Individual provider Active NPI

Saherish Mahfooz Abbasi, DO

  • Hospitalist Physician
  • Houston, TX
National Provider Identifier
1326601113
Registry record updated Sep 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
U9799 Issued in TX
Practice address
921 Gessner Rd
Houston, TX 77024-2501
Phone
(713) 242-3768
NPI assigned
Apr 17, 2019
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 4, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X U9799 TX Primary
Internal Medicine Physician 207R00000X U9799 TX
Student in an Organized Health Care Education/Training Program 390200000X
Hospitalist Physician 208M00000X 313765 NY

Addresses

Primary practice location

921 Gessner Rd
Houston, TX 77024-2501

Mailing address

930 Frostwood Dr Ste 2.200
Houston, TX 77024-2450
Phone (713) 338-5502

Other practice location 1

20201 Crawford Ave
Olympia Fields, IL 60461-1010
Phone (708) 747-4000

Other practice location 2

101 Nicolls Rd
Stony Brook, NY 11794-1010
Phone (630) 340-0045

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
I20240926003026 TX Practitioner - HospitalistPractitioner - Internal Medicine 2163759739 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
Midwestern University, Chicago College of Osteopathic Med, 2019
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)

27800 Northwest Fwy
Cypress, TX 77433-5302
Phone (346) 231-5887

27800 NW Fwy 4201
Cypress, TX 77433-5302
Phone (346) 231-4628

27800 NW Fwy M2 562
Cypress, TX 77433-5302
Phone (346) 231-4495

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

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
U9799TXMDInternal Medicine Physician
313765NYMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Memorial Hermann Medical Group Internal Medicine CurrentSince Oct 1, 2024 Accepting new patients
Stony Brook Internists, University Faculty Practice Corporation PastSince Nov 24, 2025 Accepting new patients

Locations

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

921 Gessner Rd
Houston, TX 77024
Phone (713) 242-3439

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

930 Frostwood Dr
Ste 2200
Houston, TX 77024

909 Frostwood Dr
Ste 1405
Houston, TX 77024
Phone (713) 338-5519

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

921 Gessner Rd
Ste 317
Houston, TX 77024
Phone (713) 242-3768

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

Organizations & group practices 2

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 2

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": "1555459200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788480000000",
    "number": "1326601113",
    "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": "713-338-5502"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "921 GESSNER RD",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770242501",
            "telephone_number": "713-242-3768"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "20201 Crawford Ave",
            "address_purpose": "LOCATION",
            "city": "Olympia Fields",
            "state": "IL",
            "postal_code": "604611010",
            "country_code": "US",
            "telephone_number": "708-747-4000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "101 Nicolls Rd",
            "address_purpose": "LOCATION",
            "city": "Stony Brook",
            "state": "NY",
            "postal_code": "117941010",
            "country_code": "US",
            "telephone_number": "630-340-0045",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ABBASI",
        "first_name": "SAHERISH",
        "middle_name": "MAHFOOZ",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2019-04-17",
        "last_updated": "2026-09-04",
        "certification_date": "2026-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "TX",
            "license": "U9799",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "U9799",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NY",
            "license": "313765",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.