Individual provider Active NPI

Tin Yan Alvin Liu, MD

  • Ophthalmology Physician
  • Baltimore, MD
National Provider Identifier
1831455153
Registry record updated Nov 4, 2017
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
D81403 Issued in MD
Practice address
600 N Wolfe St RM 205
Baltimore, MD 21287-0005
Phone
(410) 955-3518
Fax
(410) 955-0869
NPI assigned
Apr 11, 2012
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 4, 2017

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 D81403 MD Primary

Addresses

Primary practice location

600 N Wolfe St RM 205
Baltimore, MD 21287-0005

Mailing address

9910 Franklin Square Dr Ste 2110
Baltimore, MD 21236-4902
Phone (410) 933-6423

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC, VI3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20160630001821 MD Practitioner - Ophthalmology 5799913364 Reassigns benefits to 1 organization
I20171128003846 DC Practitioner - Ophthalmology 5799913364 Reassigns benefits to 1 organization
I20250314000024 VI Practitioner - Ophthalmology 5799913364 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
Columbia University College of Physicians and Surgeons, 2012
Medicare assignment
May accept Medicare assignment
Group practices
Johns Hopkins UniversityGroup PAC ID 8921903147, 2,886 clinicians
Johns Hopkins UniversityGroup PAC ID 1052223229, 196 clinicians

Practice addresses (Care Compare)

10751 Falls Rd
Lutherville, MD 21093-4517
Phone (410) 955-3663

1800 Orleans St
Baltimore, MD 21287-0010
Phone (410) 955-5000

600 N Wolf St
Baltimore, MD 21287-0005
Phone (410) 955-5000

600 N Wolfe St
Blalock 266
Baltimore, MD 21287-0005
Phone (410) 502-4340

601 N Caroline St
Baltimore, MD 21287-0006
Phone (410) 955-5080

6201 Greenleigh Ave
Middle River, MD 21220-2004

Hospital & facility affiliations

  • Johns Hopkins Hospital, the Hospital, Baltimore, MD, CCN 210009

Merit-based Incentive Payment System (MIPS)

Final score
83.31 of 100Reported as group
Quality
73.89
Promoting interoperability
100
Improvement activities
40
Cost
70.47

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D81403MDMDOphthalmology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Johns Hopkins University Ophthalmology CurrentSince Jul 1, 2016 Accepting new patients
Virgin Islands Diabetes Center of Excellence Inc CurrentSince Feb 13, 2025 Accepting new patients
Johns Hopkins University CurrentSince Oct 7, 2017 Accepting new patients
Johns Hopkins University Ophthalmology CurrentSince Jul 1, 2016 Accepting new patients
Johns Hopkins University Current Accepting new patients

Locations

600 N Wolfe St
Rm 205
Baltimore, MD 21287
Phone (410) 955-3518

8600 Old Georgetown Rd
Bethesda, MD 20814
Phone (301) 896-2578

10751 Falls Rd
Timonium, MD 21093
Phone (410) 583-2727

4100 Sion Farm Shopp Ctr
Ste 1
Christiansted, VI 00820
Phone (340) 718-3263

Interoperability endpoints

  • Direct secure messaging: tliu61187@direct.hopkinsmedicine.org

Organizations & group practices 5

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 1

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": "1334102400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1509753600000",
    "number": "1831455153",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9910 FRANKLIN SQUARE DR STE 2110",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212364902",
            "telephone_number": "410-933-6423",
            "fax_number": "410-933-1390"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 N WOLFE ST RM 205",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870005",
            "telephone_number": "410-955-3518",
            "fax_number": "410-955-0869"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LIU",
        "first_name": "TIN YAN",
        "middle_name": "ALVIN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-04-11",
        "last_updated": "2017-11-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "MD",
            "license": "D81403",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.