care Compare affiliation
• 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": "1628467200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784851200000",
    "number": "1477228880",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9101 RIDGE LN",
            "city": "VIENNA",
            "state": "VA",
            "postal_code": "221822140"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1050 KEY PKWY STE 102",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "217024496",
            "telephone_number": "240-215-1138"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DANIELSON",
        "first_name": "SYDNEY",
        "credential": "CRNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-08-09",
        "last_updated": "2026-07-24",
        "certification_date": "2026-07-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MD",
            "license": "AC003854",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Diamond Daniel, P.A.-C
• Patricia A Daniel, PT
• Danielle J Kerr DDS LLC (Frederick Dental Solutions)
• Daniel Daniels, M.D.
• Kathleen Daniels, PMHNP, IBCLC
• Tania Danner, PT
• Paula Selina Danquah-Brobby, MS, BCBA
• Casey Anne Danzeisen, LCSWC
• Maame Darko
• Clarissa McCudden Darr, RN

• 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 Jul 24, 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.