NPIMap

Individual provider Active NPI

Sharafali Y Diwan, M.D.

  • Infectious Disease Physician
  • Houston, TX
National Provider Identifier
1114927290
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Infectious Disease PhysicianTaxonomy code 207RI0200X
License
J6920 Issued in TX
Practice address
18220 Tomball Pkwy
Suite 230
Houston, TX 77070-4347
Phone
(832) 604-0005
Fax
(832) 604-0103
NPI assigned
Jul 29, 2005
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Infectious Disease Physician 207RI0200X J6920 TX Primary

Addresses

Primary practice location

18220 Tomball Pkwy
Suite 230
Houston, TX 77070-4347

Mailing address

18220 Tomball Pkwy
Suite 230
Houston, TX 77070-4347
Phone (832) 604-0005

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
I20110531000677 TX Practitioner - Infectious Disease 9133306186 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Infectious Disease
Education
Other, 1989
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

18220 State Hwy 249
Suite 230
Houston, TX 77070-4350
Phone (832) 604-0005

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
J6920TXMDInfectious Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sharaf Diwan, M.D., P.a. LLC Infectious Disease CurrentSince Sep 1, 2002 Accepting new patients

Locations

18220 Tomball Pkwy
Ste 230
Houston, TX 77070
Phone (281) 252-8600

Interoperability endpoints

  • Direct secure messaging: sdiwan26864@directhoustonmethodist.org
  • Direct secure messaging: hmhsdiwan@yourcarecommunity.org

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 7

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": "1122595200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1114927290",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18220 TOMBALL PKWY",
            "address_2": "SUITE 230",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770704347",
            "telephone_number": "832-604-0005",
            "fax_number": "832-604-0103"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18220 TOMBALL PKWY",
            "address_2": "SUITE 230",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770704347",
            "telephone_number": "832-604-0005",
            "fax_number": "832-604-0103"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIWAN",
        "first_name": "SHARAFALI",
        "middle_name": "Y",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-29",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "TX",
            "license": "J6920",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.