NPIMap

Individual provider Active NPI

Razvan T Dadu, M.D.

  • Interventional Cardiology Physician
  • Houston, TX
National Provider Identifier
1427201375
Registry record updated Sep 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Interventional Cardiology PhysicianTaxonomy code 207RI0011X
License
P2221 Issued in TX
Practice address
925 Gessner Rd Ste 630
Houston, TX 77024-2553
Phone
(713) 465-3535
NPI assigned
Oct 23, 2008
Last updated
Sep 8, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 8, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X P2221 TX
Cardiovascular Disease Physician 207RC0000X P2221 TX
Interventional Cardiology Physician 207RI0011X P2221 TX Primary

Addresses

Primary practice location

925 Gessner Rd Ste 630
Houston, TX 77024-2553

Mailing address

930 Frostwood Dr Ste 2.200
Houston, TX 77024-2450
Phone (713) 338-4523

Other practice location 1

6550 Fannin St Ste 1901
Houston, TX 77030
Phone (713) 441-1100

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
I20120802000637 TX Practitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal Medicine 2567618747 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)Also: Internal Medicine
Education
Other, 2006
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Memorial Hermann Medical GroupGroup PAC ID 7012008360, 760 clinicians

Practice addresses (Care Compare)

1140 Business Ctr Dr
Suite 500
Houston, TX 77043-2744
Phone (713) 465-3535

16100 S Fwy
Pearland, TX 77584-1895
Phone (713) 413-6941

16100 S Fwy N3 172
Pearland, TX 77584-1895
Phone (713) 413-5738

3203 Broadway St
Pearland, TX 77581-1414
Phone (281) 485-8876

915 Gessner Rd
Suite 100
Houston, TX 77024-2537
Phone (713) 242-2222

921 Gessner Rd
Houston, TX 77024-2501

925 Gessner Rd
Suite 400
Houston, TX 77024-2547
Phone (713) 467-0605

925 Gessner Rd
Suite 630
Houston, TX 77024-2553
Phone (713) 465-3535

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Coronary angioplasty and stenting76
Leg revascularization (restoring blood flow)1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
P2221TXMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Memorial Hermann Medical Group Internal Medicine CurrentSince Feb 23, 2020 Accepting new patients
Baylor College of Medicine CurrentSince Jun 1, 2012 Accepting new patients
Baylor College of Medicine Internal Medicine CurrentSince Jun 1, 2012 Accepting new patients
Houston Cardiac Clinic P.a. Cardiovascular Disease CurrentSince Oct 1, 2018 Accepting new patients

Locations

1505 E Winding Way Dr
Ste 200
Friendswood, TX 77546
Phone (713) 366-7800

1504 Taub Loop
Houston, TX 77030
Phone (713) 873-2860

1801 North Loop W
Ste 30
Houston, TX 77008
Phone (713) 802-9781

6550 Fannin St
Ste 1901
Houston, TX 77030
Phone (713) 441-1771

909 Frostwood Dr
Ste 1100
Houston, TX 77024
Phone (713) 338-4523

915 Gessner Rd
Ste 100
Houston, TX 77024
Phone (713) 242-2222

925 Gessner Rd
Ste 525
Houston, TX 77024
Phone (713) 827-7680

925 Gessner Rd
Ste 630
Houston, TX 77024
Phone (713) 465-3535

930 Frostwood Dr
Ste 2200
Houston, TX 77024

3203 Broadway St
Pearland, TX 77581
Phone (281) 485-8876

Interoperability endpoints

  • Direct secure messaging: rdadu65575@memorialhermann.direct-ci.com

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 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": "1224720000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788825600000",
    "number": "1427201375",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "930 FROSTWOOD DR STE 2.200",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770242450",
            "telephone_number": "713-338-4523",
            "fax_number": "713-338-6500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "925 GESSNER RD STE 630",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770242553",
            "telephone_number": "713-465-3535"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6550 Fannin St Ste 1901",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "77030",
            "country_code": "US",
            "telephone_number": "713-441-1100",
            "fax_number": "713-790-2643",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DADU",
        "first_name": "RAZVAN",
        "middle_name": "T",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-10-23",
        "last_updated": "2026-09-08",
        "certification_date": "2026-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "P2221",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "TX",
            "license": "P2221",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "TX",
            "license": "P2221",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.