NPIMap

Individual provider Active NPI

Heather L Lockner, DO

  • Internal Medicine Physician
  • Berwyn, PA
National Provider Identifier
1295774503
Registry record updated Sep 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
OS012393 Issued in PA
Practice address
1001 Chesterbrook Blvd
Berwyn, PA 19312-3805
Phone
(610) 576-7515
NPI assigned
Jun 5, 2006
Last updated
Sep 30, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 30, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X OS012393 PA Primary

Addresses

Primary practice location

1001 Chesterbrook Blvd
Berwyn, PA 19312-3805

Mailing address

1001 Chesterbrook Blvd
Berwyn, PA 19312-3805
Phone (610) 576-7515

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
I20050624000128 PA Practitioner - Internal Medicine 5496790925 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

1001 Chesterbrook Blvd
FL 3
Berwyn, PA 19312-3805
Phone (610) 576-7515

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Pentahealth, LLC Internal Medicine CurrentSince Oct 1, 2020 Accepting new patients
Pottstown Clinic Company LLC Internal Medicine CurrentSince Apr 1, 2016 Accepting new patients
Clinical Care Associates of the University of Pennsylvania Health CurrentSince Aug 25, 2025 Accepting new patients
Clinical Care Associates of the University of Pennsylvania Health Internal Medicine Current Accepting new patients
Dr. John Trzesniowski LLC Past Accepting new patients
Inpatient Consultants of Pennsylvania PC Internal Medicine Past Accepting new patients
NE Phila Med LTD Internal Medicine Past Accepting new patients

Locations

1001 Chesterbrook Blvd
Berwyn, PA 19312
Phone (610) 576-7500

1001 Chesterbrook Blvd
Fl 3
Berwyn, PA 19312
Phone (610) 576-7500

305 Second Ave
Collegeville, PA 19426
Phone (484) 961-8220

412 Creamery Way
Ste 400
Exton, PA 19341
Phone (610) 269-9448

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

520 Maple Ave
Ste 4
West Chester, PA 19380
Phone (610) 430-8200

777 Township Line Rd
Ste 200
Yardley, PA 19067
Phone (215) 860-0775

Interoperability endpoints

  • Direct secure messaging: heatherlockner@gmacc.allscriptsdirect.net
  • FHIR API: https://fhir.meditouchehr.com/api/fhir/r4/

Organizations & group practices 7

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.

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": "1149465600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759190400000",
    "number": "1295774503",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1001 CHESTERBROOK BLVD",
            "city": "BERWYN",
            "state": "PA",
            "postal_code": "193123805",
            "telephone_number": "610-576-7515"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1001 CHESTERBROOK BLVD",
            "city": "BERWYN",
            "state": "PA",
            "postal_code": "193123805",
            "telephone_number": "610-576-7515"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LOCKNER",
        "first_name": "HEATHER",
        "middle_name": "L",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-05",
        "last_updated": "2025-09-30",
        "certification_date": "2025-09-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "OS012393",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Berwyn, PA

Sources for this page

Verify at the official NPI Registry.