1. Home
  2. Directory
  3. California
  4. San Francisco
  5. Psychiatry Neurology
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JULIA HELENE GREENBERG
NPI 1831779271
Psychiatry & Neurology - Neurology in San Francisco, CA

Active since April 09, 2021PECOS Enrolled
1100 VAN NESS AVE FL 6, SAN FRANCISCO, CA 94109(415) 600-3604 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 29, 2026, Nov 17, 2025, Apr 9, 2021 (3 updates tracked since 2021).

About Julia Helene Greenberg NPPES

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

JULIA HELENE GREENBERG (NPI 1831779271) is an individual neurology provider in San Francisco, California, licensed in California (A200413) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Palo Alto, and is a graduate of New York University School Of Medicine (2021).

NPPES Registry Identity

NPI1831779271
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameJULIA HELENE GREENBERG
Location Address1100 VAN NESS AVE FL 6San Francisco, CA 94109-6978
Mailing Address213 Quarry RdPalo Alto, CA 94304-1416 · (650) 723-6469
Phone(415) 600-3604
Sole ProprietorNo
Medical School CMSNew York University School Of MedicineGraduated 2021
Enumeration DateApril 9, 2021
Last NPPES UpdateSeptember 29, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2026
✔ NPI 1831779271 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · A200413
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
1100 VAN NESS AVE FL 6, San Francisco, CA 94109
Open in Google Maps ↗

Secondary Practice Location 1

Location 1213 Quarry RdPalo Alto, CA 94304-1416 · Phone (650) 723-6469

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Julia Helene Greenberg is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2860951670
PECOS Enrollment IDI20260821004780
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.

Medicare Billing Reassignment

Medicare enrollment records show Julia Greenberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sutter Bay Medical Foundation
15 mi
Multi-Specialty
12 CAMINO ENCINAS
Orinda, CA 94563
  • Reassigned Medicare billing, California enrollment
  • 4,479 clinicians in this Medicare group
NPI 1366898538 (510) 204-8180

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

BROOKE NYSTROM OTR/L, MOT
Occupational Therapist
1100 VAN NESS AVE FL 6
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-3604
SONG JULIA KIM M.D.
Psychiatry & Neurology (Vascular Neurology)
1100 VAN NESS AVE FL 6
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-5760
DR. SUSAN MICHELLE TIBUNI-SANDERS MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1100 VAN NESS AVE FL 6
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-0110
ANDREW MARISTELA ESCOBAR MD
Internal Medicine
1100 VAN NESS AVE FL 6
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-5760
DAVID C TONG MD
Psychiatry & Neurology (Neurology)
1100 VAN NESS AVE FL 6
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-5760
DR. MARIEL VELEZ M.D. PH.D.
Psychiatry & Neurology (Neurology)
1100 VAN NESS AVE FL 6
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-7880
DEANNE KENNEDY LOUBE MD
Psychiatry & Neurology (Vascular Neurology)
1100 VAN NESS AVE FL 6
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-5760
ASHLEY WU PA-C
Physician Assistant
1100 VAN NESS AVE FL 6
SAN FRANCISCO, CA 94109
San Francisco County (858) 345-0197

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 Greenberg's NPI number?

The NPI number for Julia Greenberg is 1831779271. It was assigned to this individual provider in the NPPES registry on April 9, 2021.

Where is Julia Greenberg located?

Julia Greenberg practices at 1100 Van Ness Ave Fl 6, San Francisco, CA 94109. The listed phone number is (415) 600-3604.

What is Julia Greenberg's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Julia Greenberg enrolled in Medicare?

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

Which organization bills Medicare for Julia Greenberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Julia Greenberg reassigns Medicare benefits to Sutter Bay Medical Foundation (Orinda, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Julia Greenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Julia Greenberg was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 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.