Laura Onderko, MD

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

MD23016 Issued in ME

Practice address

99 Campus Ave Ste 301
Lewiston, ME 04240-6045

Phone

(207) 777-5300

NPI assigned

Apr 9, 2015

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in ME, NH2 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 2

Specialty

Cardiovascular Disease (Cardiology)

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

MainehealthGroup PAC ID 7517860588, shared by 31 NPIs, 2,616 clinicians

St Marys Regional Medical CenterGroup PAC ID 0042107120, 192 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mainehealth Maine Medical Center Hospital, Portland, ME, CCN 200009
• St Mary's Regional Medical Center Hospital, Lewiston, ME, CCN 200034
• Mainehealth Stephens Hospital Hospital, Norway, ME, CCN 201315
• Memorial Hospital, the Hospital, North Conway, NH, CCN 301307
• Mainehealth Mid Coast Hospital Hospital, Brunswick, ME, CCN 200021

Merit-based Incentive Payment System (MIPS)

Final score

97.93 of 100Reported as apm

Quality

83.31

Promoting interoperability

100

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

97.93 of 100Reported as apm

Quality

83.31

Promoting interoperability

100

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

97.93 of 100Reported as apm

Quality

83.31

Promoting interoperability

100

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

84.57 of 100Reported as group

Quality

66.56

Promoting interoperability

99

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: londerko101996@direct.mmc.mainehealth.org

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.

• St. Mary's Regional Medical Center

  • General Acute Care Hospital
  • Lewiston, ME
  • NPI 1447226584
  Medicare reassignment Care Compare group NPD
• Maine Medical Partners

  dba Maine Medical Partners Women's Health

  • Obstetrics & Gynecology Physician
  • Portland, ME
  • NPI 1104921535
  Medicare reassignment NPD
• Mainehealth

  dba MaineHealth Stephens Hospital

  • Critical Access Hospital
  • Norway, ME
  • NPI 1346299815
  Medicare reassignment NPD
• Mainehealth

  dba Mainehealth Behavioral Health

  • Psychiatric Hospital
  • Westbrook, ME
  • NPI 1790265502
  Medicare reassignment NPD
• Redington-Fairview General Hospital

  • Critical Access Hospital
  • Skowhegan, ME
  • NPI 1174549133
  Medicare reassignment NPD
• Maine Medical Partners

  • Surgery Physician
  • Scarborough, ME
  • NPI 1346687167
  NPD
• Maine Medical Partners

  • Cardiovascular Disease Physician
  • Scarborough, ME
  • NPI 1386937175
  NPD
• Mainehealth

  dba MaineHealth Pharmacy Brighton Ave

  • Community/Retail Pharmacy
  • Portland, ME
  • NPI 1013868181
  NPD
• Mainehealth

  dba MMP Family Medicine

  • Family Medicine Physician
  • Portland, ME
  • NPI 1639194509
  NPD
• Redington-Fairview General Hospital

  dba Inland Family Care - Madison/Skowhegan

  • Rural Health Clinic/Center
  • Madison, ME
  • NPI 1851423008
  NPD
• St. Mary's Regional Medical Center

  dba St. Mary's d'Youville Pavilion

  • Skilled Nursing Facility
  • Lewiston, ME
  • NPI 1952306524
  NPD
• Mainehealth

  dba MaineHealth Medical Group-Primary Care

  • Clinic/Center
  • Portland, ME
  • NPI 1487346722
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Mainehealth

  dba MMP Orthopedics ( Div of Orthopedic Trauma & Fracture Care)

  • Orthopaedic Trauma Physician
  • Portland, ME
  • NPI 1003113127

  Hospital

  Care Compare affiliation
• Mainehealth

  • Internal Medicine Physician
  • Windham, ME
  • NPI 1023321593

  Hospital

  Care Compare affiliation
• Mainehealth

  dba Maine Hemophilia and Thrombosis Center

  • General Acute Care Hospital
  • Scarborough, ME
  • NPI 1053647024
  Care Compare affiliation
• Mainehealth

