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

HELENE PUZIO DO
NPI 1235758970
Internal Medicine - Endocrinology, Diabetes & Metabolism in San Francisco, CA

Active since April 13, 2020PECOS Enrolled
400 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 353-2350 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 3, 2026, Aug 8, 2024, Jun 7, 2023 and 1 more (4 updates tracked since 2020).

About Helene Puzio Do NPPES

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

HELENE PUZIO DO (NPI 1235758970) is an individual endocrinology, diabetes & metabolism provider in San Francisco, California, licensed in California (20A22733) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS and maintains a secondary practice location in Stanford.

NPPES Registry Identity

NPI1235758970
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameHELENE PUZIOCredential: DO
Location Address400 PARNASSUS AVESan Francisco, CA 94143-2202
Mailing Address300 Pasteur Dr Rm S025Stanford, CA 94305-2200
Phone(415) 353-2350
Sole ProprietorNo
Enumeration DateApril 13, 2020
Last NPPES UpdateAugust 3, 20264 updates tracked since enumeration
NPPES CertifiedAugust 3, 2026
✔ NPI 1235758970 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in CA · 20A22733
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedInternal MedicineTaxonomy 207R00000X · License 34.016370 (OH), 20A22733 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
400 PARNASSUS AVE, San Francisco, CA 94143
Open in Google Maps ↗

Secondary Practice Location 1

Location 1300 Pasteur Dr Rm S025Stanford, CA 94305-2200 · Phone (650) 723-2300

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Helene Puzio Do 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 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.

DR. ALEJANDRA GABRIELA DE ALBA CAMPOMANES MD, MPH
Ophthalmology
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2560
DR. MARISSA A BOECK M.D.
Surgery (Surgical Critical Care)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2161
DR. JACQUELINE EVA WEINSTEIN M.D.
Otolaryngology (Pediatric Otolaryngology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1000
TIFFANY PONG ROSS PA-C
Physician Assistant
400 PARNASSUS AVE, 3RD FLOOR, SUITE 311
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2739
SHINTARO TATEBE MSPT
Physical Therapist
400 PARNASSUS AVE, A-68
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-8574
DR. YVONNE W WU MD
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2813
DR. DAVID S. BRADFORD MD
Orthopaedic Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2739
DR. SANG-MO KANG MD
Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1551

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 Helene Puzio's NPI number?

The NPI number for Helene Puzio is 1235758970. It was assigned to this individual provider in the NPPES registry on April 13, 2020.

Where is Helene Puzio located?

Helene Puzio practices at 400 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-2350.

What is Helene Puzio's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Helene Puzio enrolled in Medicare?

Yes. Helene Puzio is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Helene Puzio was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 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.