CAROLINE RENEE HOLLNAGEL (PH.D.) – Psychologist, NPI 1508190299
Psychologist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
173 CLINICAL PSYCHOLOGIST in ME
Provider Addresses for CAROLINE RENEE HOLLNAGEL (PH.D.)
43 WHITING HILL RD STE 300
BREWER, ME 044121006
Phone: (207) 973-7000
Type: Mailing
417 STATE ST STE 209
BANGOR, ME 04401
Phone: (207) 973-7000
Type: Location
401 Parnassus Ave
APC 0984
San Francisco, CA 941432211
Phone: (415) 476-7000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2018-01-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20180122001392 | I | Clinical Psychologist | ME | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 96139 | Administration of psychological or neuropsychological test by technician, each additional 30 minutes | 103 | 24 | $0 |
| 96133 | Evaluation of neuropsychological test, each additional hour | 60 | 27 | $0 |
| 96121 | Exam of neurobehavioral status, each additional hour | 32 | 28 | $0 |
| 96116 | Exam of neurobehavioral status, first hour | 28 | 28 | $0 |
| 96132 | Evaluation of neuropsychological test, first hour | 27 | 27 | $0 |
Insurance plans in this area (ZIP 04412)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Psychiatry, Neurology | ME | |
| P S Y C H I A T R Y | SD | |
| Nurse Practitioner | ME | |
| - | ME | |
| Clinical Psychologist | ME | |
| Clinical Social Worker | ME | |
| P S Y C H I A T R Y | TX | |
| - | ME | |
| P S Y C H I A T R Y | ME | |
| - | ME |
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