Individual provider Active NPI

Steven Montague, PA-C

  • Medical Physician Assistant
  • Saint Louis, MO
National Provider Identifier
1245878255
Registry record updated Oct 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Physician AssistantTaxonomy code 363AM0700X
License
2021030022 Issued in MO
Practice address
10012 Kennerly Rd Ste 406
Saint Louis, MO 63128-2197
Phone
(314) 525-1224
NPI assigned
Dec 20, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 23, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 58279 CA
Medical Physician Assistant 363AM0700X 2021030022 MO Primary

Addresses

Primary practice location

10012 Kennerly Rd Ste 406
Saint Louis, MO 63128-2197

Mailing address

10012 Kennerly Rd Ste 406
Saint Louis, MO 63128-2197
Phone (314) 525-1224

Other practice location 1

8590 Rio San Diego Dr Ste 111
San Diego, CA 92108-5597
Phone (855) 362-9773

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO, CA2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20210811002136 MO Practitioner - Physician Assistant 2668876723 Reassigns benefits to 2 organizations
I20251112002194 CA Practitioner - Physician Assistant 2668876723 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mercy Clinic Surgical Specialists LLCGroup PAC ID 1153455076, 180 clinicians
Somagen Healthcare IncGroup PAC ID 1557530151, 53 clinicians
Synergy Observation Specialists PCGroup PAC ID 5496138307, 34 clinicians

Practice addresses (Care Compare)

10050 Kennerly Rd
Suite 25200
Saint Louis, MO 63128-2106
Phone (314) 525-4440

10538 Mission Gorge Rd
Suite 100
Santee, CA 92071-3154
Phone (619) 456-0033

1740 Rosecrans St
San Diego, CA 92106-1928
Phone (619) 790-7800

2975 Sycamore Dr
Simi Valley, CA 93065-1201
Phone (805) 955-6000

5671 Balboa Ave
San Diego, CA 92111-2705
Phone (858) 800-2880

621 S New Ballas Rd
Suite 3005B
Saint Louis, MO 63141-8266
Phone (314) 567-5850

750 Otay Lakes Rd
Suite 272
Chula Vista, CA 91910-6915

760 Otay Lakes Rd
Chula Vista, CA 91910-6915
Phone (619) 821-2300

8260 Mira Mesa Blvd
Suite a
San Diego, CA 92126-2662
Phone (858) 900-3550

8590 Rio San Diego Dr
Suite 111
San Diego, CA 92108-5597
Phone (619) 736-4600

Hospital & facility affiliations

  • Mercy Hospital South Hospital, Saint Louis, MO, CCN 260077

Merit-based Incentive Payment System (MIPS)

Final score
42.87 of 100Reported as group
Quality
31.86
Promoting interoperability
0
Improvement activities
40
Cost
61.04

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Total Access Urgent Care, PC CurrentSince Aug 10, 2021 Accepting new patients
Somagen Healthcare Inc Current Accepting new patients
Somagen Healthcare Inc CurrentSince Oct 1, 2025 Accepting new patients
Total Access Urgent Care, PC CurrentSince Aug 10, 2021 Accepting new patients
Scripps Health Current Accepting new patients
Somagen Healthcare Inc CurrentSince Oct 1, 2025 Accepting new patients
Clara Lucy Polak, M.D. Inc. PastSince Dec 1, 2019 Accepting new patients
Mercy Clinic East Communities Past Accepting new patients

Locations

760 Otay Lakes Rd
Chula Vista, CA 91910
Phone (619) 821-2300

750 Otay Lakes Rd
Chula Vista, CA 91910
Phone (619) 259-9462

16912 San Fernando Mission Blvd
Granada Hills, CA 91344
Phone (818) 488-6160

1740 Rosecrans St
San Diego, CA 92106
Phone (619) 790-7800

5671 Balboa Ave
San Diego, CA 92111
Phone (855) 362-9773

8590 Rio San Diego Dr
Ste 111
San Diego, CA 92108
Phone (619) 736-4600

8260 Mira Mesa Blvd
Ste A
San Diego, CA 92126
Phone (855) 362-9773

9556 Manchester Rd
Saint Louis, MO 63119
Phone (314) 373-5740

1717 Madison Ave
Washington, MO 63090
Phone (636) 244-6950

Interoperability endpoints

  • Direct secure messaging: smontague317851@scrippshlth.medalliesdirect.net

Organizations & group practices 10

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1576800000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761177600000",
    "number": "1245878255",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10012 KENNERLY RD STE 406",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631282197",
            "telephone_number": "314-525-1224"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10012 KENNERLY RD STE 406",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631282197",
            "telephone_number": "314-525-1224"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8590 Rio San Diego Dr Ste 111",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921085597",
            "country_code": "US",
            "telephone_number": "855-362-9773",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MONTAGUE",
        "first_name": "STEVEN",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-12-20",
        "last_updated": "2025-10-23",
        "certification_date": "2025-10-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "58279",
            "primary": false
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "MO",
            "license": "2021030022",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.