NPIMap

Individual provider Active NPI

Fei Xiao, PA-C

  • Physician Assistant
  • Baltimore, MD
National Provider Identifier
1124341201
Registry record updated Dec 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
C0004097 Issued in MD
Practice address
301 Saint Paul St
Baltimore, MD 21202-2102
Phone
(410) 332-9752
NPI assigned
Mar 3, 2010
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 11, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X C0004097 MD Primary

Addresses

Primary practice location

301 Saint Paul St
Baltimore, MD 21202-2102

Mailing address

301 Saint Paul St
Baltimore, MD 21202-2102
Phone (410) 332-9752

Other practice location 1

4940 Eastern Ave
Baltimore, MD 21224-2735
Phone (410) 550-0100

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20110201000556 MD Practitioner - Physician Assistant 4789863168 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2009
Medicare assignment
May accept Medicare assignment
Telehealth
Offers telehealth services
Group practices
Johns Hopkins UniversityGroup PAC ID 8921903147, 2,886 clinicians
Johns Hopkins UniversityGroup PAC ID 4981745098, 711 clinicians

Practice addresses (Care Compare)

4940 Eastern Ave
Baltimore, MD 21224-2735
Phone (410) 550-0100

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

Hospital & facility affiliations

  • Johns Hopkins Bayview Medical Center Hospital, Baltimore, MD, CCN 210029
  • 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

Merit-based Incentive Payment System (MIPS)

Final score
87.09 of 100Reported as group
Quality
79.06
Promoting interoperability
100
Improvement activities
40
Cost
77.9

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
C0004097MDMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
St Paul Place Specialists, Inc. CurrentSince Nov 11, 2015 Accepting new patients
St Paul Place Specialists Inc CurrentSince Nov 11, 2015 Accepting new patients
Johns Hopkins University CurrentSince May 7, 2019 Accepting new patients
Sinai Hospital of Baltimore, Inc. CurrentSince Nov 11, 2010 Accepting new patients
Johns Hopkins University CurrentSince Apr 1, 2021 Accepting new patients
Johns Hopkins University CurrentSince Apr 1, 2021 Accepting new patients
Johns Hopkins University CurrentSince May 7, 2019 Accepting new patients
Sinai Hospital of Baltimore Inc CurrentSince Nov 11, 2010 Accepting new patients
University of Maryland St. Joseph Medical Group, LLC Past Accepting new patients

Locations

4940 Eastern Ave
Baltimore, MD 21224

301 Saint Paul St
Baltimore, MD 21202
Phone (410) 385-4930

600 N Wolfe St
Baltimore, MD 21287

2435 W Belvedere Ave
Ste 56
Baltimore, MD 21215
Phone (410) 578-8632

7602 Belair Rd
Nottingham, MD 21236
Phone (410) 332-9654

Interoperability endpoints

  • Direct secure messaging: fxiao517395@direct.hopkinsmedicine.org

Organizations & group practices 12

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 3

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": "1267574400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765411200000",
    "number": "1124341201",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "301 SAINT PAUL ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212022102",
            "telephone_number": "410-332-9752"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "301 SAINT PAUL ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212022102",
            "telephone_number": "410-332-9752"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4940 Eastern Ave",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212242735",
            "country_code": "US",
            "telephone_number": "410-550-0100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "XIAO",
        "first_name": "FEI",
        "name_prefix": "Ms.",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-03-03",
        "last_updated": "2025-12-11",
        "certification_date": "2025-12-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MD",
            "license": "C0004097",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.