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NPISignal

Individual Healthcare Provider

Laura Onderko, MD

NPI Record: ActiveInternal Medicine — Cardiovascular Disease
NPI1174919864
Lewiston, Maine

Provider's NPPES record last updated: June 24, 2025

Overview

Entity Type
Individual Healthcare Provider
NPI
1174919864
Primary Specialty
Internal Medicine — Cardiovascular Disease
Practice Location
Lewiston, Maine
Sole Proprietor
Yes

Federal Screening

NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.

List of Excluded Individuals/Entities (LEIE)

HHS Office of Inspector General

No potential match identified

No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.

Source data
September 10, 2026
Records indexed
84,001
Screened
Sep 19, 2026, 7:30 PM UTC

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

SAM.gov Exclusions

U.S. General Services Administration

Not checked

SAM.gov Exclusions was not checked.

SAM.gov screening is not configured on this deployment. No SAM check has been performed.

Screened
Not checked

This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

Run a name-based screening

Searches OIG LEIE and SAM.gov by name and reviews every potential match.

Specialties & Taxonomies

  • Internal Medicine

    Cardiovascular Disease

    Allopathic & Osteopathic Physicians

    Primary

    An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

    Taxonomy code 207RC0000X
  • Student in an Organized Health Care Education/Training Program

    Student, Health Care

    An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

    Taxonomy code 390200000X

Provider-Reported License Information

Internal Medicine (Maine)
MD23016
Internal Medicine (New Hampshire)
23262
License numbers are reported by the provider to NPPES and are not independently verified by NPISignal against any state licensing board. Confirm current license status directly with the issuing state board.

Practice Locations

Practice Location

99 Campus Ave Ste 301

Lewiston, Maine 04240-6045

Phone: (207) 777-5300

Additional Practice Location

22 Bramhall St

Portland, Maine 04102-3134

Phone: (207) 662-0111

Additional Practice Location

791 Turner St Unit 2

Auburn, Maine 04210-6314

Phone: (207) 330-3900

Fax: (207) 330-3940

Additional Practice Location

3073 White Mountain Hwy

North Conway, New Hampshire 03860-7101

Phone: (603) 356-5461

Additional Practice Location

93 Campus Ave

Lewiston, Maine 04240-6030

Phone: (207) 755-3240

Fax: (207) 755-3246

Additional Practice Location

61 Fairview Ave

Skowhegan, Maine 04976-1403

Phone: (207) 858-8121

Fax: (207) 474-3648

Record Information

Enumeration Date
April 9, 2015
Provider's NPPES Record Last Updated
June 24, 2025
Certification Date
June 24, 2025
NPISignal NPPES Dataset
August 2026

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