Individual provider Active NPI

Joanna Sawyer Mazer, PAC

  • Physician Assistant
  • Coatesville, PA
National Provider Identifier
1821276908
Registry record updated Sep 10, 2009
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
MA050871 Issued in PA
Practice address
201 Reeceville Rd
Coatesville, PA 19320-1542
Phone
(610) 383-8434
NPI assigned
Jan 31, 2008
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 10, 2009

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 MA050871 PA Primary

Addresses

Primary practice location

201 Reeceville Rd
Coatesville, PA 19320-1542

Mailing address

201 Reeceville Rd
Coatesville, PA 19320-1542
Phone (610) 383-8434

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20090921000521 PA Practitioner - Physician Assistant 1254487085 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Jefferson University PhysiciansGroup PAC ID 7911819180, 1,528 clinicians

Practice addresses (Care Compare)

111 S 11TH St
Philadelphia, PA 19107-4824

925 Chestnut St
Suite 3
Philadelphia, PA 19107-4216
Phone (215) 955-8874

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Methodist Associates in Healthcare, Inc CurrentSince Jul 28, 2025 Accepting new patients
Methodist Associates in Healthcare, Inc CurrentSince Jul 28, 2025 Accepting new patients
Jefferson University Physicians CurrentSince Jul 28, 2025 Accepting new patients
Methodist Associates in Healthcare, Inc Current Accepting new patients
Jefferson University Physicians Past Accepting new patients

Locations

2301 S Broad St
Philadelphia, PA 19148
Phone (215) 952-9000

111 S 11th St
Ste 6210
Philadelphia, PA 19107
Phone (215) 503-5151

925 Chestnut St
Fl 6
Philadelphia, PA 19107
Phone (215) 955-6760

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": "1201737600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1252540800000",
    "number": "1821276908",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "201 REECEVILLE RD",
            "city": "COATESVILLE",
            "state": "PA",
            "postal_code": "193201542",
            "telephone_number": "610-383-8434"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "201 REECEVILLE RD",
            "city": "COATESVILLE",
            "state": "PA",
            "postal_code": "193201542",
            "telephone_number": "610-383-8434"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAZER",
        "first_name": "JOANNA",
        "middle_name": "SAWYER",
        "name_prefix": "Ms.",
        "credential": "PAC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-01-31",
        "last_updated": "2009-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "PA",
            "license": "MA050871",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Coatesville, PA

Sources for this page

Verify at the official NPI Registry.