Mark Gerard Macgregor, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

H2552 Issued in TX

Practice address

1010 S Ponds Dr
Webster, TX 77598-1409

Phone

(713) 442-4500

NPI assigned

Oct 6, 2006

Last updated

Jun 11, 2021By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 3

Electronic endpoints 2

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mark.macgregor.1@19643.direct.athenahealth.com
• Direct secure messaging: mmacgregor2837@direct.kelsey-seybold.com

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.

• Kelsey-Seybold Medical Group, PLLC

  dba Kelsey Seybold Clinic

  • Multi-Specialty Clinic/Center
  • Houston, TX
  • NPI 1013915255

  Internal Medicine

  Medicare reassignment NPD
• Village Chiropractic and Wellness P.L.L.C.

  dba Cornerstone Chiropractic

  • Chiropractor
  • League City, TX
  • NPI 1972750719
  NPD (past)

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

{
    "created_epoch": "1160092800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1623369600000",
    "number": "1205923851",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11511 SHADOW CREEK PKWY",
            "city": "PEARLAND",
            "state": "TX",
            "postal_code": "775847298",
            "telephone_number": "713-442-0000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1010 S PONDS DR",
            "city": "WEBSTER",
            "state": "TX",
            "postal_code": "775981409",
            "telephone_number": "713-442-4500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MACGREGOR",
        "first_name": "MARK",
        "middle_name": "GERARD",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-06",
        "last_updated": "2021-06-11",
        "certification_date": "2021-06-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "H2552",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "104746607",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "104746605",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "104746606",
            "state": "TX"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mmacgregor2837@direct.kelsey-seybold.com",
            "affiliation": "N",
            "endpointDescription": "digital contact information",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "1010 S Ponds Dr",
            "city": "Webster",
            "state": "TX",
            "country_code": "US",
            "postal_code": "775981409",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://ssrx.ksnet.com/FhirProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "FHIR endpoint URL",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "1010 S Ponds Dr",
            "city": "Webster",
            "state": "TX",
            "country_code": "US",
            "postal_code": "775981409",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Nguyen T Luu, M.D.
• Luxottica Retail North America Inc (Target Optical #C4345)
• Luxury Dialycare PLLC (Luxury Dialysis)
• Lymphedema & Wound Care Consultants of America, Inc.
• Lymphedema Products & Services, Inc.
• Sean D Macgregor, RBT
• Emily Elizabeth Machann, AGPCNP-C
• Laurel Jill Machen, LCSW
• Safi Butros Madain, DO
• Christi Leann Madsen, AUD

• Internal Medicine Physician in Webster, TX
• Providers in Webster, TX by specialty
• Internal Medicine Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 11, 2021; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.