DR. KAREN E STEWART PH.D.
NPI 1609159821
Psychologist in Chesapeake, VA

Active since September 23, 2011PECOS EnrolledAccepts Medicare Assignment
1545 CROSSWAYS BLVD STE 250, CHESAPEAKE, VA 23320(757) 206-2772(757) 206-2663 Get Directions Write a Review

NPPES record last updated: January 19, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 19, 2022, Jul 16, 2021, Feb 11, 2020 and 1 more (4 updates tracked since 2019).

About Dr. Karen E Stewart Ph.d. NPPES

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

DR. KAREN E STEWART PH.D. (NPI 1609159821) is an individual psychologist in Chesapeake, Virginia, licensed in Virginia (0810004463) and active in the NPI registry since September 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Roanoke, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1609159821
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. KAREN E STEWARTCredential: PH.D.
Location Address1545 CROSSWAYS BLVD STE 250Chesapeake, VA 23320-0218
Mailing Address1545 Crossways Blvd, Ste 250Chesapeake, VA 23320-0218 · (757) 206-2772 · Fax (757) 206-2263
Fax(757) 206-2663
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateSeptember 23, 2011
Last NPPES UpdateJanuary 19, 20224 updates tracked since enumeration
NPPES CertifiedJanuary 19, 2022
✔ NPI 1609159821 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
Licenses✔ Licensed in VA · 0810004463✔ Licensed in TN · 3401
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 · ClinicalTaxonomy 103TC0700X · License 3401 (TN)
1545 CROSSWAYS BLVD STE 250, Chesapeake, VA 23320

Secondary Practice Location 1

Location 13 Riverside CirRoanoke, VA 24016-4955 · Phone (540) 224-5170

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. Karen E Stewart Ph.d. 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 ID7416120753
PECOS Enrollment IDI20111101000394
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 Reassignment

Medicare enrollment records show Karen Stewart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Clinical
1545 CROSSWAYS BLVD STE 250
Chesapeake, VA 23320
  • Reassigned Medicare billing, Virginia enrollment
  • 26 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 4

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.

Administration of psychological or neuropsychological test, each additional 30 minutes 96137
This procedure involves administering psychological or neuropsychological tests to evaluate your mental functions. Each additional 30 minutes allows for a more in-depth assessment of your cognitive abilities, emotions, and behavior. It's crucial for accurate diagnosis and treatment planning.
96 services32 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.
33 services33 patients
Evaluation of psychological test, first hour 96130
This procedure involves a professional assessing your mental health using standardized tests. It's the initial hour of a process that helps understand your emotional well-being and cognitive abilities. It's completely non-invasive and confidential.
32 services32 patients
Administration of psychological or neuropsychological test, first 30 minutes 96136
This procedure involves a health professional conducting a psychological or neuropsychological test. The first 30 minutes typically involve understanding your mental health or brain function through various assessments. This helps in diagnosing and treating mental health disorders effectively.
32 services32 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.

Behavior Technician
1545 CROSSWAYS BLVD STE 250
CHESAPEAKE, VA 23320
Behavior Technician
1545 CROSSWAYS BLVD STE 250
CHESAPEAKE, VA 23320
Behavior Technician
1545 CROSSWAYS BLVD STE 250
CHESAPEAKE, VA 23320
Counselor (Professional)
1545 CROSSWAYS BLVD STE 250
CHESAPEAKE, VA 23320
Home Health
1545 CROSSWAYS BLVD STE 250
CHESAPEAKE, VA 23320
Behavior Technician
1545 CROSSWAYS BLVD STE 250
CHESAPEAKE, VA 23320
Behavior Technician
1545 CROSSWAYS BLVD STE 250
CHESAPEAKE, VA 23320
Social Worker (Clinical)
1545 CROSSWAYS BLVD STE 250
CHESAPEAKE, VA 23320

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 Karen Stewart's NPI number?

The NPI number for Karen Stewart is 1609159821. It was assigned to this individual provider in the NPPES registry on September 23, 2011.

Where is Karen Stewart located?

Karen Stewart practices at 1545 Crossways Blvd Ste 250, Chesapeake, VA 23320. The listed phone number is (757) 206-2772.

What is Karen Stewart's specialty?

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

Is Karen Stewart enrolled in Medicare?

Yes. Karen Stewart 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 organization bills Medicare for Karen Stewart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Stewart reassigns Medicare benefits to Assessment & Therapy Associates PC (Chesapeake, VA). The 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 Karen Stewart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen Stewart accept?

Health plans from CareSource, Oscar Health and UnitedHealthcare list Karen Stewart 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 Karen Stewart was last updated on January 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.