Katherine May

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

2025011392 Issued in MO

Practice address

1475 Kisker Rd Ste 200
Saint Charles, MO 63304-8788

Phone

(636) 498-5810

NPI assigned

Apr 2, 2025

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in MO

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

Physician Assistant

Education

Saint Louis University School of Medicine, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

SSM Medical Group IncGroup PAC ID 6608776299, 565 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• SSM St Joseph Health Center Hospital, Saint Charles, MO, CCN 260005
• SSM St Joseph Hospital West Hospital, Lake Saint Louis, MO, CCN 260200
• SSM Health Rehabilitation Hospital Inpatient rehabilitation facility, Richmond Heights, MO, CCN 263031

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kmay501218@direct-ehr-ssmhc.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.

• SSM Medical Group, Inc.

  dba SSM Health Medical Group

  • Multi-Specialty Clinic/Center
  • Fenton, MO
  • NPI 1700966207
  Medicare reassignment Care Compare group NPD
• SSM Medical Group Inc.

  dba SSM Health Medical Group

  • Durable Medical Equipment & Medical Supplies
  • Warrenton, MO
  • NPI 1467997155
  NPD
• SSM Health Care St. Louis

  dba SSM Health St. Joseph Hospital - St. Charles Physician Billing

  • Emergency Medicine Physician
  • Saint Charles, MO
  • NPI 1427002922
  NPD (past)

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

• SSM Health Care St. Louis

  dba SSM Health St. Joseph Hospital - St. Charles

  • General Acute Care Hospital
  • Saint Charles, MO
  • NPI 1467521146
  Care Compare affiliation
• SSM Health Care St. Louis

  dba SSM Health St Joseph Hospital - Lake Saint Louis

  • General Acute Care Hospital
  • Lake St Louis, MO
  • NPI 1871665380
  Care Compare affiliation
• SSM Select Rehab St Louis LLC

  • Rehabilitation Hospital
  • Richmond Heights, MO
  • NPI 1659511988

  Inpatient rehabilitation facility

  Care Compare affiliation

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

{
    "created_epoch": "1743552000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751414400000",
    "number": "1891599635",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11590 WESTPARK PLACE DR APT K",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631463594"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1475 KISKER RD STE 200",
            "city": "SAINT CHARLES",
            "state": "MO",
            "postal_code": "633048788",
            "telephone_number": "636-498-5810"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAY",
        "first_name": "KATHERINE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-04-02",
        "last_updated": "2025-07-02",
        "certification_date": "2025-07-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MO",
            "license": "2025011392",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MO",
            "license": "2025011392",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• James Howard Maurer, M.D.
• Sarah B Maurer, LPC, CCDP-D
• Kathryn Rose Maus
• Tammy Maxwell, PLPC
• Kasandra May, FNP
• Elizabeth H Maylack, D.O.
• Laura Mays, PHARMD
• David N Maywright, PHARMD
• Carl A Mazzola, MD
• Darla Jean McAdams

• Physician Assistant in Saint Charles, MO
• Providers in Saint Charles, MO by specialty
• Physician Assistant in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 2, 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.