Individual provider Active NPI

Mary M Hammel, FNP

  • Family Nurse Practitioner
  • Fenton, MO
National Provider Identifier
1598067779
Registry record updated Apr 14, 2015
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
2010035829 Issued in MO
Practice address
1203 Smizer Mill Rd
Suite 105
Fenton, MO 63026-3483
Phone
(636) 717-1350
Fax
(636) 717-1355
NPI assigned
Nov 22, 2010
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 14, 2015

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 2010035829 MO Primary

Addresses

Primary practice location

1203 Smizer Mill Rd
Suite 105
Fenton, MO 63026-3483

Mailing address

1203 Smizer Mill Rd
Suite 105
Fenton, MO 63026-3483
Phone (636) 717-1350

Other identifiers 2

IdentifierTypeStateIssuer
P01276098OtherMORAILROAD MEDICARE
1598067779MedicaidMO

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20110223000316 MO Practitioner - Nurse Practitioner 2668653783 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mercy Clinic East CommunitiesGroup PAC ID 7214827922, shared by 6 NPIs, 573 clinicians

Practice addresses (Care Compare)

1203 Smizer Mill Rd
Fenton, MO 63026-3483

621 S New Ballas Rd
Suite 189a
Saint Louis, MO 63141-8255
Phone (314) 251-6335

621 S New Ballas Rd
Suite 4017B
Saint Louis, MO 63141-8269
Phone (314) 872-9192

851 E 5TH St
Washington, MO 63090-3130

901 Patients 1St Dr
Washington, MO 63090-4700

Hospital & facility affiliations

  • Mercy Hospital Washington Hospital, Washington, MO, CCN 260052

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Mercy Clinic East Communities Family CurrentSince Jan 1, 2011 Accepting new patients
Mercy Hospital Lincoln CurrentSince Jun 8, 2025 Accepting new patients
Mercy Clinic East Communities CurrentSince Jan 1, 2011 Accepting new patients
Mercy Hospital Lincoln CurrentSince Jun 8, 2025 Accepting new patients
Mercy Clinic Heart and Vascular, LLC Past Accepting new patients

Locations

1203 Smizer Mill Rd
Ste 105
Fenton, MO 63026
Phone (636) 717-1350

2680 Gravois Rd
High Ridge, MO 63049
Phone (314) 842-0602

621 S New Ballas Rd
Ste 189A
Saint Louis, MO 63141
Phone (314) 251-6335

621 S New Ballas Rd
Ste 4017B
Saint Louis, MO 63141
Phone (314) 872-9192

1165 E Cherry St
Troy, MO 63379
Phone (636) 528-1919

900 E Cherry St
Troy, MO 63379
Phone (636) 528-8585

851 E 5th St
Ste 328
Washington, MO 63090
Phone (636) 239-1101

Interoperability endpoints

  • Direct secure messaging: mhammel195475@directc.mercy.net

Organizations & group practices 5

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": "1290384000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1428969600000",
    "number": "1598067779",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1203 SMIZER MILL RD",
            "address_2": "SUITE 105",
            "city": "FENTON",
            "state": "MO",
            "postal_code": "630263483",
            "telephone_number": "636-717-1350",
            "fax_number": "636-717-1355"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1203 SMIZER MILL RD",
            "address_2": "SUITE 105",
            "city": "FENTON",
            "state": "MO",
            "postal_code": "630263483",
            "telephone_number": "636-717-1350",
            "fax_number": "636-717-1355"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAMMEL",
        "first_name": "MARY",
        "middle_name": "M",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-11-22",
        "last_updated": "2015-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MO",
            "license": "2010035829",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P01276098",
            "state": "MO"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1598067779",
            "state": "MO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Fenton, MO

Sources for this page

Verify at the official NPI Registry.