Individual provider Active NPI

Theresa Weiss, DO

  • Cardiovascular Disease Physician
  • Allentown, PA
National Provider Identifier
1538780291
Registry record updated Aug 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
OS021637 Issued in PA
Practice address
1250 S Cedar Crest Blvd Ste 300
Allentown, PA 18103-6381
Phone
(610) 402-3110
NPI assigned
May 4, 2020
Last updated
Aug 24, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 24, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X OS021637 PA Primary

Addresses

Primary practice location

1250 S Cedar Crest Blvd Ste 300
Allentown, PA 18103-6381

Mailing address

2100 Mack Blvd FL 4
Allentown, PA 18103-5622

Other names 1

  • Theresa Maitz Former name

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250203000848 PA Practitioner - Internal Medicine 1759712680 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
OT019985PAMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Lehigh Valley Physician Group CurrentSince Nov 30, 2024 Accepting new patients
Lehigh Valley Physician Group Cardiovascular Disease CurrentSince Nov 30, 2024 Accepting new patients
Lehigh Valley Physician Group Current Accepting new patients

Locations

1200 S Cedar Crest Blvd
Allentown, PA 18103
Phone (484) 862-3200

1250 S Cedar Crest Blvd
Ste 300
Allentown, PA 18103
Phone (610) 402-8275

2100 Mack Blvd
Fl 4
Allentown, PA 18103

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1588550400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787529600000",
    "number": "1538780291",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2100 MACK BLVD FL 4",
            "city": "ALLENTOWN",
            "state": "PA",
            "postal_code": "181035622"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1250 S CEDAR CREST BLVD STE 300",
            "city": "ALLENTOWN",
            "state": "PA",
            "postal_code": "181036381",
            "telephone_number": "610-402-3110"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEISS",
        "first_name": "THERESA",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-05-04",
        "last_updated": "2026-08-24",
        "certification_date": "2026-08-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "PA",
            "license": "OS021637",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "THERESA",
            "last_name": "MAITZ",
            "credential": "DO",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Allentown, PA

Sources for this page

Verify at the official NPI Registry.