Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1831032721 Individual Practitioner Female Practitioner

Heidi Hollar

Psychologist • Spencerville, OH

Professional Overview & Biography Verified Profile Summary

Heidi Hollar is a registered healthcare professional specializing in Psychologist in Spencerville, OH. Practice services are available at 2500 WISHER DR under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

2500 Wisher Dr

Spencerville, OH 458871293

Telephone 4196474111
Fax 4196475124
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Spencerville, OH

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 26.0 Yrs
Regional Practice Density
1 Specialists

Practicing in Spencerville, OH (1639 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-04-15
Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License OH 01006

A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

1 Associated Practitioners
Christina Erickson , RN BSN

Registered Nurse - School

NPI 1124962881

RNBSN

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active April 15, 2026

NPI status registered as active in NPPES database

📍
Updated Practice Location April 15, 2026

Registered at 2500 WISHER DR, SPENCERVILLE, OH 458871293 (Tel: 4196474111)

📍
Updated Business Mailing Address April 15, 2026

Registered at 1920 SLABTOWN RD, LIMA, OH 458013309 (Tel: 4192221836)

👤
Provider Name / Credentials Updated April 15, 2026

Recorded as HEIDI HOLLAR

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 15, 2026

Psychologist (License #01006 in OH)

🟢
Initial NPI Registration & Enumeration April 14, 2026

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1831032721
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 14, 2026
Last Update: April 15, 2026
Sole Proprietor: Yes

Mailing Address

1920 Slabtown Rd

Lima, OH 458013309

Phone: 4192221836

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.