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Dr. Hillary A Parker , PhD

Psychologist โ€ข Columbus, OH

Active NPI 1578040564 Individual Practitioner Female Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

3650 Olentangy River Rd
Columbus, OH 432143464

Call 6142939600 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

3650 Olentangy River Rd

Columbus, OH 432143464

Telephone 6142939600
Fax 6143661215
Organization at the Same NPPES Address or Phone
Heart Specialists Of Ohio, Inc. Facility NPI 1023078516

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: Osu Psychiatry Llc. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Graduation Year

2016

Medicare patients

39 people with Original Medicare in 2024

Different Original Medicare patients in 2024; counts below 11 are hidden; this does not show availability or quality.

Source: CMS, Medicare Physician & Other Practitioners โ€“ by Provider, 2024.

Medicare-allowed amount

About $29,775 in 2024

The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.

What this does not show: Medicare-allowed amount

This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.

Source: CMS, Medicare Physician & Other Practitioners โ€“ by Provider and Service, 2024.

Paid by Medicare

About $23,542 in 2024

The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.

What this does not show: Paid by Medicare

This is not the clinician's income and not a measure of quality.

Source: CMS, Medicare Physician & Other Practitioners โ€“ by Provider and Service, 2024.

Years since graduation

10 years (graduated 2016)

CMS Doctors and Clinicians data list 2016 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2018

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, โ€œDoes your provider accept Medicare as full payment?โ€

Guide: What Medicare assignment means

Telehealth (some services)

Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.

What this does not show: Telehealth (some services)

It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Dr. Parker has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Dr. Parker as eligible to order or refer Medicare Part B clinical laboratory and imaging services and durable medical equipment (DME) for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Columbus and Ohio

Billing and prescribing volume is not a quality rating.

Medicare Part B services

More Medicare Part B services than 95% of clinicians listed under Psychologist in Columbus, OH (2024, 27 clinicians with data). Median for this group: 197. Middle half: 55 to 345.

More Medicare Part B services than 90% of clinicians listed under Psychologist in Ohio (2024, 148 clinicians with data). Median for this group: 164. Middle half: 98 to 297.

Medicare-allowed amount

A higher Medicare-allowed amount than 65% of clinicians listed under Psychologist in Columbus, OH (2024, 27 clinicians with data). Median for this group: $21,502. Middle half: $6,879 to $36,064.

A higher Medicare-allowed amount than 65% of clinicians listed under Psychologist in Ohio (2024, 148 clinicians with data). Median for this group: $20,064. Middle half: $10,736 to $36,044.

Paid by Medicare

A higher Medicare payment amount than 65% of clinicians listed under Psychologist in Columbus, OH (2024, 27 clinicians with data). Median for this group: $16,135. Middle half: $5,486 to $27,331.

A higher Medicare payment amount than 70% of clinicians listed under Psychologist in Ohio (2024, 148 clinicians with data). Median for this group: $15,377. Middle half: $8,139 to $27,212.

215 active clinicians are listed under Psychologist with a practice address in Columbus, OH (1,531 in Ohio).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Columbus

15.3% of these 215 clinicians have the CMS telehealth indicator.

28.8% of these 215 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo ยท Report an error.

Performed Procedures & Service Volume

Services billed to Original Medicare Part B in 2024.

CMS Part B ยท Data Year 2024
Reporting Year:

CPTยฎ is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2018โ€“2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners โ€“ by Provider and Service data, 2019โ€“2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.

HCPCS Code Services Patients Submitted Charge Medicare Allowed
96139 Administration of psychological or neuropsychological test by technician, each additional 30 minutes
189 35 $125.00 $31.72
96133 Evaluation of neuropsychological test, each additional hour
131 39 $340.00 $93.18
96132 Evaluation of neuropsychological test, first hour
39 39 $445.00 $122.91
96138 Administration of psychological or neuropsychological test by technician, first 30 minutes
35 35 $125.00 $30.83
90791 Psychiatric diagnostic evaluation
29 29 $595.00 $163.11
96116 Exam of neurobehavioral status, first hour
11 11 $320.00 $88.25

Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits

Submitted charges are billed amounts, not a price quote for your visit.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2026-05-04
Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

License # reported to NPPES OH P.07726

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.

