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DR. DEREK R LIBBY DO
NPI 1184815730
Preventive Medicine - Addiction Medicine in Portland, ME

Active since August 08, 2007PECOS EnrolledAccepts Medicare Assignment
97A EXCHANGE ST, SUITE 201, PORTLAND, ME 04101(207) 773-3335(207) 774-4788 Get Directions Write a Review

NPPES record last updated: September 23, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Derek R Libby Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DEREK R LIBBY DO (NPI 1184815730) is an individual addiction medicine provider in Portland, Maine, licensed in Maine (DO1967) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS and is a graduate of University Of New England, College Of Osteo Medicine (2003).

NPPES Registry Identity

NPI1184815730
Entity TypeIndividualMale
Primary Taxonomy2083A0300X
Provider Legal NameDR. DEREK R LIBBYCredential: DO
Location Address97A EXCHANGE ST, SUITE 201Portland, ME 04101-5016
Mailing Address97a Exchange St, Suite 201Portland, ME 04101-5016 · (207) 773-3335 · Fax (207) 774-4788
Phone(207) 773-3335
Fax(207) 774-4788
Sole ProprietorYes
Medical School CMSUniversity Of New England, College Of Osteo MedicineGraduated 2003
Enumeration DateAugust 8, 2007
Last NPPES UpdateSeptember 23, 2022
NPPES CertifiedSeptember 23, 2022
✔ NPI 1184815730 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPreventive Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083A0300X
License✔ Licensed in ME · DO1967
Definition
A physician engaged in the subspecialty practice of Addiction Medicine who specializes in the prevention, evaluation, diagnosis, treatment, and recovery of persons with the disease of addiction.
Also ListedNeuromusculoskeletal Medicine & OMMTaxonomy 204D00000X · License 1967 (ME)
97A EXCHANGE ST, Portland, ME 04101
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Dr. Derek R Libby Do 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 ID4486721834
PECOS Enrollment IDI20080926000203
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 Reassignment

Medicare enrollment records show Derek Libby reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Recover Together, LLC
821 mi
Adult Mental Health
465 BIELBY RD
Lawrenceburg, IN 47025
  • Reassigned Medicare billing, Maine enrollment
  • 46 clinicians in this Medicare group
NPI 1891102497 (800) 683-8313

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 04101 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
$128.83 typical visit price
range $56.28 – $169.96
Typical copayment $32.20 (range $14.07 – $42.49)
Most-billed visit code 99204
Established Patient
$99.18 typical visit price
range $18.22 – $138.92
Typical copayment $24.79 (range $4.55 – $34.73)
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 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. JULIA CRAFT COLPITTS LCSW
Social Worker (Clinical)
97A EXCHANGE ST, SUITE 304
PORTLAND, ME 04101
Cumberland County (207) 774-3168
DR. JEFFREY BARKIN M.D.
Psychiatry & Neurology (Psychiatry)
97A EXCHANGE ST
PORTLAND, ME 04101
Cumberland County (207) 775-2244
REBECCA A THOMPSON PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
97A EXCHANGE ST, SUITE 502
PORTLAND, ME 04101
Cumberland County (207) 239-9125

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 Derek Libby's NPI number?

The NPI number for Derek Libby is 1184815730. It was assigned to this individual provider in the NPPES registry on August 8, 2007.

Where is Derek Libby located?

Derek Libby practices at 97A Exchange St Suite 201, Portland, ME 04101. The listed phone number is (207) 773-3335.

What is Derek Libby's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Addiction Medicine, with taxonomy code 2083A0300X.

Is Derek Libby enrolled in Medicare?

Yes. Derek Libby 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 organization bills Medicare for Derek Libby's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Derek Libby reassigns Medicare benefits to Recover Together, LLC (Lawrenceburg, IN). The 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 Derek Libby's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Derek Libby accept?

Health plans from Anthem Blue Cross and Blue Shield list Derek Libby 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 Derek Libby was last updated on September 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.