Individual provider Active NPI

Zhuoying Gu

  • Ophthalmology Physician
  • Baltimore, MD
National Provider Identifier
1992275937
Registry record updated Sep 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
1022461 Issued in MA
Practice address
600 N Wolfe St
Baltimore, MD 21287-0005
Phone
(410) 955-5000
NPI assigned
Dec 3, 2018
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 10, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X 1022461 MA Primary

Addresses

Primary practice location

600 N Wolfe St
Baltimore, MD 21287-0005

Mailing address

733 N Broadway Ste 147
Baltimore, MD 21205-1832
Phone (410) 944-3080

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
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
I20250521002166 MA Practitioner - Ophthalmology 7214456466 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
Johns Hopkins University School of Medicine, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Cambridge Public Health CommissionGroup PAC ID 8921910894, 654 clinicians

Practice addresses (Care Compare)

195 Canal St
Malden, MA 02148-6701
Phone (781) 338-0500

Hospital & facility affiliations

  • Cambridge Health Alliance Hospital, Cambridge, MA, CCN 220011

Procedures performed for Medicare patients

ProcedureNumber of procedures
Cataract surgery1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1022461MAMDOphthalmology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Cambridge Public Health Commission CurrentSince Nov 3, 2025 Accepting new patients
Massachusetts Eye and Ear Associates, Inc. Ophthalmology CurrentSince Jul 7, 2025 Accepting new patients
Cambridge Public Health Commission CurrentSince Nov 3, 2025 Accepting new patients

Locations

243 Charles St
Boston, MA 02114
Phone (617) 523-7900

103 Garland St
Everett, MA 02149
Phone (617) 381-7150

195 Canal St
Malden, MA 02148
Phone (781) 338-0055

300 Crown Colony Dr
Ste 201
Quincy, MA 02169
Phone (617) 573-3135

236 Highland Ave
Somerville, MA 02143
Phone (617) 591-4440

Interoperability endpoints

  • Direct secure messaging: zgu124990@direct.challiance.masshiway.net

Organizations & group practices 3

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.

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": "1543795200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757462400000",
    "number": "1992275937",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "733 N BROADWAY STE 147",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212051832",
            "telephone_number": "410-944-3080"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 N WOLFE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870005",
            "telephone_number": "410-955-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GU",
        "first_name": "ZHUOYING",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2018-12-03",
        "last_updated": "2025-09-10",
        "certification_date": "2025-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "MA",
            "license": "1022461",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.