NPIMap

Individual provider Active NPI

Mary Lim, DO

  • Clinical Cardiac Electrophysiology Physician
  • Humble, TX
National Provider Identifier
1750637344
Registry record updated Oct 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Cardiac Electrophysiology PhysicianTaxonomy code 207RC0001X
License
P8595 Issued in TX
Practice address
18450 Highway 59 N
Humble, TX 77338-4404
Phone
(281) 446-3665
Fax
(281) 446-6657
NPI assigned
Aug 1, 2012
Last updated
Oct 8, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 8, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X P8595 TX
Clinical Cardiac Electrophysiology Physician 207RC0001X P8595 TX Primary

Addresses

Primary practice location

18450 Highway 59 N
Humble, TX 77338-4404

Mailing address

18450 Highway 59 N
Humble, TX 77338-4404
Phone (281) 446-6656

Other practice location 1

10907 Memorial Hermann Dr Ste 400
Pearland, TX 77584-4115
Phone (281) 740-0280

Other practice location 2

10930 Resource Pkwy Ste A
Houston, TX 77089-6157
Phone (281) 661-5767

Other names 1

  • Mary Lim-Fung Other name

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20190924001286 TX Practitioner - Cardiac ElectrophysiologyPractitioner - Cardiovascular Disease (Cardiology) 8729318464 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiac ElectrophysiologyAlso: Cardiovascular Disease (Cardiology)
Education
Other, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

18450 Hwy 59 N
Humble, TX 77338-4404
Phone (281) 446-6656

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Pacemaker insertion or repair69

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
P8595TXMDClinical Cardiac Electrophysiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ut Physicians CurrentSince Aug 14, 2019 Accepting new patients
Deerbrook Cath Lab LLC CurrentSince Nov 7, 2023 Accepting new patients
Ut Physicians CurrentSince Aug 14, 2019 Accepting new patients
Cardiovascular Association, P.L.L.C Cardiovascular Disease CurrentSince Oct 20, 2023 Accepting new patients

Locations

10930 Resource Pkwy
Ste A
Houston, TX 77089
Phone (281) 661-5767

6410 Fannin St
Ste 500
Houston, TX 77030
Phone (713) 500-5714

18450 Highway 59 N
Humble, TX 77338
Phone (281) 446-3665

18450 Highway 59 N
Ste 101
Humble, TX 77338
Phone 5123086342506

10907 Memorial Hermann Dr
Ste 400
Pearland, TX 77584
Phone (281) 741-0280

16100 South Fwy
Pearland, TX 77584
Phone (713) 413-5000

2501 Jimmy Johnson Blvd
Ste 401
Port Arthur, TX 77640
Phone (409) 401-5864

8810 Highway 6
Ste 100
Sienna Plantation, TX 77459
Phone (713) 486-1200

Interoperability endpoints

  • Direct secure messaging: mlimfung13498@direct.uth.org

Organizations & group practices 4

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 11

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": "1343779200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791417600000",
    "number": "1750637344",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18450 HIGHWAY 59 N",
            "city": "HUMBLE",
            "state": "TX",
            "postal_code": "773384404",
            "telephone_number": "281-446-6656",
            "fax_number": "281-446-6657"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18450 HIGHWAY 59 N",
            "city": "HUMBLE",
            "state": "TX",
            "postal_code": "773384404",
            "telephone_number": "281-446-3665",
            "fax_number": "281-446-6657"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10907 Memorial Hermann Dr Ste 400",
            "address_purpose": "LOCATION",
            "city": "Pearland",
            "state": "TX",
            "postal_code": "775844115",
            "country_code": "US",
            "telephone_number": "281-740-0280",
            "fax_number": "832-486-9953",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "10930 Resource Pkwy Ste A",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770896157",
            "country_code": "US",
            "telephone_number": "281-661-5767",
            "fax_number": "281-676-3618",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LIM",
        "first_name": "MARY",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-08-01",
        "last_updated": "2026-10-08",
        "certification_date": "2026-10-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "TX",
            "license": "P8595",
            "primary": false
        },
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "TX",
            "license": "P8595",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARY",
            "last_name": "LIM-FUNG",
            "credential": "DO",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Humble, TX

Sources for this page

Verify at the official NPI Registry.