Individual provider Active NPI

Nathaniel Welsh Best, PA-C

  • Physician Assistant
  • Saint Charles, MO
National Provider Identifier
1467928408
Registry record updated Sep 10, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
2020030531 Issued in MO
Practice address
300 1St Capitol Dr
Saint Charles, MO 63301-2844
Phone
(636) 947-5000
NPI assigned
Oct 17, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 10, 2024

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 085.006912 IL
Physician Assistant 363A00000X 126823 IA
Physician Assistant 363A00000X 2020030531 MO Primary

Addresses

Primary practice location

300 1St Capitol Dr
Saint Charles, MO 63301-2844

Mailing address

300 1St Capitol Dr
Saint Charles, MO 63301-2844

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Health Information Exchange (HIE) PROTESTANT MEMORIAL MEDICAL CENTER, INC.

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, MO, IA3 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

Enrollment IDStateProvider typePAC IDDetails
I20190510001729 IL Practitioner - Physician Assistant 9739422908 Reassigns benefits to 3 organizations
I20211020001867 MO Practitioner - Physician Assistant 9739422908 Reassigns benefits to 1 organization
I20240919002499 IA Practitioner - Physician Assistant 9739422908 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Cep America LLCGroup PAC ID 6608056171, 995 clinicians

Practice addresses (Care Compare)

1015 Bowles Ave
Fenton, MO 63026-2394
Phone (636) 496-2000

300 1St Capitol Dr
Saint Charles, MO 63301-2844
Phone (636) 947-5000

Hospital & facility affiliations

  • SSM St Joseph Health Center Hospital, Saint Charles, MO, CCN 260005

Merit-based Incentive Payment System (MIPS)

Final score
80.57 of 100Reported as group
Quality
71.8
Improvement activities
40
Cost
80.85

Merit-based Incentive Payment System (MIPS)

Final score
87.3 of 100Reported as group
Quality
70.94
Improvement activities
40
Cost
92.94

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
085.006912ILMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Vituity-Iowa PLLC CurrentSince Sep 1, 2024 Accepting new patients
Cepamerica Illinois LLP CurrentSince Sep 1, 2021 Accepting new patients
Cep America LLC CurrentSince Nov 1, 2021 Accepting new patients
Cep America LLC CurrentSince Nov 1, 2021 Accepting new patients
Cepamerica Illinois LLP CurrentSince Sep 1, 2021 Accepting new patients
Vituity - Illinois Auc LLP CurrentSince Sep 1, 2021 Accepting new patients
Cep America - California Past Accepting new patients

Locations

2100 Powell St
Ste 400
Emeryville, CA 94608
Phone (510) 350-2638

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

1227 E Rusholme St
Davenport, IA 52803
Phone (563) 324-8160

801 W Temple Ave
Effingham, IL 62401
Phone (217) 342-5800

1 Saint Elizabeth Blvd
O Fallon, IL 62269
Phone 618234212012438

4500 Memorial Dr
Swansea, IL 62226
Phone (618) 233-7750

1015 Bowles Ave
Fenton, MO 63026
Phone (636) 496-2000

300 1st Capitol Dr
Saint Charles, MO 63301
Phone (636) 669-2211

10010 Kennerly Rd
Saint Louis, MO 63128
Phone (314) 525-1328

Interoperability endpoints

  • Direct secure messaging: nbest243273@direct-ehr-ssmhc.com

Organizations & group practices 12

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": "1539734400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1725926400000",
    "number": "1467928408",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 1ST CAPITOL DR",
            "city": "SAINT CHARLES",
            "state": "MO",
            "postal_code": "633012844"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 1ST CAPITOL DR",
            "city": "SAINT CHARLES",
            "state": "MO",
            "postal_code": "633012844",
            "telephone_number": "636-947-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BEST",
        "first_name": "NATHANIEL",
        "middle_name": "WELSH",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-10-17",
        "last_updated": "2024-09-10",
        "certification_date": "2024-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IL",
            "license": "085.006912",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IA",
            "license": "126823",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MO",
            "license": "2020030531",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "PROTESTANT MEMORIAL MEDICAL CENTER, INC.",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "4500 Memorial Dr",
            "city": "Belleville",
            "state": "IL",
            "country_code": "US",
            "postal_code": "622265399",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Saint Charles, MO

Sources for this page

Verify at the official NPI Registry.