CASSIDY SIEGEL MELLIN
NPI 1093211757
Pediatrics in San Francisco, CA

Q: What is Cassidy Mellin's NPI number?

The NPI number for Cassidy Mellin is 1093211757. It was assigned to this individual provider in the NPPES registry on April 2, 2018.

Q: What is Cassidy Mellin's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Cassidy Mellin was last updated on July 18, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 02, 2018PECOS Enrolled

1975 4TH ST, SAN FRANCISCO, CA 94143(415) 476-9000 Get Directions Write a Review

NPPES record last updated: July 18, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Cassidy Siegel Mellin NPPES

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

CASSIDY SIEGEL MELLIN (NPI 1093211757) is an individual pediatrics provider in San Francisco, California, licensed in California (A164601) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1093211757

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameCASSIDY SIEGEL MELLIN

Location Address1975 4TH STSan Francisco, CA 94143-2351

Mailing Address550 16th StSan Francisco, CA 94143-2549

Phone(415) 476-9000

Sole ProprietorNo

Enumeration DateApril 2, 2018

Last NPPES UpdateJuly 18, 2022

NPPES CertifiedJuly 18, 2022

✔ NPI 1093211757 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CA · A164601

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1975 4TH ST, San Francisco, CA 94143

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cassidy Siegel Mellin 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

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

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.

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