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

EMILY CALABRETTA
NPI 1558167486
Nurse Practitioner in Palo Alto, CA

Q: What is Emily Calabretta's NPI number?

The NPI number for Emily Calabretta is 1558167486. It was assigned to this individual provider in the NPPES registry on February 21, 2025.

Q: What is Emily Calabretta's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Emily Calabretta was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since February 21, 2025PECOS Enrolled

500 PASTEUR DR RM P381, PALO ALTO, CA 94304(650) 723-7857 Get Directions Write a Review

NPPES record last updated: August 5, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 5, 2026, Jan 26, 2026, Feb 26, 2025 and 1 more (4 updates tracked since 2025).

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About Emily Calabretta NPPES

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

EMILY CALABRETTA (NPI 1558167486) is an individual nurse practitioner in Palo Alto, California, licensed in Illinois (209032633) and active in the NPI registry since February 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1558167486

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameEMILY CALABRETTA

Location Address500 PASTEUR DR RM P381Palo Alto, CA 94304-1048

Mailing Address300 Pasteur DrPalo Alto, CA 94305-2200

Phone(650) 723-7857

Sole ProprietorNo

Medical School CMSOtherGraduated 2024

Enumeration DateFebruary 21, 2025

Last NPPES UpdateAugust 5, 20264 updates tracked since enumeration

NPPES CertifiedAugust 5, 2026

✔ NPI 1558167486 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in IL · 209032633

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 95034083 (CA)

500 PASTEUR DR RM P381, Palo Alto, CA 94304

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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 and accepts Medicare assignment

Emily Calabretta is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7719400969

PECOS Enrollment IDI20250327003201

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 94304 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

$106.47 typical visit price

range $70.37 – $206.04

Typical copayment $26.61 (range $17.59 – $51.51)

Most-billed visit code 99203

Established Patient

$121.77 typical visit price

range $23.96 – $169.60

Typical copayment $30.44 (range $5.99 – $42.40)

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.

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 Emily Calabretta's NPI number?

The NPI number for Emily Calabretta is 1558167486. It was assigned to this individual provider in the NPPES registry on February 21, 2025.

Where is Emily Calabretta located?

Emily Calabretta practices at 500 Pasteur Dr Rm P381, Palo Alto, CA 94304. The listed phone number is (650) 723-7857.

What is Emily Calabretta's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Emily Calabretta enrolled in Medicare?

Yes. Emily Calabretta is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Emily Calabretta was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.