CAROLYN ELLIS DO
NPI 1841555398
Dermatology in Bangor, ME
About Carolyn Ellis Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROLYN ELLIS DO (NPI 1841555398) is an individual dermatology provider in Bangor, Maine, licensed in Maine (DO2591) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS, is affiliated with St Joseph Hospital, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
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
Carolyn Ellis 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.
Medicare Billing Reassignment
Medicare enrollment records show Carolyn Ellis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bangor, ME 04401
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: Penobscot Valley Dermatology PA
- 8 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.
Areas of Expertise CMS Part B claims 20
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Joseph Hospital
Acute Care Hospitals · Bangor, MENorthern Light Eastern Maine Medical Center
Acute Care Hospitals · Bangor, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Carolyn Ellis's NPI number?
The NPI number for Carolyn Ellis is 1841555398. It was assigned to this individual provider in the NPPES registry on July 11, 2012.
Where is Carolyn Ellis located?
Carolyn Ellis practices at 498 Essex St Ste 106, Bangor, ME 04401. The listed phone number is (207) 942-0669.
What is Carolyn Ellis's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Carolyn Ellis enrolled in Medicare?
Yes. Carolyn Ellis 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 Carolyn Ellis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carolyn Ellis reassigns Medicare benefits to Penobscot Valley Dermatology, P.A. (Bangor, 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 Carolyn Ellis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Carolyn Ellis accept?
Health plans from Anthem Blue Cross and Blue Shield list Carolyn Ellis 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 Carolyn Ellis affiliated with any hospitals?
According to CMS data, Carolyn Ellis is affiliated with St Joseph Hospital and Northern Light Eastern Maine Medical Center.
When was this NPI record last updated?
The NPPES record for Carolyn Ellis was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Carolyn Ellis, DO · NPI 1841555398
Dermatology physician in Bangor, Maine. Individual provider, active in the CMS NPPES registry since July 11, 2012.
## Identity
- **NPI:** 1841555398 (Entity type: Individual)
- **Enumerated:** July 11, 2012
- **Primary specialty:** Dermatology · taxonomy 207N00000X
- **State license:** DO2591 (Maine)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 498 ESSEX ST STE 106, Bangor, ME 04401-3990
- **Phone:** (207) 942-0669
## 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:** Penobscot Valley Dermatology, P.A. (NPI 1952536880, Bangor, ME), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** January 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1841555398) · Data from the CMS NPPES public registry.