DR. WINSTON RAPHAEL FREDERICK MD
NPI 1720100340
Internal Medicine - Infectious Disease in Washington, DC
About Dr. Winston Raphael Frederick Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WINSTON RAPHAEL FREDERICK MD (NPI 1720100340) is an individual infectious disease provider in Washington, District Of Columbia, licensed in District Of Columbia (MD14686) and active in the NPI registry since April 2007. He has opted out of Medicare through March 8, 2027 and remains eligible to order and refer and holds a CLIA Microscopy certificate valid through November 7, 2026.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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. Winston Raphael Frederick Md 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 March 8, 2017 through March 8, 2027.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate for Provider-Performed Microscopy Procedures (PPMP) 09D0645032
Winston R Frederick, MD · Washington, DCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20017 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
WASHINGTON, DC 20017
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 Winston Frederick's NPI number?
The NPI number for Winston Frederick is 1720100340. It was assigned to this individual provider in the NPPES registry on April 4, 2007.
Where is Winston Frederick located?
Winston Frederick practices at 1160 Varnum St NE Depaul Bldg Suite 016, Washington, DC 20017. The listed phone number is (202) 526-6442.
What is Winston Frederick's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Winston Frederick enrolled in Medicare?
No. Winston Frederick has opted out of Medicare through March 8, 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.
Does Winston Frederick hold a CLIA laboratory certificate?
Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 09D0645032) is associated with this NPI, valid through November 7, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Winston Frederick 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.
