DR. LOIS EVAN GREIFER PHD
NPI 1801948153
Psychologist in Ny, NY
About Dr. Lois Evan Greifer Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LOIS EVAN GREIFER PHD (NPI 1801948153) is an individual psychologist in Ny, New York, licensed in New York (009867) and active in the NPI registry since January 2007. She has opted out of Medicare through May 15, 2028 and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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. Lois Evan Greifer Phd 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 May 15, 2026 through May 15, 2028.
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 Lois Greifer's NPI number?
The NPI number for Lois Greifer is 1801948153. It was assigned to this individual provider in the NPPES registry on January 17, 2007.
Where is Lois Greifer located?
Lois Greifer practices at 182 East 79th Street, Ny, NY 10021. The listed phone number is (212) 249-0792.
What is Lois Greifer's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Lois Greifer enrolled in Medicare?
No. Lois Greifer has opted out of Medicare through May 15, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.
When was this NPI record last updated?
The NPPES record for Lois Greifer was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.