Greylock Dialysis LLC

Primary specialty

End-Stage Renal Disease (ESRD) Treatment Clinic/CenterTaxonomy code 261QE0700X

Legal business name

GREYLOCK DIALYSIS LLC

Practice address

11321 Fallbrook Dr
Houston, TX 77065-4232

Phone

(281) 890-5468

Fax

(281) 807-3715

NPI assigned

Feb 25, 2019

Organization subpart

No

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

Authorized official

Name

Samuel T Wey

Title

VP, Licensure & Certification

Phone

(615) 341-6641

Specialties & licenses 1

Addresses

Other identifiers 1

Other names 1

• Fallbrook Dialysis Doing business as

Medicare fee-for-service enrollment

Enrolled in TX

Enrollment records 1

Listed as

DaVita Fallbrook DialysisCCN 742552

Overall star rating

3.0 of 5

Ownership

Profit

Certified

Sep 10, 2019

Medicare certification status

ActiveFrom the Provider of Services file

Chain

DaVita

Dialysis stations

16

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Member of 1

Organizations this organization is a member of, according to the National Provider Directory.

• Renal Treatment Centers-Southeast, LP.

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Donna, TX
  • NPI 1902353543

  Member Of

  NPD member

Affiliated clinicians 4

Clinicians who list this facility as an affiliation in Medicare Care Compare.

• Sayed Shayan Ahmed, M.D

  • Nephrology Physician
  • Cypress, TX
  • NPI 1194160739

  Dialysis facility

  Care Compare affiliation Name & address match
• Sheetal Patel Golla, M.D.

  • Nephrology Physician
  • Houston, TX
  • NPI 1235149600

  Dialysis facility

  Care Compare affiliation Name & address match
• Devaraj Munikrishnappa, M.D.

  • Nephrology Physician
  • Houston, TX
  • NPI 1467537167

  Dialysis facility

  Care Compare affiliation Name & address match
• Shashank S Singh, MD

  • Nephrology Physician
  • San Antonio, TX
  • NPI 1396165619

  Dialysis facility

  Care Compare affiliation Name & address match

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

{
    "created_epoch": "1551052800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1774828800000",
    "number": "1073070249",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5200 VIRGINIA WAY",
            "address_2": "L&C DEPT",
            "city": "BRENTWOOD",
            "state": "TN",
            "postal_code": "370277569"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11321 FALLBROOK DR",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770654232",
            "telephone_number": "281-890-5468",
            "fax_number": "281-807-3715"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GREYLOCK DIALYSIS LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2019-02-25",
        "last_updated": "2026-03-30",
        "certification_date": "2026-03-30",
        "status": "A",
        "authorized_official_last_name": "WEY",
        "authorized_official_first_name": "SAMUEL",
        "authorized_official_middle_name": "T",
        "authorized_official_title_or_position": "VP, LICENSURE & CERTIFICATION",
        "authorized_official_telephone_number": "615-341-6641"
    },
    "taxonomies": [
        {
            "code": "261QE0700X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, End-Stage Renal Disease (ESRD) Treatment",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0942849-01",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Fallbrook Dialysis",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Fallbrook Dialysis",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Ranjit Singh Grewal, M.D.
• Sharnjit Grewal
• Anneliese Grewing
• Olivia Grey
• Greyfox Management, LLC
• Greyson'S Hat P.C.
• Greystone Medical Services
• Tanya Grice, MS, CCC-SLP
• Mundir Gridda, DNP, CRNA
• Anastasia Grieb

• End-Stage Renal Disease (ESRD) Treatment Clinic/Center in Houston, TX
• Providers in Houston, TX by specialty
• End-Stage Renal Disease (ESRD) Treatment Clinic/Center in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.