Hannah Han Guan, MD

Primary specialty

Urology PhysicianTaxonomy code 208800000X

License

D0104014 Issued in MD

Practice address

22 S Greene St
Baltimore, MD 21201-1544

Phone

(667) 214-1718

Fax

(410) 328-5147

NPI assigned

Mar 25, 2019

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in DC, MD2 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 2

Specialty

UrologyAlso: General Surgery

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University of Maryland Surgical Associates PAGroup PAC ID 1658262472, 98 clinicians

Maryland General Clinical Practice Group, Inc.Group PAC ID 8123926649, 61 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of Maryland Medical Center Hospital, Baltimore, MD, CCN 210002
• University of MD Medical Center Midtown Campus Hospital, Baltimore, MD, CCN 210038

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: hguan294608@direct.tgh.org
• FHIR API: https://epicproxy.et0761.epichosted.com/FHIRProxy/api/FHIR/R4/

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.

• Maryland General Clinical Practice Group, Inc.

  • Multi-Specialty Clinic/Center
  • Baltimore, MD
  • NPI 1770684805
  Medicare reassignment Care Compare group NPD
• University of Maryland Surgical Associates, PA

  • Specialist
  • Baltimore, MD
  • NPI 1962417634

  DC

  Medicare reassignment Care Compare group NPD
• Maryland General Clinical Practice Group, Inc.

  • Psychiatry Physician
  • Baltimore, MD
  • NPI 1689413197
  NPD
• Tampa General Hospital

  • General Acute Care Hospital
  • Tampa, FL
  • NPI 1124558929
  NPD
• University Medical Service Association Inc

  • Physical Therapist
  • Tampa, FL
  • NPI 1992742324
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Maryland General Hospital Inc

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1669565180
  Care Compare affiliation
• University of Maryland Medical Center, LLC

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1174660120
  Care Compare affiliation

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

{
    "created_epoch": "1553472000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748908800000",
    "number": "1063973907",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 64226",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212644226",
            "telephone_number": "667-214-1734",
            "fax_number": "410-706-6976"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 S GREENE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011544",
            "telephone_number": "667-214-1718",
            "fax_number": "410-328-5147"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2 Tampa General Cir",
            "address_purpose": "LOCATION",
            "city": "Tampa",
            "state": "FL",
            "postal_code": "336063571",
            "country_code": "US",
            "telephone_number": "813-821-8038",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUAN",
        "first_name": "HANNAH",
        "middle_name": "HAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-25",
        "last_updated": "2025-06-03",
        "certification_date": "2025-06-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "FL",
            "license": "ME168277",
            "primary": false
        },
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "MD",
            "license": "D0104014",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "hguan294608@direct.tgh.org",
            "affiliation": "N",
            "address_1": "2 Tampa General Cir",
            "city": "Tampa",
            "state": "FL",
            "country_code": "US",
            "postal_code": "336063571",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• GSNH Operator LLC
• Qinyi Gu, RD
• Xuanni Gu, DNAP, CRNA
• Zhuoying Gu
• Carolyn Guan
• Yue Guan, C.G.C
• Ray-an Guanzon, PT
• Angela Guarda, M.D.
• Jocelyn Guardado
• Griffin Guardala, PHARMD.

• Urology Physician in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Urology Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 3, 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.