NPIMap

Individual provider Active NPI

Olivia Wang Galloway, MD

  • Surgery Physician
  • Phoenixville, PA
National Provider Identifier
1497217806
Registry record updated Sep 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
MD479370 Issued in PA
Practice address
826 Main St Ste 203
Phoenixville, PA 19460-4459
Phone
(610) 983-1980
NPI assigned
Apr 3, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 22, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X MD479370 PA Primary
Surgery Physician 208600000X 2023050639 MO

Addresses

Primary practice location

826 Main St Ste 203
Phoenixville, PA 19460-4459

Mailing address

PO Box 13579
Reading, PA 19612-3579
Phone (484) 628-1324

Other practice location 1

1 Barnes Jewish Hospital Plz
Div Surg Oncology
Saint Louis, MO 63110-1003
Phone (314) 362-2280

Other identifiers 1

IdentifierTypeStateIssuer
200135385MedicaidMO

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Washington University

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO, PA2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20240617003161 MO Practitioner - General Surgery 4486984556 Reassigns benefits to 1 organization
I20250807002703 PA Practitioner - General Surgery 4486984556 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Pottstown Clinic Company LLCGroup PAC ID 6406857184, 112 clinicians
Phoenixville Clinic Company LLCGroup PAC ID 5799796850, 135 clinicians

Practice addresses (Care Compare)

1597 Medical Dr
Pottstown, PA 19464-3224
Phone (610) 327-7770

826 Main St
Suite 203 Mob II
Phoenixville, PA 19460-4459
Phone (610) 983-1980

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
84.2 of 100Reported as group
Quality
71.6
Promoting interoperability
100
Improvement activities
40
Cost
75.75

Procedures performed for Medicare patients

ProcedureNumber of procedures
Mastectomy1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Phoenixville Clinic Company LLC Surgery CurrentSince Aug 22, 2025 Accepting new patients
Phoenixville Clinic Company LLC CurrentSince Aug 22, 2025 Accepting new patients
Washington University CurrentSince Aug 1, 2024 Accepting new patients
Washington University CurrentSince Aug 1, 2024 Accepting new patients
Pottstown Clinic Company LLC Surgery CurrentSince Sep 22, 2025 Accepting new patients

Locations

660 S Euclid Ave
#8109
Saint Louis, MO 63110
Phone (314) 362-7841

1 Barnes Jewish Hospital Plz
Saint Louis, MO 63110
Phone (314) 362-1700

4921 Parkview Pl
Saint Louis, MO 63110
Phone (314) 747-4850

826 Main St
Ste 203
Phoenixville, PA 19460
Phone (610) 983-1545

140 Nutt Rd
Phoenixville, PA 19460
Phone (610) 983-1000

826 Main St
Ste 301
Phoenixville, PA 19460
Phone (610) 422-5000

730 S Hanover St
Pottstown, PA 19465
Phone (610) 323-6835

1597 Medical Dr
#2
Pottstown, PA 19464
Phone (610) 327-7770

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 10

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": "1554249600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758499200000",
    "number": "1497217806",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 13579",
            "city": "READING",
            "state": "PA",
            "postal_code": "196123579",
            "telephone_number": "484-628-1324"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "826 MAIN ST STE 203",
            "city": "PHOENIXVILLE",
            "state": "PA",
            "postal_code": "194604459",
            "telephone_number": "610-983-1980"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Barnes Jewish Hospital Plz",
            "address_2": "Div Surg Oncology",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631101003",
            "country_code": "US",
            "telephone_number": "314-362-2280",
            "fax_number": "888-352-8360",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GALLOWAY",
        "first_name": "OLIVIA",
        "middle_name": "WANG",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-04-03",
        "last_updated": "2025-09-22",
        "certification_date": "2025-09-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "PA",
            "license": "MD479370",
            "primary": true
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MO",
            "license": "2023050639",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200135385",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "1 Barnes Jewish Hospital Plz",
            "address_2": "Div Surg Oncology",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101003",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Phoenixville, PA

Sources for this page

Verify at the official NPI Registry.