Individual provider Active NPI

Marilyn Barbara Mayer, MD

  • Internal Medicine Physician
  • Cypress, TX
National Provider Identifier
1205818853
Registry record updated Jun 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
J2191 Issued in TX
Practice address
21216 Northwest Fwy
Suite 560
Cypress, TX 77429-4695
Phone
(832) 756-2976
Fax
(281) 469-4572
NPI assigned
Nov 18, 2005
Last updated
Jun 26, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 26, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X J2191 TX Primary

Addresses

Primary practice location

21216 Northwest Fwy
Suite 560
Cypress, TX 77429-4695

Mailing address

21216 Northwest Fwy
Suite 560
Cypress, TX 77429-4695
Phone (832) 756-2976

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20070320000136 TX Practitioner - Internal Medicine 1759484306 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of Texas Medical School at Houston, 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
North Cypress Medical Partners IncGroup PAC ID 3678889755, 5 clinicians

Practice addresses (Care Compare)

21216 Northwest Fwy
Suite 260
Cypress, TX 77429-4695
Phone (281) 949-5201

21216 Northwest Fwy
Suite 560
Cypress, TX 77429-4697
Phone (281) 469-3949

21216 Northwest Fwy
Suite 610
Cypress, TX 77429-4699

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
J2191TXMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
North Cypress Medical Partners, Inc Internal Medicine CurrentSince May 6, 2017 Accepting new patients

Locations

21216 Northwest Fwy
Ste 560
Cypress, TX 77429
Phone (281) 469-3949

21216 Northwest Fwy
Ste 670
Cypress, TX 77429
Phone (281) 807-6554

Organizations & group practices 1

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.

Hospital & facility affiliations 16

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

View all 16

NPI Registry JSON

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

{
    "created_epoch": "1132272000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750896000000",
    "number": "1205818853",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "21216 NORTHWEST FWY",
            "address_2": "SUITE 560",
            "city": "CYPRESS",
            "state": "TX",
            "postal_code": "774294695",
            "telephone_number": "832-756-2976",
            "fax_number": "281-469-4572"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "21216 NORTHWEST FWY",
            "address_2": "SUITE 560",
            "city": "CYPRESS",
            "state": "TX",
            "postal_code": "774294695",
            "telephone_number": "832-756-2976",
            "fax_number": "281-469-4572"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAYER",
        "first_name": "MARILYN",
        "middle_name": "BARBARA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-11-18",
        "last_updated": "2025-06-26",
        "certification_date": "2025-06-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "J2191",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Cypress, TX

Sources for this page

Verify at the official NPI Registry.