  • Maternal & Fetal Medicine Physician
  • Portland, ME
  • NPI 1063726891

  Hospital

  Care Compare affiliation
• Mainehealth

  dba Maine Medical Center Infectious Disease

  • Infectious Disease Physician
  • Portland, ME
  • NPI 1073701157

  Hospital

  Care Compare affiliation
• Mainehealth

  dba Geriatric Consults

  • Geriatric Medicine (Internal Medicine) Physician
  • Portland, ME
  • NPI 1164610242

  Hospital

  Care Compare affiliation
• Mainehealth

  dba MMC Pediatric Intensive Care Unit

  • Pediatric Critical Care Medicine Physician
  • Portland, ME
  • NPI 1265536817

  Hospital

  Care Compare affiliation
• Mainehealth

  • General Acute Care Hospital
  • Portland, ME
  • NPI 1346267879
  Care Compare affiliation
• Mainehealth

  dba MaineHealth Stephens Hospital

  • Critical Access Hospital
  • Norway, ME
  • NPI 1346299815
  Care Compare affiliation
• Mainehealth

  dba Maine Medical Partners Endocrinlogy & Diabetes

  • Endocrinology, Diabetes & Metabolism Physician
  • Scarborough, ME
  • NPI 1356651038

  Hospital

  Care Compare affiliation
• Mainehealth

  dba MMP Surgical Care

  • Surgery Physician
  • Portland, ME
  • NPI 1376981993

  Hospital

  Care Compare affiliation
• Mainehealth

  dba MMC Pediatric Urology

  • Pediatric Urology Physician
  • Portland, ME
  • NPI 1457540486

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1428537600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750723200000",
    "number": "1174919864",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "99 CAMPUS AVE STE 301",
            "city": "LEWISTON",
            "state": "ME",
            "postal_code": "042406045"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "99 CAMPUS AVE STE 301",
            "city": "LEWISTON",
            "state": "ME",
            "postal_code": "042406045",
            "telephone_number": "207-777-5300"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "22 Bramhall St",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "ME",
            "postal_code": "041023134",
            "country_code": "US",
            "telephone_number": "207-662-0111",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3073 White Mountain Hwy",
            "address_purpose": "LOCATION",
            "city": "North Conway",
            "state": "NH",
            "postal_code": "038607101",
            "country_code": "US",
            "telephone_number": "603-356-5461",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "791 Turner St Unit 2",
            "address_purpose": "LOCATION",
            "city": "Auburn",
            "state": "ME",
            "postal_code": "042106314",
            "country_code": "US",
            "telephone_number": "207-330-3900",
            "fax_number": "207-330-3940",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "93 Campus Ave",
            "address_purpose": "LOCATION",
            "city": "Lewiston",
            "state": "ME",
            "postal_code": "042406030",
            "country_code": "US",
            "telephone_number": "207-755-3240",
            "fax_number": "207-755-3246",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "61 Fairview Ave",
            "address_purpose": "LOCATION",
            "city": "Skowhegan",
            "state": "ME",
            "postal_code": "049761403",
            "country_code": "US",
            "telephone_number": "207-858-8121",
            "fax_number": "207-474-3648",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ONDERKO",
        "first_name": "LAURA",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2015-04-09",
        "last_updated": "2025-06-24",
        "certification_date": "2025-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NH",
            "license": "23262",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "ME",
            "license": "MD23016",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "londerko1587045@direct-prd.goodhelpconnections.org",
            "affiliation": "N",
            "address_1": "93 Campus Ave",
            "city": "Lewiston",
            "state": "ME",
            "country_code": "US",
            "postal_code": "042406030",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "londerko1587045@direct-prd.goodhelpconnections.org",
            "affiliation": "N",
            "address_1": "791 Turner St Unit 2",
            "city": "Auburn",
            "state": "ME",
            "country_code": "US",
            "postal_code": "042106314",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Catherine E Oconnor, MD
• Janice M Oliveira, CRNA
• Lawrence Oliver
• Joel S Olstein, MD
• Sheri L Olstein, FNP
• Hannah Ruth Oneill
• Optimal Homecare Soultions LLC
• Optimum Community Care LLC
• Optimum Residential Care LLC
• Optimus Residential Care LLC

• Cardiovascular Disease Physician in Lewiston, ME
• Providers in Lewiston, ME by specialty
• Cardiovascular Disease Physician in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 24, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.