Merry Zhechao Ruan

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

V1603 Issued in TX

Practice address

2855 Gramercy St
Houston, TX 77025-1756

Phone

(713) 668-6828

NPI assigned

Mar 20, 2019

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

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

Ophthalmology

Education

Columbia University College of Physicians and Surgeons, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Hea Clinic PAGroup PAC ID 1254227440, 40 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

87.93 of 100Reported as group

Quality

78.79

Promoting interoperability

100

Improvement activities

40

Cost

71.44

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mruan124403@direct.med.miami.edu

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.

• Hea Clinic PA

  • Ophthalmology Physician
  • Houston, TX
  • NPI 1467420240
  Medicare reassignment Care Compare group NPD
• Hea Clinic, PA

  • Ophthalmology Physician
  • League City, TX
  • NPI 1790022119
  NPD
• University of Miami

  • Hepatology Physician
  • Miami, FL
  • NPI 1013967827
  NPD

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

{
    "created_epoch": "1553040000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1738281600000",
    "number": "1770043473",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2855 GRAMERCY ST STE 400",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770251756",
            "telephone_number": "713-668-6828"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2855 GRAMERCY ST",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770251756",
            "telephone_number": "713-668-6828"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RUAN",
        "first_name": "MERRY",
        "middle_name": "ZHECHAO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-20",
        "last_updated": "2025-01-31",
        "certification_date": "2025-01-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "TX",
            "license": "V1603",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "merryruan@houstoneye.direct.eyemdemr.com",
            "affiliation": "N",
            "endpointDescription": "direct message address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "2855 Gramercy St",
            "city": "Houston",
            "state": "TX",
            "country_code": "US",
            "postal_code": "770251756",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• RST Universal, Inc
• Rtruong, Dchu, DDS & Associates, P.a.
• Ruan Medical Group
• Cheng-Huai Ruan, M.D.
• Ke-He Ruan, ACUPUNCTURIST
• Qingmin Ruan, M.D.
• Wenly Ruan
• Megan Katherine Ruaya, NP-C
• Rubab Lakhva PLLC
• Alexis Rubalcava

• Ophthalmology Physician in Houston, TX
• Providers in Houston, TX by specialty
• Ophthalmology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 31, 2025; 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.