Psychologist - Clinical

NUCC Taxonomy Code: 103TC0700X

License # reported to NPPES OH P.07726

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Clinical Neuropsychologist

NUCC Taxonomy Code: 103G00000X

License # reported to NPPES OH P.07726

A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: State Medical Board of Ohio.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - CLINICAL PSYCHOLOGIST

Medicare Enrollment ID

I20190807001259

Enrollment State Jurisdiction

OH

PECOS Control ID

9133456684

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Not Eligible
Power Mobility Devices (PMD) Not Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

Osu Psychiatry Llc

1670 Upham Dr, Columbus, OH 432101250

Phone: 6142939600

Osu Psychiatry Llc

700 Ackeran Rd, Columbus, OH 432021559

Osu Psychiatry Llc

3650 Olentangy River Rd, Columbus, OH 432143464

Phone: 6142939600

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

30 listed
Megan Ackley , APRN-CNP

Nurse Practitioner

NPI 1093199481

Advanced Practice Registered Nurse - Certified Nurse Practitioner

Dr. Rita Aouad , MD

Psychiatry & Neurology - Psychiatry

NPI 1164777926

Doctor of Medicine (M.D.)

Jessica Belser , APRNCNP

Nurse Practitioner - Psychiatric/Mental Health

NPI 1003248428

Advanced Practice Registered Nurse - Certified Nurse Practitioner

NPI 1053741074

Doctor of Philosophy (Ph.D.)

Dr. Katherine Brownlowe , MD

Psychiatry & Neurology - Psychiatry

NPI 1083789374

Doctor of Medicine (M.D.)

NPI 1225136583

Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

13 Historical Events
๐Ÿ“
Updated Practice Location May 04, 2026

Registered at 3650 OLENTANGY RIVER RD, COLUMBUS, OH 432143464 (Tel: 6142939600)

๐Ÿ“
Updated Business Mailing Address October 18, 2024

Registered at 700 ACKERMAN RD STE 2120, COLUMBUS, OH 432021559 (Tel: 6142939600)

๐Ÿ“
Updated Practice Location October 25, 2023

Registered at 3650 OLENTANGY RIVER RD FL 3, COLUMBUS, OH 432143464 (Tel: 6142939600)

๐Ÿ“
Updated Business Mailing Address May 14, 2021

Registered at 5300 NORTH MEADOWS DRIVE, BUILDING 1, SUITE 140, GROVE CITY, OH 43123 (Tel: 6146271620)

๐ŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) May 14, 2021

Psychologist (license number reported to NPPES: OH P.07726)

๐Ÿ“
Updated Practice Location August 04, 2019

Registered at 5300 N MEADOWS DR, BUILDING 1, SUITE 140, GROVE CITY, OH 431232546 (Tel: 6146271620)

๐ŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) August 04, 2019

Clinical Neuropsychologist (license number reported to NPPES: OH P.07726)

โœ…
NPI Profile Active July 23, 2018

NPI status registered as active in NPPES database

๐Ÿ“
Practice Location (Initial Record) July 23, 2018

Registered at 17273 STATE ROUTE 104, CHILLICOTHE, OH 456019718 (Tel: 7407731141)

๐Ÿ“
Business Mailing Address (Initial Record) July 23, 2018

Registered at 880 S 5TH ST, COLUMBUS, OH 432062612 (Tel: 5186571219)

๐Ÿ‘ค
Provider Name / Credentials (Initial Record) July 23, 2018

Recorded as HILLARY PARKER, PHD

๐ŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) July 23, 2018

Psychologist (license number reported to NPPES: OH P.07726)

๐ŸŸข
Initial NPI Registration & Enumeration July 23, 2018

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1578040564
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 23, 2018
Last Update: May 04, 2026
Sole Proprietor: No

Other Psychologists in Columbus

All Psychologists in Columbus

Mailing Address

700 Ackerman Rd Ste 2120

Columbus, OH 432021559

Phone: 6142939600

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.