DR. LARRY M GERSTENHABER PHD
NPI 1922011584
Psychologist in Wilmington, NC

Active since August 14, 2006PECOS EnrolledAccepts Medicare Assignment
5617 MAXWELL PL, WILMINGTON, NC 28409(910) 742-9243(888) 746-1787 Get Directions Write a Review

NPPES record last updated: November 29, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Larry M Gerstenhaber Phd NPPES

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

DR. LARRY M GERSTENHABER PHD (NPI 1922011584) is an individual psychologist in Wilmington, North Carolina and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1974).

NPPES Registry Identity

NPI1922011584
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. LARRY M GERSTENHABERCredential: PHD
Location Address5617 MAXWELL PLWilmington, NC 28409-2966
Mailing AddressPo Box 16310Wilmington, NC 28408-6310 · (910) 742-9243 · Fax (888) 746-1787
Fax(888) 746-1787
Sole ProprietorNo
Medical School CMSOtherGraduated 1974
Enumeration DateAugust 14, 2006
Last NPPES UpdateNovember 29, 2018
✔ NPI 1922011584 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
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 0493 (NC)
5617 MAXWELL PL, Wilmington, NC 28409

Other Identifiers 3

Other03610NC · Bcbs
Medicaid6000665NC
Other2821555CNC · Medicare-unspecified

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. Larry M Gerstenhaber 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 ID7214920362
PECOS Enrollment IDI20040406000152
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 Larry Gerstenhaber reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
3205 RANDALL PKWY, SUITE 105
Wilmington, NC 28403
  • Reassigned Medicare billing, North Carolina enrollment
  • 92 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.

Other Providers at the Same Location NPPES 17

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

Psychiatry & Neurology (Neurology)
5617 MAXWELL PL
WILMINGTON, NC 28409
Psychologist (Clinical)
5617 MAXWELL PL
WILMINGTON, NC 28409
Psychologist (Clinical)
5617 MAXWELL PL
WILMINGTON, NC 28409
Psychologist (Clinical)
5617 MAXWELL PL
WILMINGTON, NC 28409
Nurse Practitioner (Psychiatric/Mental Health)
5617 MAXWELL PL
WILMINGTON, NC 28409
Psychologist
5617 MAXWELL PL
WILMINGTON, NC 28409
Physician Assistant
5617 MAXWELL PL
WILMINGTON, NC 28409
Nurse Practitioner (Family)
5617 MAXWELL PL
WILMINGTON, NC 28409

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 Larry Gerstenhaber's NPI number?

The NPI number for Larry Gerstenhaber is 1922011584. It was assigned to this individual provider in the NPPES registry on August 14, 2006.

Where is Larry Gerstenhaber located?

Larry Gerstenhaber practices at 5617 Maxwell Pl, Wilmington, NC 28409. The listed phone number is (910) 742-9243.

What is Larry Gerstenhaber's specialty?

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

Is Larry Gerstenhaber enrolled in Medicare?

Yes. Larry Gerstenhaber 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 Larry Gerstenhaber's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Larry Gerstenhaber reassigns Medicare benefits to Lifesource Of North Carolina (Wilmington, NC). 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 Larry Gerstenhaber's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Larry Gerstenhaber accept?

Health plans from Blue Cross and Blue Shield of NC and Cigna Healthcare list Larry Gerstenhaber 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 Larry Gerstenhaber was last updated on November 29, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.