Retina First LLC

Primary specialty

Retina Specialist (Ophthalmology) PhysicianTaxonomy code 207WX0107X

Legal business name

RETINA FIRST LLC

Practice address

1502 S Main St Ste 305
Mount Airy, MD 21771-5374

Phone

(516) 922-9571

Fax

(516) 922-2288

NPI assigned

Feb 6, 2020

Last updated

Apr 6, 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

Ingrid Zimmer-Galler, MDNPI 1285662080

Title

Physician

Phone

(301) 703-8856

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MD

Enrollment records 1

Locations

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.

• Ingrid Zimmer-Galler, M.D.

  • Retina Specialist (Ophthalmology) Physician
  • Mount Airy, MD
  • NPI 1285662080
  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1580947200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1775433600000",
    "number": "1588296610",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1502 S MAIN ST STE 305",
            "city": "MOUNT AIRY",
            "state": "MD",
            "postal_code": "217715374",
            "telephone_number": "301-703-8856",
            "fax_number": "301-703-8857"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1502 S MAIN ST STE 305",
            "city": "MOUNT AIRY",
            "state": "MD",
            "postal_code": "217715374",
            "telephone_number": "516-922-9571",
            "fax_number": "516-922-2288"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "RETINA FIRST LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2020-02-06",
        "last_updated": "2026-04-06",
        "certification_date": "2026-04-06",
        "status": "A",
        "authorized_official_last_name": "ZIMMER-GALLER",
        "authorized_official_first_name": "INGRID",
        "authorized_official_title_or_position": "PHYSICIAN",
        "authorized_official_telephone_number": "301-703-8856",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207WX0107X",
            "taxonomy_group": "",
            "desc": "Ophthalmology, Retina Specialist",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sudhir R Rao, M.D.
• Real Gray LLC
• Aparna Reddy
• Timothy S Reineke, PHARMD
• Melanie C Rennie, O.D.
• Gwenn Paluay Reynolds, PTA
• Lucie J Riegel
• Lauren Robbins
• Robert Marriott Medical Corp
• Nezjuwa Robinson Rainey

• Retina Specialist (Ophthalmology) Physician in Mount Airy, MD
• Providers in Mount Airy, MD by specialty
• Retina Specialist (Ophthalmology) Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.