Individual provider Active NPI

Lawton O. Delisser, M.D.

  • Emergency Medicine Physician
  • Pottstown, PA
National Provider Identifier
1366499378
Registry record updated Aug 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
85955 Issued in WI
Practice address
1600 E High St
Pottstown, PA 19464-5008
Phone
(610) 327-7105
Fax
(610) 705-5652
NPI assigned
May 27, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 26, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 85955 WI Primary
Emergency Medicine Physician 207P00000X MD070002L PA
Family Medicine Physician 207Q00000X MD070002L PA

Addresses

Primary practice location

1600 E High St
Pottstown, PA 19464-5008

Mailing address

PO Box 13579
Reading, PA 19612-3579

Other practice location 1

Lakeview Medical Center of Rice Lake
1700 W Stout St
Rice Lake, WI 54868
Phone (715) 236-8100

Other identifiers 1

IdentifierTypeStateIssuer
1715982MedicaidPA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, MI, WI3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20031117000387 PA Practitioner - Family PracticePractitioner - Emergency Medicine 1850205675 Reassigns benefits to 13 organizations
I20250527000706 MI Practitioner - Emergency Medicine 1850205675 Reassigns benefits to 1 organization
I20250708001524 WI Practitioner - Emergency MedicinePractitioner - Family Practice 1850205675 Reassigns benefits to 18 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency MedicineAlso: Family Practice
Education
Medical College of Pennsylvania, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
MCHS Hospitals Inc 1,195 clinicians
Phoenixville Clinic Company LLC 135 clinicians
Pottstown Clinic Company LLC 112 clinicians

Practice addresses (Care Compare)

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone (715) 387-5511

140 Nutt Rd
Phoenixville, PA 19460-3906
Phone (610) 983-1000

1600 E High St
Pottstown, PA 19464-5093
Phone (610) 327-7000

440 24TH S
Suite 100
Wisconsin Rapids, WI 54494-1914
Phone (715) 424-8625

440 24TH St S
Wisconsin Rapids, WI 54494-1914
Phone (715) 751-6200

9576 Hwy 70
Minocqua, WI 54548-9067
Phone (715) 358-1710

Hospital & facility affiliations

  • Pottstown Hospital Hospital, Pottstown, PA, CCN 390123
  • Langlade Hospital Hospital, Antigo, WI, CCN 521350
  • Marshfield Medical Center Hospital, Marshfield, WI, CCN 520037
  • Marshfield Medical Center - Rice Lake Hospital, Rice Lake, WI, CCN 520011
  • Marshfield Medical Center - Eau Claire Hospital, Eau Claire, WI, CCN 520210

Merit-based Incentive Payment System (MIPS)

Final score
85.14 of 100Reported as group
Quality
74.13
Promoting interoperability
98
Improvement activities
40
Cost
78.01

Merit-based Incentive Payment System (MIPS)

Final score
84.7 of 100Reported as group
Quality
76.12
Promoting interoperability
99
Improvement activities
40
Cost
73.71

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD070002LPAMDEmergency Medicine Physician
85955WIMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Aspirus Medford Hospital & Clinics, Inc. Family Medicine CurrentSince Jan 18, 2026 Accepting new patients
Tower Health Urgent Care, LLC Emergency Medicine CurrentSince Jan 1, 2021 Accepting new patients
Phoenixville Clinic Company LLC Emergency Medicine CurrentSince Jan 1, 2023 Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Jul 1, 2025 Accepting new patients
Tower Health Medical Group CurrentSince Jan 16, 2023 Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Jul 1, 2025 Accepting new patients
Medical Services of Suffolk County PC Emergency Medicine CurrentSince Jul 25, 2023 Accepting new patients
Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. Family Medicine CurrentSince Aug 1, 2025 Accepting new patients
Suburban Medical Group LLC Emergency Medicine CurrentSince Aug 1, 2020 Accepting new patients
MCHS Hospitals Inc Emergency Medicine Current Accepting new patients
Flambeau Hospital Inc CurrentSince Jul 1, 2025 Accepting new patients
Langlade Hospital - Hotel Dieu of St Joseph of Antigo Wisconsin Family Medicine Current Accepting new patients
Tower Health Medical Group CurrentSince Jan 16, 2023 Accepting new patients
Aspirus Medford Hospital & Clinics, Inc. CurrentSince Aug 1, 2025 Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince Jul 1, 2025 Accepting new patients
Tower Health Medical Group Family Medicine Current Accepting new patients
Aspirus Merrill Hospital & Clinics, Inc. CurrentSince Aug 1, 2025 Accepting new patients
Pottstown Clinic Company LLC Emergency Medicine CurrentSince Jan 1, 2020 Accepting new patients
The Carbon-Schuylkill Community Hospital, Inc. Emergency Medicine Current Accepting new patients
Aspirus Medford Hospital & Clinics, Inc. Family Medicine Current Accepting new patients
Small Hospital Innovations LLC Emergency Medicine CurrentSince Nov 15, 2024 Accepting new patients
Aspirus Eagle River Hospital, Inc. Emergency Medicine CurrentSince Aug 1, 2025 Accepting new patients
Emergency Care Services of Pennsylvania, P.C. Emergency Medicine CurrentSince Aug 27, 2014 Accepting new patients
Phoenixville Clinic Company LLC CurrentSince Jan 1, 2023 Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince Jul 1, 2025 Accepting new patients
Aspirus Eagle River Hospital & Clinics, Inc. Current Accepting new patients
American Current Care PA CurrentSince Nov 3, 2014 Accepting new patients
McLaren Hospital Group Emergency Medicine CurrentSince Jul 1, 2025 Accepting new patients
MCHS Hospitals, Inc. CurrentSince Jul 1, 2025 Accepting new patients
West Grove Clinic Company LLC CurrentSince Dec 1, 2019 Accepting new patients
Memorial Hospital Inc CurrentSince Jul 1, 2025 Accepting new patients
Emergency Physician Associates of Pennsylvania, PC Emergency Medicine CurrentSince Sep 1, 2003 Accepting new patients
The Carbon Schuylkill Community Hospital, Inc. Emergency Medicine CurrentSince May 25, 2003 Accepting new patients
American Current Care P.a. CurrentSince Nov 3, 2014 Accepting new patients
Memorial Hospital Inc CurrentSince Jul 1, 2025 Accepting new patients
Carbon Schuylkill Community Hospital, Inc. Family Medicine CurrentSince May 25, 2003 Accepting new patients
Aspirus Medford Hospital & Clinics, Inc. CurrentSince Aug 1, 2025 Accepting new patients
Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. CurrentSince Aug 1, 2025 Accepting new patients
The Howard Young Medical Center, Inc. Emergency Medicine Current Accepting new patients
American Current Care PA Current Accepting new patients
Langlade Hospital - Hotel Dieu of St. Joseph of Antigo Wisconsin Emergency Medicine CurrentSince Jun 10, 2025 Accepting new patients
Aspirus Merrill Hospital & Clinics, Inc. CurrentSince Aug 1, 2025 Accepting new patients
The Howard Young Medical Center, Inc. CurrentSince Aug 1, 2025 Accepting new patients
MCHS Hospitals Inc Current Accepting new patients
Flambeau Hospital Inc CurrentSince Jul 1, 2025 Accepting new patients
West Grove Clinic Company LLC Emergency Medicine CurrentSince Dec 1, 2019 Accepting new patients
Aspirus Medical Group, Inc. CurrentSince Jun 10, 2025 Accepting new patients
MCHS Hospitals Inc CurrentSince Jul 1, 2025 Accepting new patients
Emergency Care Services of Pennsylvania, P.C. Emergency Medicine CurrentSince Aug 27, 2014 Accepting new patients
Marshfield Clinic Inc CurrentSince Jul 1, 2025 Accepting new patients
Buxmont Durable Medical Equipment Supplies, P.C. PastSince Dec 3, 2017 Accepting new patients
Windber Hospital, Inc. Past Accepting new patients

