DR. DIANE R KOSLOW PH.D.
NPI 1851500391
Psychologist in Rockville, MD
About Dr. Diane R Koslow Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DIANE R KOSLOW PH.D. (NPI 1851500391) is an individual psychologist in Rockville, Maryland, licensed in Maryland (02135) and active in the NPI registry since May 2007. She has opted out of Medicare through October 21, 2026 and remains eligible to order and refer.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Opted out of Medicare
Dr. Diane R Koslow 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 October 21, 2012 through October 21, 2026.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCKVILLE, MD 20852
ROCKVILLE, MD 20852
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 Diane Koslow's NPI number?
The NPI number for Diane Koslow is 1851500391. It was assigned to this individual provider in the NPPES registry on May 22, 2007.
Where is Diane Koslow located?
Diane Koslow practices at 6201 Executive Blvd, Rockville, MD 20852. The listed phone number is (301) 770-2847.
What is Diane Koslow's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Diane Koslow enrolled in Medicare?
No. Diane Koslow has opted out of Medicare through October 21, 2026. 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 Diane Koslow was last updated on July 11, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.