Caroline Renee Hollnagel, PH.D.
Psychologist · Bangor, ME
Caroline Renee Hollnagel, PH.D. is a psychologist with a practice address in Bangor, Maine, and NPI 1508190299, issued on Sep 28, 2009. Check the license (Maine PS1526, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Caroline Renee Hollnagel
- Credential
- PH.D.
- Primary taxonomy
- Psychologist 103T00000X
- License numbers
- PS1526 ME
23040 CA
Self-reported in NPPES; status is on the state search - Practice location
- 417 State St Ste 209, Bangor, ME 04401
- Phone
- (207) 973-7000
- Enumerated
- Sep 28, 2009
- Record last updated
- Oct 26, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180122001392); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychologist records → All 260 in Maine → Look up another NPI →
Verify Caroline Renee Hollnagel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license PS1526Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Acadia Hospital Corp.Bangor, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caroline Renee Hollnagel among 260 psychologist records in Maine
Caroline Renee Hollnagel, PH.D. is one of 260 psychologist records with a practice address in Maine. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 66% of them.
- NPI issued2009 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated2003 · median 1996 among the 59 with a school on file
- Record last updated2018 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychologist providers in Maine
There are 260 psychologist records in Maine.
All 260 in Maine → Every provider in Bangor → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Jeffrey Aston, PH.DBangor, ME 044011003928540
- Kristen Barry, PHDBangor, ME 044011417933607
- Mary Cuddy, PH.D.Bangor, ME 044011851483556
- Jonathan Freedman, PH. D.Bangor, ME 044011700834736
- Jonathan Heeren, PH.DBangor, ME 044011598795734
- Fredric Kristal, PHDBangor, ME 044011649210865
- Kathleen Mulrenin, PHDBangor, ME 044011124000351
- Paul PuseyBangor, ME 044011437168994
Common questions
What is Caroline Renee Hollnagel, PH.D.'s NPI number?
Caroline Renee Hollnagel, PH.D.'s National Provider Identifier (NPI) is 1508190299, issued on Sep 28, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Caroline Renee Hollnagel, PH.D. located?
The NPPES record lists a practice address at 417 State St Ste 209, Bangor, ME, 04401. Phone: (207) 973-7000. Providers update this record themselves, so call before visiting.
How can I verify Caroline Renee Hollnagel, PH.D.'s license?
NPPES lists Maine license number PS1526, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.