Locations (25 of 41)

29980 Network Pl
Chicago, IL 60673

1900 Columbus Ave
Bay City, MI 48708
Phone (989) 894-3000

401 S Ballenger Hwy
Flint, MI 48532
Phone (810) 342-1000

50 N Perry St
Pontiac, MI 48342
Phone (248) 338-5300

501 Bath Rd
Ph
Bristol, PA 19007
Phone (215) 785-9200

501 Bath Rd
Bristol, PA 19007
Phone (215) 785-9200

1139 Ben Franklin Hwy W
Ste 114
Douglassville, PA 19518
Phone (610) 385-4444

2701 DeKalb Pike
Fl 2
East Norriton, PA 19401
Phone (610) 275-1028

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

575 S 9th St
Ste 7
Lehighton, PA 18235
Phone (570) 645-1000

2701 DeKalb Pike
Norristown, PA 19401
Phone (215) 335-6000

1201 Langhorne Newtown Rd
Penndel, PA 19047
Phone (215) 710-2100

701 E Cathedral Rd
Ste 11
Philadelphia, PA 19128
Phone (267) 766-6321

5800 Ridge Ave
Philadelphia, PA 19128
Phone (215) 487-4334

2010 Levick St
Philadelphia, PA 19149
Phone (215) 537-4755

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

15 Freeport Rd
Ste 100
Pittsburgh, PA 15215
Phone (412) 784-1551

1600 E High St
Pottstown, PA 19464
Phone (610) 327-7485

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

2500 Bernville Rd
Reading, PA 19605
Phone (610) 378-2300

33 W Ridge Pike
Ste 627
Royersford, PA 19468
Phone (610) 226-6200

1015 W Baltimore Pike
West Grove, PA 19390
Phone (610) 869-1000

1011 W Baltimore Pike
Ste 307
West Grove, PA 19390
Phone (610) 869-1240

420 S 5th Ave
West Reading, PA 19611
Phone (484) 628-3637

520 Chestnut St
Bldg S3
West Reading, PA 19611
Phone (610) 561-6320

Organizations & group practices 53

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.

View all 53

Hospital & facility affiliations 7

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": "1148688000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756166400000",
    "number": "1366499378",
    "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"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1600 E HIGH ST",
            "city": "POTTSTOWN",
            "state": "PA",
            "postal_code": "194645008",
            "telephone_number": "610-327-7105",
            "fax_number": "610-705-5652"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "Lakeview Medical Center of Rice Lake",
            "address_2": "1700 W Stout St",
            "address_purpose": "LOCATION",
            "city": "Rice Lake",
            "state": "WI",
            "postal_code": "54868",
            "country_code": "US",
            "telephone_number": "715-236-8100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DELISSER",
        "first_name": "LAWTON",
        "middle_name": "O.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-27",
        "last_updated": "2025-08-26",
        "certification_date": "2025-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WI",
            "license": "85955",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "PA",
            "license": "MD070002L",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "PA",
            "license": "MD070002L",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1715982",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Pottstown, PA

Sources for this page

Verify at the official NPI Registry.