Navneet K Grewal, MD

Primary specialty

Critical Care Medicine (Anesthesiology) PhysicianTaxonomy code 207LC0200X

License

Q5658 Issued in TX

Practice address

6565 Fannin St Ste B452
Houston, TX 77030-2703

Phone

(713) 441-3620

Fax

(713) 790-2082

NPI assigned

Dec 15, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 3

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

Specialty

Critical Care (Intensivists)

Education

Other, 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Physicians Referral ServiceGroup PAC ID 7911801410, 2,728 clinicians

Houston Methodist Specialty PhysiciansGroup PAC ID 5193239796, 1,498 clinicians

TMH Physician Associates PLLCGroup PAC ID 4486711744, 1,881 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Houston Methodist Hospital Hospital, Houston, TX, CCN 450358
• University of Texas M D Anderson Cancer Center Hospital, Houston, TX, CCN 450076

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ngrewal445214@directhoustonmethodist.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Houston Methodist Specialty Physicians

  • Otolaryngology Physician
  • Houston, TX
  • NPI 1902614332

  Critical Care Medicine

  Medicare reassignment Care Compare group NPD
• Physicians Referral Service

  • Multi-Specialty Clinic/Center
  • Houston, TX
  • NPI 1073574810
  Medicare reassignment Care Compare group NPD
• TMH Physician Associates PLLC

  • Ophthalmology Physician
  • Houston, TX
  • NPI 1275779225
  Medicare reassignment Care Compare group NPD
• TMH Physician Associates PLLC

  • Orthopaedic Surgery Physician
  • Spring, TX
  • NPI 1043061351
  NPD
• Methodist Radiology Associates, PLLC

  • Diagnostic Radiology Physician
  • Houston, TX
  • NPI 1427235704
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• The Methodist Hospital

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1548387418
  Care Compare affiliation
• University of Texas M. D. Anderson Cancer Center

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1174582050
  Care Compare affiliation

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

{
    "created_epoch": "1166140800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782259200000",
    "number": "1508928573",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6565 FANNIN ST STE B452",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770302703",
            "telephone_number": "713-441-3620",
            "fax_number": "713-790-2082"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6565 FANNIN ST STE B452",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770302703",
            "telephone_number": "713-441-3620",
            "fax_number": "713-790-2082"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREWAL",
        "first_name": "NAVNEET",
        "middle_name": "K",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-12-15",
        "last_updated": "2026-06-24",
        "certification_date": "2026-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "TX",
            "license": "Q5658",
            "primary": false
        },
        {
            "code": "207LC0200X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Critical Care Medicine",
            "state": "TX",
            "license": "Q5658",
            "primary": true
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "PA",
            "license": "MD430227",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "8FR610",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE",
            "identifier": "P01750992",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "351373103",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Kyle L Gress, MD
• Laurent Gressot, M.D.
• Loyola Gressot
• Gretchen M Zimmerman, MD, PA
• Jup Kaur Grewal, OD
• Ranjit Singh Grewal, M.D.
• Sharnjit Grewal
• Anneliese Grewing
• Olivia Grey
• Greyfox Management, LLC

• Critical Care Medicine (Anesthesiology) Physician in Houston, TX
• Providers in Houston, TX by specialty
• Critical Care Medicine (Anesthesiology) Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 24, 2026; 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.