Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JULIA SUZANNE RETZKY MD
NPI 1033653084
Orthopaedic Surgery - Sports Medicine in Stanford, CA

Active since December 09, 2016PECOS Enrolled
300 PASTEUR DR, STANFORD, CA 94305(650) 723-4000 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 1, 2026, Apr 27, 2021, Apr 11, 2021 (3 updates tracked since 2021).

About Julia Suzanne Retzky Md NPPES

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

JULIA SUZANNE RETZKY MD (NPI 1033653084) is an individual sports medicine provider in Stanford, California, licensed in California (A210061) and active in the NPI registry since December 2016. She is enrolled in Medicare PECOS and maintains a secondary practice location in New York.

NPPES Registry Identity

NPI1033653084
Entity TypeIndividualFemale
Primary Taxonomy207XX0005X
Provider Legal NameJULIA SUZANNE RETZKYCredential: MD
Location Address300 PASTEUR DRStanford, CA 94305-2200
Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 723-4000
Sole ProprietorNo
Enumeration DateDecember 9, 2016
Last NPPES UpdateSeptember 1, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2026
NPI 1033653084 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOrthopaedic Surgery · Sports MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207XX0005X
License Licensed in CA · A210061
Definition
An orthopaedic surgeon trained in sports medicine provides appropriate care for all structures of the musculoskeletal system directly affected by participation in sporting activity. This specialist is proficient in areas including conditioning, training and fitness, athletic performance and the impact of dietary supplements, pharmaceuticals, and nutrition on performance and health, coordination of care within the team setting utilizing other health care professionals, field evaluation and management, soft tissue biomechanics and injury healing and repair. Knowledge and understanding of the principles and techniques of rehabilitation, athletic equipment and orthotic devices enables the specialist to prevent and manage athletic injuries.
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License 307443 (NY), A210061 (CA)
300 PASTEUR DR, Stanford, CA 94305

Secondary Practice Location 1

Location 1535 E 70th StNew York, NY 10021-4823 · Phone (212) 606-1000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Julia Suzanne Retzky Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Internal Medicine (Gastroenterology)
300 PASTEUR DR, ALWAY BUILD M211, MC 5187
STANFORD, CA 94305
Radiology (Vascular & Interventional Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
STANFORD, CA 94305
Radiology (Diagnostic Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Nurse Practitioner
300 PASTEUR DR
STANFORD, CA 94305
Neurological Surgery
300 PASTEUR DR
STANFORD, CA 94305
Pathology (Anatomic Pathology & Clinical Pathology)
300 PASTEUR DR, LANE 235
STANFORD, CA 94305
Internal Medicine (Critical Care Medicine)
300 PASTEUR DR
STANFORD, CA 94305

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 Julia Retzky's NPI number?

The NPI number for Julia Retzky is 1033653084. It was assigned to this individual provider in the NPPES registry on December 9, 2016.

Where is Julia Retzky located?

Julia Retzky practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.

What is Julia Retzky's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Sports Medicine, with taxonomy code 207XX0005X.

Is Julia Retzky enrolled in Medicare?

Yes. Julia Retzky is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Julia Retzky was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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.