Gramercy Surgery Center, LTD

Primary specialty

Ambulatory Surgical Clinic/CenterTaxonomy code 261QA1903X

License

239 Issued in TX

Legal business name

GRAMERCY SURGERY CENTER, LTD

Doing business as

Gramercy Outpatient Surgery Center

Practice address

2727 Gramercy St
Houston, TX 77025-1633

Phone

(713) 660-6900

Fax

(713) 660-0704

NPI assigned

Apr 7, 2006

Last updated

Sep 9, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

David McKnight

Title

VP/Cfo

Phone

(972) 789-2816

Specialties & licenses 1

Addresses

Other identifiers 1

Other names 1

• Gramercy Outpatient Surgery Center Doing business as

Medicare fee-for-service enrollment

Enrolled in TX

Enrollment records 1

Listed as

Gramercy Surgery Center LTDCCN 45C0001061

Medicare certification status

ActiveFrom the Provider of Services file

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.

• Hea Clinic, PA

  dba Houston Eye Associates

  • Ophthalmology Physician
  • League City, TX
  • NPI 1790022119

  Member Of

  NPD member

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Jaafar El Annan, M.D.

  • Retina Specialist (Ophthalmology) Physician
  • Houston, TX
  • NPI 1457511818
  NPD (past)

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

{
    "created_epoch": "1144368000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1788912000000",
    "number": "1225091630",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2727 GRAMERCY ST",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770251617",
            "telephone_number": "713-660-6900",
            "fax_number": "713-660-0704"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2727 GRAMERCY ST",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770251633",
            "telephone_number": "713-660-6900",
            "fax_number": "713-660-0704"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GRAMERCY SURGERY CENTER, LTD",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-04-07",
        "last_updated": "2026-09-09",
        "certification_date": "2026-09-09",
        "status": "A",
        "authorized_official_last_name": "MCKNIGHT",
        "authorized_official_first_name": "DAVID",
        "authorized_official_title_or_position": "VP/CFO",
        "authorized_official_telephone_number": "972-789-2816"
    },
    "taxonomies": [
        {
            "code": "261QA1903X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Ambulatory Surgical",
            "state": "TX",
            "license": "239",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "085887001",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Gramercy Outpatient Surgery Center",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Virginia Leigh Grainger, D.C.
• Diana Grair, MD
• Miguel Angel Grajeda Sr.
• Jacqueline Gramajo
• Maria Monica Gramatges, MD
• Pamela A Gramm, FNP
• Kristen Grammas
• Jaimie Grams
• Juan F Granada, MD
• Victoria Granado, LCSW

• Ambulatory Surgical Clinic/Center in Houston, TX
• Providers in Houston, TX by specialty
• Ambulatory Surgical Clinic/Center in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 9, 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.