Alayna A Sizemore, APRN

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

3018343 Issued in KY

Practice address

1201 Seven Locks Rd Ste 100
Rockville, MD 20854-2961

Phone

(301) 562-7200

NPI assigned

Sep 23, 2022

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 DC

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, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

The Neurology CenterGroup PAC ID 9739162942, 28 clinicians

Suburban/NRH Medical Rehabilitation IncGroup PAC ID 6507846771, 885 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Professional Healthcare Resources of Maryland, Inc. Home health agency, Kensington, MD, CCN 217154
• Baptist Health Louisville Hospital, Louisville, KY, CCN 180130
• Baptist Health Lagrange Hospital, La Grange, KY, CCN 180138
• Adventist Healthcare Rehabilitation at Rockville Inpatient rehabilitation facility, Rockville, MD, CCN 213029

Merit-based Incentive Payment System (MIPS)

Final score

94.29 of 100Reported as apm

Quality

87.32

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/23649/brand/1/csg/1/fhir/r4
• Direct secure messaging: alayna.sizemore.1@23649.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 and National Provider Directory roles.

• The Neurology Center

  • Neurology Physician
  • Silver Spring, MD
  • NPI 1598737751

  DC

  Medicare reassignment Care Compare group NPD
• Suburban/NRH Medical Rehabilitation Inc

  • Rehabilitation Clinic/Center
  • Bethesda, MD
  • NPI 1457354748
  Care Compare group
• Baptist Health Medical Group Inc

  • Internal Medicine Physician
  • Louisville, KY
  • NPI 1780961300
  NPD
• Baptist Health Medical Group Inc

  • Rural Health Clinic/Center
  • Dawson Springs, KY
  • NPI 1982178216
  NPD
• Frederick Health Hospital Inc

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

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

• Adventist Rehabilitation Hospital of Maryland Inc

  • Rehabilitation Hospital
  • Rockville, MD
  • NPI 1043216773

  Inpatient rehabilitation facility

  Care Compare affiliation
• Professional Healthcare Resources of Maryland, Inc.

  • Home Health Agency
  • Kensington, MD
  • NPI 1215084900
  Care Compare affiliation
• Baptist Healthcare System Inc.

  • General Acute Care Hospital
  • Louisville, KY
  • NPI 1265539498
  Care Compare affiliation
• Baptist Healthcare System, Inc.

  • General Acute Care Hospital
  • La Grange, KY
  • NPI 1306925540
  Care Compare affiliation

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

{
    "created_epoch": "1663891200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767052800000",
    "number": "1144943119",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8555 16TH ST STE 310",
            "city": "SILVER SPRING",
            "state": "MD",
            "postal_code": "209102802",
            "telephone_number": "301-563-7198"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1201 SEVEN LOCKS RD STE 100",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208542961",
            "telephone_number": "301-562-7200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIZEMORE",
        "first_name": "ALAYNA",
        "middle_name": "A",
        "credential": "APRN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-09-23",
        "last_updated": "2025-12-30",
        "certification_date": "2025-12-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "KY",
            "license": "3018343",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kaltheen Marie Sisti, LGSW
• Kayla Sisti, RMP
• Ariana Sistrunk-Gary
• Barathi Sivasailam
• Zoe Six, PT, DPT
• Polina Sizova
• SJM Psychology, LLC
• Joseph Skaff
• Alexander Skelton
• Koretta Skelton, LCSW-C

• Family Nurse Practitioner in Rockville, MD
• Providers in Rockville, 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 Dec 30, 2025; 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.