LAURA ONDERKO MD
NPI 1174919864
Internal Medicine - Cardiovascular Disease in Lewiston, ME
About Laura Onderko Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAURA ONDERKO MD (NPI 1174919864) is an individual cardiovascular disease provider in Lewiston, Maine, licensed in Maine (MD23016) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains 5 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Laura Onderko Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Laura Onderko reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lewiston, ME 04240
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: St Marys Regional Medical Center
- 381 clinicians in this Medicare group
Norway, ME 04268
- Reassigned Medicare billing, Maine enrollment
- Also billed through NPI 1346299815 (Maine)
- 3,140 clinicians in this Medicare group
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- 229 clinicians in this Medicare group
Skowhegan, ME 04976
- Reassigned Medicare billing, Maine enrollment
- 124 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 15
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Maine Medical Center
Acute Care Hospitals · Portland, MESt Mary's Regional Medical Center
Acute Care Hospitals · Lewiston, MERedington Fairview General Hospital
Critical Access Hospitals · Skowhegan, MEStephens Memorial Hospital
Critical Access Hospitals · Norway, MEMemorial Hospital, The
Critical Access Hospitals · North Conway, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04240 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LEWISTON, ME 04240
LEWISTON, ME 04240
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Laura Onderko's NPI number?
The NPI number for Laura Onderko is 1174919864. It was assigned to this individual provider in the NPPES registry on April 9, 2015.
Where is Laura Onderko located?
Laura Onderko practices at 99 Campus Ave Ste 301, Lewiston, ME 04240. The listed phone number is (207) 777-5300.
What is Laura Onderko's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Laura Onderko enrolled in Medicare?
Yes. Laura Onderko is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Laura Onderko's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Laura Onderko reassigns Medicare benefits to 4 organizations: St. Mary's Regional Medical Center (Lewiston, ME), Mainehealth (Norway, ME), Maine Medical Partners (Portland, ME) and Redington-Fairview General Hospital (Skowhegan, ME). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Laura Onderko's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Laura Onderko accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Laura Onderko as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Laura Onderko affiliated with any hospitals?
According to CMS data, Laura Onderko is affiliated with Maine Medical Center, St Mary's Regional Medical Center, Redington Fairview General Hospital, Stephens Memorial Hospital and Memorial Hospital, The.
When was this NPI record last updated?
The NPPES record for Laura Onderko was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.