HILARY N. KLEIN PH.D.
NPI 1861781882
Psychologist in Cabin John, MD

Active since March 30, 2011Opted out of Medicare · through Dec 16, 2027
6500 SEVEN LOCKS RD, 220, CABIN JOHN, MD 20818(240) 463-9662 Get Directions Write a Review

NPPES record last updated: March 30, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Hilary N. Klein Ph.d. NPPES

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

HILARY N. KLEIN PH.D. (NPI 1861781882) is an individual psychologist in Cabin John, Maryland, licensed in Maryland (04027) and active in the NPI registry since March 2011. She has opted out of Medicare through December 16, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1861781882
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameHILARY N. KLEINCredential: PH.D.
Location Address6500 SEVEN LOCKS RD, 220Cabin John, MD 20818-1300
Mailing Address5208 Belvoir DrBethesda, MD 20816-1911 · (301) 263-0493
Sole ProprietorYes
Enumeration DateMarch 30, 2011
NPI 1861781882 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in MD · 04027
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.
6500 SEVEN LOCKS RD, Cabin John, MD 20818

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Hilary N. Klein Ph.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from December 16, 2019 through December 16, 2027.

Opt-Out Effective DateDecember 16, 2019
Opt-Out In Effect ThroughDecember 16, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Other Providers at the Same Location NPPES 4

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

Psychiatry & Neurology (Psychiatry)
6500 SEVEN LOCKS RD, SUITE 220
CABIN JOHN, MD 20818
Psychologist (Clinical)
6500 SEVEN LOCKS RD, #220
CABIN JOHN, MD 20818
Psychiatry & Neurology (Psychiatry)
6500 SEVEN LOCKS RD, SUITE 206
CABIN JOHN, MD 20818
Preferred Provider Organization
6500 SEVEN LOCKS RD, SUITE 232
CABIN JOHN, MD 20818

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 Hilary Klein's NPI number?

The NPI number for Hilary Klein is 1861781882. It was assigned to this individual provider in the NPPES registry on March 30, 2011.

Where is Hilary Klein located?

Hilary Klein practices at 6500 Seven Locks Rd 220, Cabin John, MD 20818. The listed phone number is (240) 463-9662.

What is Hilary Klein's specialty?

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

Is Hilary Klein enrolled in Medicare?

No. Hilary Klein has opted out of Medicare through December 16, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Hilary Klein was last updated on March 30, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.