MICHAEL ENG M.D.
NPI 1952395428
Family Medicine - Addiction Medicine in Lewiston, ME

Active since September 09, 2005PECOS EnrolledAccepts Medicare Assignment
300 MAIN ST, LEWISTON, ME 04240(207) 795-2338 Get Directions Write a Review

NPPES record last updated: December 20, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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

NPI1952395428
Entity TypeIndividualMale
Primary Taxonomy207QA0401X
Provider Legal NameMICHAEL ENGCredential: M.D.
Location Address300 MAIN STLewiston, ME 04240-7007
Mailing AddressPo Box 1849Lewiston, ME 04241-1849 · (207) 784-2554 · Fax (207) 777-5363
Sole ProprietorNo
Medical School CMSDuke University School Of MedicineGraduated 1996
Enumeration DateSeptember 9, 2005
Last NPPES UpdateDecember 20, 2023
NPPES CertifiedDecember 20, 2023
✔ NPI 1952395428 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyFamily Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QA0401X
License✔ Licensed in ME · MD15594
Definition
A family medicine physician who specializes in the diagnosis and treatment of addictions.
Also ListedPathology · Anatomic Pathology & Clinical PathologyTaxonomy 207ZP0102X · License 015594 (ME)
Also ListedPreventive Medicine · Addiction MedicineTaxonomy 2083A0300X · License MD15594 (ME)
300 MAIN ST, Lewiston, ME 04240

Secondary Practice Location 1

Location 186 Tandberg TrlWindham, ME 04062-5841 · Phone (207) 893-0386 · Fax (207) 893-2086

Other Identifiers 1

Medicaid1538121074ME

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.

PECOS PAC ID7618919093
PECOS Enrollment IDI20050525001014, I20231219002113, I20260106000263
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

6

Medicare 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.

21 mi
Substance Abuse Treatment, Children
86 TANDBERG TRL
Windham, ME 04062
  • Reassigned Medicare billing, Maine enrollment
  • 14 clinicians in this Medicare group
Case Management
841 RIVERSIDE DR
Augusta, ME 04330
  • Reassigned Medicare billing, Maine enrollment
  • 11 clinicians in this Medicare group
General Practice
44 S MAIN ST STE 2
Hanover, NH 03755
  • Reassigned Medicare billing, Maine enrollment
  • 29 clinicians in this Medicare group
Adult Mental Health
20 S PAINT ST
Chillicothe, OH 45601
  • Reassigned Medicare billing, Ohio enrollment
  • 3 clinicians in this Medicare group
Adult Mental Health
465 BIELBY RD
Lawrenceburg, IN 47025
  • Reassigned Medicare billing, Maine, New Hampshire and Iowa enrollments
  • Also billed through NPI 1346736758 (Iowa)
  • 46 clinicians in this Medicare group
Adult Mental Health
4801 TROUP HWY STE 101
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.

New Patient
$123.23 typical visit price
range $53.26 – $162.77
Typical copayment $30.80 (range $13.31 – $40.69)
Most-billed visit code 99204
Established Patient
$94.60 typical visit price
range $16.90 – $132.79
Typical copayment $23.65 (range $4.22 – $33.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Nurse Anesthetist, Certified Registered
300 MAIN ST, CENTRAL MAINE MEDICAL CENTER
LEWISTON, ME 04240
Physical Therapist
300 MAIN ST
LEWISTON, ME 04240
Speech-Language Pathologist
300 MAIN ST
LEWISTON, ME 04240
Internal Medicine
300 MAIN ST
LEWISTON, ME 04240
Radiology (Diagnostic Radiology)
300 MAIN ST
LEWISTON, ME 04240
Nurse Anesthetist, Certified Registered
300 MAIN ST
LEWISTON, ME 04240
Emergency Medicine
300 MAIN ST
LEWISTON, ME 04240
Internal Medicine
300 MAIN ST
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.