DR. ANN GRAHAM PARKER PHD
NPI 1164838058
Psychologist in Chattanooga, TN

Active since July 11, 2014PECOS EnrolledAccepts Medicare Assignment
615 DERBY ST, CHATTANOOGA, TN 37404(423) 493-2916(423) 493-2950 Get Directions Write a Review

NPPES record last updated: July 11, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Ann Graham Parker Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANN GRAHAM PARKER PHD (NPI 1164838058) is an individual psychologist in Chattanooga, Tennessee, licensed in Tennessee (P0000002185) and active in the NPI registry since July 2014. She is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1164838058
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. ANN GRAHAM PARKERCredential: PHD
Location Address615 DERBY STChattanooga, TN 37404-1632
Mailing Address615 Derby StChattanooga, TN 37404-1632 · (423) 493-2916 · Fax (423) 493-2950
Fax(423) 493-2950
Sole ProprietorYes
Medical School CMSOtherGraduated 1997
Enumeration DateJuly 11, 2014
✔ NPI 1164838058 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 6

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in TN · P0000002185
Definition
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.
Also ListedPsychologist · Cognitive & BehavioralTaxonomy 103TB0200X
Also ListedPsychologist · FamilyTaxonomy 103TF0000X
Also ListedPsychologist · HealthTaxonomy 103TH0004X
Also ListedPsychologist · SchoolTaxonomy 103TS0200X
615 DERBY ST, Chattanooga, TN 37404

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ann Graham Parker Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9638314578
PECOS Enrollment IDI20150831002436
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Ann Parker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
1 MEDICAL PARK BLVD
Bristol, TN 37620
  • Reassigned Medicare billing, Tennessee enrollment
  • 230 clinicians in this Medicare group
Hospitalist
1600 BLAND ST
Bluefield, WV 24701
  • Reassigned Medicare billing, Tennessee enrollment
  • 227 clinicians in this Medicare group
Hospitalist
10550 PARK RUN DR
Las Vegas, NV 89144
  • Reassigned Medicare billing, Tennessee enrollment
  • 253 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
578 services66 patients
Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
214 services52 patients
Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
155 services35 patients
Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
101 services26 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
85 services84 patients
Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
66 services13 patients

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine (Adult Medicine)
615 DERBY ST
CHATTANOOGA, TN 37404
Day Training, Developmentally Disabled Services
615 DERBY ST
CHATTANOOGA, TN 37404
Dentist
615 DERBY ST
CHATTANOOGA, TN 37404
Physical Therapist
615 DERBY ST
CHATTANOOGA, TN 37404
Occupational Therapy Assistant
615 DERBY ST
CHATTANOOGA, TN 37404
Physical Therapist
615 DERBY ST
CHATTANOOGA, TN 37404
Intermediate Care Facility, Intellectual Disabilities
615 DERBY ST
CHATTANOOGA, TN 37404
Behavior Analyst
615 DERBY ST
CHATTANOOGA, TN 37404

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ann Parker's NPI number?

The NPI number for Ann Parker is 1164838058. It was assigned to this individual provider in the NPPES registry on July 11, 2014.

Where is Ann Parker located?

Ann Parker practices at 615 Derby St, Chattanooga, TN 37404. The listed phone number is (423) 493-2916.

What is Ann Parker's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Ann Parker enrolled in Medicare?

Yes. Ann Parker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Ann Parker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ann Parker reassigns Medicare benefits to 3 organizations: Ipc Pac Healthcare Services Of Tennessee PC (Bristol, TN), Cs Pacs 3 Southeast, LLC (Bluefield, WV) and Nv Pacs 2 LLC (Las Vegas, NV). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ann Parker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ann Parker accept?

Health plans from Cigna Healthcare list Ann Parker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ann Parker was last updated on July 11, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.