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DR. JULIE ANNE WINFIELD M.D.
NPI 1982733473
Specialist in Tiburon, CA

Active since March 02, 2007Opted out of Medicare · through Feb 17, 2028
1652 TIBURON BLVD # 94920, TIBURON, CA 94920(415) 250-1733 Get Directions Write a Review

NPPES record last updated: March 2, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Julie Anne Winfield M.d. NPPES

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

DR. JULIE ANNE WINFIELD M.D. (NPI 1982733473) is an individual specialist in Tiburon, California, licensed in California (A55830) and active in the NPI registry since March 2007. She has opted out of Medicare through February 17, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1982733473
Entity TypeIndividualFemale
Primary Taxonomy174400000X
Provider Legal NameDR. JULIE ANNE WINFIELDCredential: M.D.
Location Address1652 TIBURON BLVD # 94920Tiburon, CA 94920-2512
Mailing Address1652 Tiburon Blvd # 94920Tiburon, CA 94920-2512 · (415) 927-0990 · Fax (415) 927-0991
Phone(415) 250-1733
Sole ProprietorYes
Enumeration DateMarch 2, 2007
Last NPPES UpdateMarch 2, 2026
NPPES CertifiedMarch 2, 2026
✔ NPI 1982733473 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · A55830
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
1652 TIBURON BLVD # 94920, Tiburon, CA 94920
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

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Opted out of Medicare

Dr. Julie Anne Winfield M.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 February 17, 2016 through February 17, 2028.

Opt-Out Effective DateFebruary 17, 2016
Opt-Out In Effect ThroughFebruary 17, 2028Opt-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.

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 Julie Winfield's NPI number?

The NPI number for Julie Winfield is 1982733473. It was assigned to this individual provider in the NPPES registry on March 2, 2007.

Where is Julie Winfield located?

Julie Winfield practices at 1652 Tiburon Blvd # 94920, Tiburon, CA 94920. The listed phone number is (415) 250-1733.

What is Julie Winfield's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Julie Winfield enrolled in Medicare?

No. Julie Winfield has opted out of Medicare through February 17, 2028. 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 Julie Winfield was last updated on March 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.