Individual provider Active NPI

Margaret Suzanne Fowler, PHD

  • Sleep Medicine (Psychiatry & Neurology) Physician
  • Tularosa, NM
National Provider Identifier
1386764728
Registry record updated Mar 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sleep Medicine (Psychiatry & Neurology) PhysicianTaxonomy code 2084S0012X
License
1175 Issued in NM
Practice address
47 Shinkle Rd
Tularosa, NM 88352-9522
Phone
(575) 491-3711
NPI assigned
Mar 30, 2007
Last updated
Mar 6, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 6, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Psychologist 103TC0700X 1175 NM
Sleep Specialist (PhD) 173F00000X 1175 NM
Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X 1175 NM Primary

Addresses

Primary practice location

47 Shinkle Rd
Tularosa, NM 88352-9522

Mailing address

869 16-Springs Canyon Road
Cloudcroft, NM 88317
Phone (575) 491-3711

Other identifiers 1

IdentifierTypeStateIssuer
24132268MedicaidNM

Other names 1

  • Margaret Suzanne Ruyak Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NM
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20111026000172 NM Practitioner - Clinical Psychologist 2264605922 Reassigns benefits to 2 organizations
Practice locations: Alamogordo, NM

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine, Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
1175NMMDPain Clinic/Center

Practice roles

OrganizationSpecialtyStatusNew patients
Otero County Hospital Association CurrentSince Dec 14, 2011 Accepting new patients
Sleep Lab of Las Cruces LLC CurrentSince May 22, 2019 Accepting new patients
Otero County Hospital Association CurrentSince Dec 14, 2011 Accepting new patients

Locations

2669 Scenic Dr
Alamogordo, NM 88310
Phone (505) 439-6100

2437 S Telshor Blvd
Las Cruces, NM 88011
Phone (505) 522-2777

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1175212800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772755200000",
    "number": "1386764728",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "869 16-SPRINGS CANYON ROAD",
            "city": "CLOUDCROFT",
            "state": "NM",
            "postal_code": "88317",
            "telephone_number": "575-491-3711"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "47 SHINKLE RD",
            "city": "TULAROSA",
            "state": "NM",
            "postal_code": "883529522",
            "telephone_number": "575-491-3711"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FOWLER",
        "first_name": "MARGARET",
        "middle_name": "SUZANNE",
        "credential": "PHD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-03-30",
        "last_updated": "2026-03-06",
        "certification_date": "2026-03-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "NM",
            "license": "1175",
            "primary": false
        },
        {
            "code": "173F00000X",
            "taxonomy_group": "",
            "desc": "Sleep Specialist, PhD",
            "state": "NM",
            "license": "1175",
            "primary": false
        },
        {
            "code": "2084S0012X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Sleep Medicine",
            "state": "NM",
            "license": "1175",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "24132268",
            "state": "NM"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARGARET",
            "last_name": "RUYAK",
            "middle_name": "SUZANNE",
            "credential": "MS",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Tularosa, NM

Sources for this page

Verify at the official NPI Registry.