Leon Simms, PA-C

Primary specialty

Surgical Physician AssistantTaxonomy code 363AS0400X

License

PA52384 Issued in CA

Practice address

2801 K St
Suite 310
Sacramento, CA 95816-5120

Phone

(916) 454-6677

NPI assigned

Mar 2, 2015

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in CA, DC, MD3 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 3

Specialty

Physician Assistant

Education

Other, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Professional Services of Holy CrossGroup PAC ID 3779516992, 159 clinicians

Luminis Health Medical Group, LLCGroup PAC ID 2860447315, 540 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Holy Cross Hospital Hospital, Silver Spring, MD, CCN 210004
• Luminis Health Doctors Community Medical Ctr, Inc Hospital, Lanham, MD, CCN 210051

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: lsimms1609669@direct.trinity-health.org

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.

• Luminis Health Medical Group, LLC

  • Surgery Physician
  • Annapolis, MD
  • NPI 1649248485

  DC

  Medicare reassignment Care Compare group
• Professional Services of Holy Cross

  • Health Service Clinic/Center
  • Silver Spring, MD
  • NPI 1487692828

  DC

  Medicare reassignment Care Compare group
• Acute Care Surgery Medical Group, Inc.

  • Surgery Physician
  • Sacramento, CA
  • NPI 1700069549
  Medicare reassignment NPD
• St Agnes Healthcare Inc

  • Internal Medicine Physician
  • Baltimore, MD
  • NPI 1144250176
  Medicare reassignment NPD
• Lodi Memorial Hospital Association, Inc

  • Primary Care Clinic/Center
  • Lodi, CA
  • NPI 1861649352
  Medicare reassignment
• Physician Assistant Surgical Assist, Inc

  • Surgery Physician
  • Rocklin, CA
  • NPI 1093059248
  Medicare reassignment
• Rideout Medical Associates, Inc.

  • Multi-Specialty Clinic/Center
  • Yuba City, CA
  • NPI 1740530385
  Medicare reassignment
• Sacramento Knee & Sports Medicine

  • Orthopaedic Surgery Physician
  • Sacramento, CA
  • NPI 1922115575
  Medicare reassignment
• Dimensions Healthcare Associates, Inc.

  • Anesthesiology Physician
  • Largo, MD
  • NPI 1346354834

  DC

  Medicare reassignment
• Johns Hopkins University

  • Transplant Surgery Physician
  • Baltimore, MD
  • NPI 1124009758

  DC

  Medicare reassignment
• Johns Hopkins University

  • Pain Medicine (Anesthesiology) Physician
  • Baltimore, MD
  • NPI 1922008549
  Medicare reassignment
• Dimensions Health Associates Dba University of Maryland Capital Region

  • Internal Medicine Physician
  • Oxon Hill, MD
  • NPI 1407486293
  NPD

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

• Holy Cross Health, Inc

  • General Acute Care Hospital
  • Silver Spring, MD
  • NPI 1669417838
  Care Compare affiliation
• Holy Cross Health, Inc.

  • Clinical Medical Laboratory
  • Silver Spring, MD
  • NPI 1831574284

  Hospital

  Care Compare affiliation
• Luminis Health Doctors Community Medical Center, Inc.

  • General Acute Care Hospital
  • Lanham, MD
  • NPI 1730136532
  Care Compare affiliation

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

{
    "created_epoch": "1425254400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771286400000",
    "number": "1093107997",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE",
            "city": "MIDDLE RIVER",
            "state": "MD",
            "postal_code": "212202004",
            "telephone_number": "410-933-0000",
            "fax_number": "410-500-4266"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2801 K ST",
            "address_2": "SUITE 310",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958165120",
            "telephone_number": "916-454-6677"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8600 Old Georgetown Rd",
            "address_purpose": "LOCATION",
            "city": "Bethesda",
            "state": "MD",
            "postal_code": "208141497",
            "country_code": "US",
            "telephone_number": "301-896-2578",
            "fax_number": "301-897-1378",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIMMS",
        "first_name": "LEON",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-03-02",
        "last_updated": "2026-02-17",
        "certification_date": "2026-02-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "CA",
            "license": "PA52384",
            "primary": true
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "MD",
            "license": "C0005741",
            "primary": false
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "VA",
            "license": "0110-004862",
            "primary": false
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "VA",
            "license": "0110-004862",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1093107997",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Tara Talibah Simmons
• Tracy Marie Simmons, PHD
• Zena Louise Simmons
• Kathy Mary Simms, LPT
• Khalehla Simms
• Amanda Simon
• Anyla Simon
• Gerald E Simon, M.D.
• Jacob Simon
• Kara Simon

• Surgical Physician Assistant in Sacramento, CA
• Providers in Sacramento, CA by specialty
• Surgical Physician Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 17, 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.