HALLIE RAE HAHN MD
NPI 1083238133
Ophthalmology in Portland, ME
About Hallie Rae Hahn Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HALLIE RAE HAHN MD (NPI 1083238133) is an individual ophthalmology provider in Portland, Maine, licensed in Maine (MD29263) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS and is a graduate of Medical University Of South Carolina College Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses 2
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
Hallie Rae Hahn Md 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
2Medicare enrollment records show Hallie Hahn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- Also billed through NPI 1295855948 (Maine)
- 20 clinicians in this Medicare group
Falls City, NE 68355
- Reassigned Medicare billing, Nebraska enrollment
- 34 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 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.
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.
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 Hallie Hahn's NPI number?
The NPI number for Hallie Hahn is 1083238133. It was assigned to this individual provider in the NPPES registry on June 4, 2020.
Where is Hallie Hahn located?
Hallie Hahn practices at 15 Lowell St, Portland, ME 04102. The listed phone number is (207) 774-8277.
What is Hallie Hahn's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Hallie Hahn enrolled in Medicare?
Yes. Hallie Hahn 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 Hallie Hahn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hallie Hahn reassigns Medicare benefits to 2 organizations: Maine Eye Center, PA (Portland, ME) and Community Medical Center, Inc. (Falls City, NE). 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 Hallie Hahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hallie Hahn accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Hallie Hahn 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 Hallie Hahn was last updated on September 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Hallie Rae Hahn, MD · NPI 1083238133
Ophthalmology physician in Portland, Maine. Individual provider, active in the CMS NPPES registry since June 4, 2020.
## Identity
- **NPI:** 1083238133 (Entity type: Individual)
- **Enumerated:** June 4, 2020
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** MD29263 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 15 LOWELL ST, Portland, ME 04102-2792
- **Phone:** (207) 774-8277
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Maine Eye Center, PA (NPI 1720044878, Portland, ME); Community Medical Center, Inc. (NPI 1881643484, Falls City, NE) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical University Of South Carolina College Of Medicine, class of 2020
## Record status
- **NPPES last updated:** September 15, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1083238133) · Data from the CMS NPPES public registry.