Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Caroline Renee Hollnagel, PHD

Individual provider Psychologist · NPI 1508190299

Caroline Renee Hollnagel, PHD is a Clinical Psychologist in Bangor, Maine. Qualified in 2003, 23 years ago. Practices with Acadia Hospital Corp, a 86-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California and Maine.

Years since qualifying
23
Licensed in
CA, ME
In the registry since
2009
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

417 State St Ste 209
Bangor, ME 04401
Phone: (207) 973-7000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 401 Parnassus Ave, San Francisco, CA 94143-2211 — (415) 476-7000
  • 401 Parnassus Ave, San Francisco, CA 94143-2211 — (415) 476-7000

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PS1526 (ME)
Psychologist Taxonomy 103T00000X · Licence 23040 (CA)

Record details

NPI number1508190299
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedSeptember 28, 2009
Last updated in NPPESOctober 26, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Acadia Hospital Corp. — 86 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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