1. Home
  2. Directory
  3. Maine
  4. Portland
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GIANNA LIBONATE DO
NPI 1306595905
Internal Medicine - Pulmonary Disease in Portland, ME

Active since March 21, 2022PECOS Enrolled
22 BRAMHALL ST, PORTLAND, ME 04102(207) 662-0111 Get Directions Write a Review

NPPES record last updated: August 19, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 19, 2026, Jun 3, 2025 (2 updates tracked since 2025).

About Dr. Gianna Libonate Do NPPES

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

DR. GIANNA LIBONATE DO (NPI 1306595905) is an individual pulmonary disease provider in Portland, Maine, licensed in Maine (TP26087) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, is affiliated with Riverside Methodist Hospital, and is a graduate of Edward Via Col Of Osteo Medicine-virginia Campus (2022).

NPPES Registry Identity

NPI1306595905
Entity TypeIndividualFemale
Primary Taxonomy207RP1001X
Provider Legal NameDR. GIANNA LIBONATECredential: DO
Location Address22 BRAMHALL STPortland, ME 04102-3134
Mailing Address22 Bramhall StPortland, ME 04102-3134
Phone(207) 662-0111
Sole ProprietorNo
Medical School CMSEdward Via Col Of Osteo Medicine-virginia CampusGraduated 2022
Enumeration DateMarch 21, 2022
Last NPPES UpdateAugust 19, 20262 updates tracked since enumeration
NPPES CertifiedAugust 19, 2026
✔ NPI 1306595905 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in ME · TP26087
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 34.017714 (OH)
Also ListedHospitalistTaxonomy 208M00000X · License 34.017714 (OH)
22 BRAMHALL ST, Portland, ME 04102
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gianna Libonate 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 ID4385021716
PECOS Enrollment IDI20250616001538
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Riverside Methodist Hospital

Acute Care Hospitals · Columbus, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360006
Location3535 Olentangy River RdColumbus, OH 43214 · Franklin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04102 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 20

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

ABBY LYNN LABRECQUE PA-C
Physician Assistant (Medical)
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-8111
TEGAN SWIFT RD
Dietitian, Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-4238
DEREK POULIN DO
Anesthesiology
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-2526
MATTHEW SCOTT AUSTIN CRNA
Nurse Anesthetist, Certified Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-2526
MADELINE YOUNGBERG MD
Internal Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-0111
ERICA BRASLEY MD
Student in an Organized Health Care Education/Training Program
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-0111
REBECCA ROSE LIGHTMAN
Internal Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-7060
DR. LUKE PATRICK KEFFER MD, MBA
Student in an Organized Health Care Education/Training Program
22 BRAMHALL ST
PORTLAND, ME 04102
Cumberland County (207) 662-0111

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 Gianna Libonate's NPI number?

The NPI number for Gianna Libonate is 1306595905. It was assigned to this individual provider in the NPPES registry on March 21, 2022.

Where is Gianna Libonate located?

Gianna Libonate practices at 22 Bramhall St, Portland, ME 04102. The listed phone number is (207) 662-0111.

What is Gianna Libonate's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Gianna Libonate enrolled in Medicare?

Yes. Gianna Libonate 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.

What insurance does Gianna Libonate accept?

Health plans from CareSource list Gianna Libonate 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 Gianna Libonate affiliated with any hospitals?

According to CMS data, Gianna Libonate is affiliated with Riverside Methodist Hospital.

When was this NPI record last updated?

The NPPES record for Gianna Libonate was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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.