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Individual provider Active NPI

Michael Louis Mastria, MD

  • Anesthesiology Physician
  • Bethlehem, PA
National Provider Identifier
1659995496
Registry record updated Jan 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
MD489340 Issued in PA
Practice address
801 Ostrum St
Bethlehem, PA 18015-1000
Phone
(610) 954-5810
Fax
(610) 954-5480
NPI assigned
Jun 6, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 12, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pain Medicine (Anesthesiology) Physician 207LP2900X MD489340 PA
Anesthesiology Physician 207L00000X MD489340 PA Primary

Addresses

Primary practice location

801 Ostrum St
Bethlehem, PA 18015-1000

Mailing address

PO Box 500
Souderton, PA 18964-0500
Phone (610) 954-5810

Other identifiers 1

IdentifierTypeStateIssuer
MD489340OtherPALICENSE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
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
I20250514000246 PA Practitioner - Anesthesiology 1254859259 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Anesthesia Specialists of Bethlehem PCGroup PAC ID 1355254533, 283 clinicians
St Lukes Physician Group IncGroup PAC ID 6709798333, 2,161 clinicians

Practice addresses (Care Compare)

1736 Hamilton St
Allentown, PA 18104-5656
Phone 7067379250109

1872 St Lukes Blvd
Easton, PA 18045-5669
Phone (866) 785-8537

3000 St Lukes Dr
Quakertown, PA 18951-1696
Phone (484) 526-3950

501 Cetronia Rd
Allentown, PA 18104-9569
Phone 7067379250109

521 Cetronia Rd
Allentown, PA 18104-9569
Phone (610) 954-5810

801 Ostrm St
Bethlehem, PA 18015-1000

801 Ostrum St
Bethlehem, PA 18015-1065
Phone (610) 954-5810

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD489340PAMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
St. Luke'S Physician Group, Inc. Current Accepting new patients
St. Luke'S Physician Group, Inc. CurrentSince Jul 1, 2025 Accepting new patients
St Luke'S Physician Group Inc CurrentSince Jul 1, 2025 Accepting new patients
Anesthesia Specialists of Bethlehem, PC Anesthesiology CurrentSince Jul 1, 2025 Accepting new patients

Locations

801 Ostrum St
Fountain Hill, PA 18015
Phone (610) 954-2200

Interoperability endpoints

  • Direct secure messaging: mmastria349796@direct-sluhn.org

Organizations & group practices 4

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 9

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": "1591401600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768176000000",
    "number": "1659995496",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 500",
            "city": "SOUDERTON",
            "state": "PA",
            "postal_code": "189640500",
            "telephone_number": "610-954-5810",
            "fax_number": "610-954-5480"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "801 OSTRUM ST",
            "city": "BETHLEHEM",
            "state": "PA",
            "postal_code": "180151000",
            "telephone_number": "610-954-5810",
            "fax_number": "610-954-5480"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASTRIA",
        "first_name": "MICHAEL",
        "middle_name": "LOUIS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-06-06",
        "last_updated": "2026-01-12",
        "certification_date": "2026-01-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "PA",
            "license": "MD489340",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "PA",
            "license": "MD489340",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "MD489340",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Bethlehem, PA

Sources for this page

Verify at the official NPI Registry.