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MARINA G B LONGSTRETH ACNPC-AG
NPI 1689444929
Nurse Practitioner - Acute Care in Portland, ME

Active since January 08, 2024PECOS Enrolled
22 BRAMHALL ST, PORTLAND, ME 04102(207) 662-0111 Get Directions Write a Review

NPPES record last updated: January 8, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Marina G B Longstreth Acnpc-ag NPPES

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

MARINA G B LONGSTRETH ACNPC-AG (NPI 1689444929) is an individual acute care provider in Portland, Maine, licensed in Maine (CMP231366) and active in the NPI registry since January 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689444929
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMARINA G B LONGSTRETHCredential: ACNPC-AG
Location Address22 BRAMHALL STPortland, ME 04102-3134
Mailing Address22 Bramhall StPortland, ME 04102-3134
Phone(207) 662-0111
Sole ProprietorYes
Enumeration DateJanuary 8, 2024
NPPES CertifiedJanuary 8, 2024
✔ NPI 1689444929 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in ME · CMP231366
22 BRAMHALL ST, Portland, ME 04102
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marina G B Longstreth Acnpc-ag is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Marina Longstreth reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mainehealth
Same address
Infectious Disease
22 BRAMHALL ST
Portland, ME 04102
  • Reassigned Medicare billing, Maine enrollment
  • 3,140 clinicians in this Medicare group
NPI 1073701157 (207) 662-3067

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 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
$86.72 typical visit price
range $56.28 – $169.96
Typical copayment $21.68 (range $14.07 – $42.49)
Most-billed visit code 99203
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 Marina Longstreth's NPI number?

The NPI number for Marina Longstreth is 1689444929. It was assigned to this individual provider in the NPPES registry on January 8, 2024.

Where is Marina Longstreth located?

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

What is Marina Longstreth's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Marina Longstreth enrolled in Medicare?

Yes. Marina Longstreth is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marina Longstreth's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marina Longstreth reassigns Medicare benefits to Mainehealth (Portland, ME). 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 Marina Longstreth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marina Longstreth was last updated on January 8, 2024. 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.