MICHAEL ENG M.D.
NPI 1952395428
Family Medicine - Addiction Medicine in Lewiston, ME
About Michael Eng M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL ENG M.D. (NPI 1952395428) is an individual addiction medicine provider in Lewiston, Maine, licensed in Maine (MD15594) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Windham, and is a graduate of Duke University School Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Other Identifiers 1
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
Michael Eng M.d. 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
6Medicare enrollment records show Michael Eng reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Windham, ME 04062
- Reassigned Medicare billing, Maine enrollment
- 14 clinicians in this Medicare group
Augusta, ME 04330
- Reassigned Medicare billing, Maine enrollment
- 11 clinicians in this Medicare group
Hanover, NH 03755
- Reassigned Medicare billing, Maine enrollment
- 29 clinicians in this Medicare group
Chillicothe, OH 45601
- Reassigned Medicare billing, Ohio enrollment
- 3 clinicians in this Medicare group
Lawrenceburg, IN 47025
- Reassigned Medicare billing, Maine, New Hampshire and Iowa enrollments
- Also billed through NPI 1346736758 (Iowa)
- 46 clinicians in this Medicare group
Tyler, TX 75703
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Groups Recover Together Texas PA
- 10 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.
Physician 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Michael Eng's NPI number?
The NPI number for Michael Eng is 1952395428. It was assigned to this individual provider in the NPPES registry on September 9, 2005.
Where is Michael Eng located?
Michael Eng practices at 300 Main St, Lewiston, ME 04240. The listed phone number is (207) 795-2338.
What is Michael Eng's specialty?
The primary specialty registered for this NPI is Family Medicine, specializing in Addiction Medicine, with taxonomy code 207QA0401X.
Is Michael Eng enrolled in Medicare?
Yes. Michael Eng 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 Michael Eng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Eng reassigns Medicare benefits to 6 organizations: Day One (Windham, ME), Anglez Behavioral Health Services PA (Augusta, ME), Belonging Medical Group PLLC (Hanover, NH), Groups Recover Together - Ohio LLC (Chillicothe, OH), Recover Together, LLC (Lawrenceburg, IN) and 1 more organization, listed in the Medicare section above. 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 Michael Eng's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Eng accept?
Health plans from Anthem Blue Cross and Blue Shield, Oscar Health, Oscar Health Insurance, Oscar Insurance Company and Oscar Insurance Corporation of Ohio and 2 other insurers list Michael Eng 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.
When was this NPI record last updated?
The NPPES record for Michael Eng was last updated on December 20, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.