CAROLINE RENEE HOLLNAGEL PH.D.
NPI 1508190299
Psychologist in Bangor, ME
About Caroline Renee Hollnagel Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROLINE RENEE HOLLNAGEL PH.D. (NPI 1508190299) is an individual psychologist in Bangor, Maine, licensed in Maine (PS1526) and active in the NPI registry since September 2009. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 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
Caroline Renee Hollnagel Ph.d. 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 Caroline Hollnagel 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
- 348 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 6
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.
Other Providers at the Same Location NPPES
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 Caroline Hollnagel's NPI number?
The NPI number for Caroline Hollnagel is 1508190299. It was assigned to this individual provider in the NPPES registry on September 28, 2009. The provider is also known as Caroline Odell Ph.D..
Where is Caroline Hollnagel located?
Caroline Hollnagel practices at 417 State St Ste 209, Bangor, ME 04401. The listed phone number is (207) 973-7000.
What is Caroline Hollnagel's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Caroline Hollnagel enrolled in Medicare?
Yes. Caroline Hollnagel 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 Caroline Hollnagel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Caroline Hollnagel reassigns Medicare benefits to Acadia Hospital Corp (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 Caroline Hollnagel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Caroline Hollnagel accept?
Health plans from Harvard Pilgrim Health Care and Taro Health list Caroline Hollnagel 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 Caroline Hollnagel was last updated on October 26, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.